STK22C48-NF45ITR

STK22C48-NF45ITR Datasheet

STK22C48

Part	Datasheet
STK22C48-NF45ITR	STK22C48-NF45ITR (pdf)

Related Parts	Information
STK22C48-NF25I	STK22C48-NF25I
STK22C48-SF45I	STK22C48-SF45I
STK22C48-SF25	STK22C48-SF25
STK22C48-SF45	STK22C48-SF45
STK22C48-NF45I	STK22C48-NF45I
STK22C48-SF25I	STK22C48-SF25I
STK22C48-NF25	STK22C48-NF25
STK22C48-SF25TR	STK22C48-SF25TR
STK22C48-SF25ITR	STK22C48-SF25ITR
STK22C48-NF25ITR	STK22C48-NF25ITR
STK22C48-SF45ITR	STK22C48-SF45ITR
STK22C48-SF45TR	STK22C48-SF45TR
STK22C48-NF25TR	STK22C48-NF25TR
STK22C48-NF45TR	STK22C48-NF45TR
STK22C48-NF45	STK22C48-NF45

PDF Datasheet Preview
STK22C48 16-Kbit 2 K x 8 AutoStore nvSRAM 16-Kbit 2 K x 8 AutoStore nvSRAM Functional Description • 25 ns and 45 ns access times The Cypress STK22C48 is a fast static RAM with a nonvolatile • Hands off automatic STORE on power-down with external 68 µF capacitor element in each memory cell. The embedded nonvolatile elements incorporate QuantumTrap technology producing the world’s most reliable nonvolatile memory. The SRAM provides • STORE to QuantumTrap nonvolatile elements is initiated by software, hardware, or AutoStore on power-down • RECALL to SRAM initiated by software or power-up unlimited read and write cycles, while independent nonvolatile data resides in the highly reliable QuantumTrap cell. Data transfers from the SRAM to the nonvolatile elements the STORE operation takes place automatically at power-down. On • Unlimited read, write, and RECALL cycles nly • 1,000,000 STORE cycles to QuantumTrap s o • 100 year data retention to QuantumTrap ram • Single 5 V +10% operation rog • Commercial and industrial temperatures n p • 28-pin 300 mil and 330 mil Small outline integrated circuit tio SOIC package igns duc • Restriction of hazardous substances RoHS compliant power-up, data is restored to the SRAM the RECALL operation from the nonvolatile memory. A hardware STORE is initiated with the HSB pin. ROW DECODER w Desing pro Logic Block Diagram d for Noert ongo A5 de pp A6 en su A7 m to A8 com tion A9 Quantum Trap 32 X 512 STORE STATIC RAM ARRAY 32 X 512 RECALL VCAP POWER CONTROL STORE/ RECALL CONTROL NoItnRperoduc DQ0 COLUMN I/O INPUT BUFFERS DQ 1 DQ 2 COLUMN DEC A0 A1 A2 A3 A4 A10 CE WE • San Jose, CA 95134-1709 • 408-943-2600 [+] Feedback STK22C48 Contents Pin Configurations 3 AC Test Conditions 8 Device Operation 4 AC Switching Characteristics 9 SRAM Read 4 SRAM Read Cycle 9 SRAM Write 4 Ordering Information 13 Hardware 5 Ordering Code Definitions 13 Low Average Active 5 Package Diagrams 14 Preventing 6 ly. Best 6 n Maximum Ratings 7 s o Operating Range 7 m DC Electrical Characteristics 7 ra Data Retention and Endurance 7 og Capacitance 8 pr Thermal Resistance Document Conventions 15 Acronyms 15 Units of Measure 15 Document History Page 16 Sales, Solutions, and Legal Information 17 Worldwide Sales and Design Support 17 Products 17 PSoC Solutions 17 Page 2 of 17 [+] Feedback STK22C48 Pin Configurations Figure Pin Diagram - 28-pin SOIC V CAP 28-SOIC Top View Not To Scale nly DQ0 s o DQ1 am DQ2 gr VSS s. ction pro Table Pin Definitions ign odu Pin Name Alt IO Type es pr Input Address inputs. Used to select one of the 2,048 bytes of the nvSRAM. w D ing Input or output Bidirectional data IO lines. Used as input or output lines depending on operation. for Ne ongo WE Input Write enable input, active LOW. When the chip is enabled and WE is LOW, data on the IO pins is written to the specific address location. ed port CE end sup OE Input Chip enable input, active LOW. When LOW, selects the chip. When HIGH, deselects the chip. Output enable, active LOW. The active LOW OE input enables the data output buffers during read cycles. Deasserting OE HIGH causes the IO pins to tri-state. mm n to VSS co tio VCC Not Rperoduc HSB Ground for the device. The device is connected to ground of the system. Power supply Power supply inputs to the device. Input or output Hardware Store Busy HSB . When LOW, this output indicates a Hardware Store is in progress. When pulled low external to the chip, it initiates a nonvolatile STORE operation. A weak internal pull-up resistor keeps this pin high if not connected connection optional . In VCAP Ordering Code Definitions STK22C48 - N F 45 I TR Packaging Option TR = Tape and Reel Blank = Tube Lead Finish Temperature Range: Blank - Commercial 0 °C to 70 °C I - Industrial -40 °C to 85 °C Speed: 25 - 25 ns 45 - 45 ns F = 100% Sn Matte Tin nly. Package s o N = Plastic 28-pin 300 mil SOIC m S = Plastic 28-pin 330 mil SOIC igns. duction progra Ordering Information es pro These parts are not recommended for new designs. They are in production to support ongoing production programs only. w D ing Speed ns Ordering Code Package Diagram Package Type Operating Range Ne go 25 STK22C48-NF25ITR 51-85026 28-pin SOIC 300 mil Industrial for t on STK22C48-NF25I 51-85026 28-pin SOIC 300 mil ed por STK22C48-SF25ITR 51-85058 28-pin SOIC 330 mil nd up STK22C48-SF25I 51-85058 28-pin SOIC 330 mil me to s 45 STK22C48-NF45TR 51-85026 28-pin SOIC 300 mil Commercial m n STK22C48-NF45 51-85026 28-pin SOIC 300 mil NoItnRpercooductio All parts are Pb-free. The above table contains Final information. Please contact your local Cypress sales representative for availability of these parts Page 13 of 17 [+] Feedback Package Diagrams Figure 28-Pin 300 mil SOIC 51-85026 STK22C48 only. 51-85026-E 51-85026 F 51-85058 B 51-85058-A Page 14 of 17 [+] Feedback STK22C48 Document Conventions Acronyms Acronym CMOS EIA I/O nvSRAM RoHS SOIC Description Complementary metal oxide semiconductor Electronic Industries Alliance Input/output nonvolatile static random access memory Restriction of hazardous substances Small outline integrated circuit Units of Measure Added following text in the Ordering Information section “These parts are not recommended for new designs. In production to support ongoing production programs only.” Added watermark in PDF stating “Not recommended for new designs. In production to support ongoing production programs only.” Added Contents on page 3037216 GVCH 09/23/2010 Added Pin Configurations and Pin Definitions table. C D 3054310 3189527 s only. GVCH/KEER program GVCH 10/11/2010 03/07/2011 Updated Package Diagrams. Added Acronyms and units of Measure table. Minor edits. Removed inactive parts - STK22C48-NF25, STK22C48-NF25TR, STK22C48-SF25, STK22C48-SF25TR, STK22C48-SF45, STK22C48-SF45TR, STK22C48-NF45I, STK22C48-NF45ITR from Ordering information table. Updated Package diagrams. Added watermark in PDF stating “Not recommended for new designs. In production to support ongoing production programs only.” Page 16 of 17 [+] Feedback STK22C48 Sales, Solutions, and Legal Information Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at Cypress Locations. Products Automotive Clocks & Buffers Interface Lighting & Power Control Memory Optical & Image Sensing PSoC Touch Sensing USB Controllers Wireless/RF cypress.com/go/automotive PSoC Solutions cypress.com/go/clocks psoc.cypress.com/solutions cypress.com/go/interface PSoC 1 \| PSoC 3 \| PSoC 5 cypress.com/go/powerpsoc cypress.com/go/plc cypress.com/go/memory cypress.com/go/image cypress.com/go/psoc cypress.com/go/touch cypress.com/go/USB cypress.com/go/wireless programs only. Cypress Semiconductor Corporation, The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Any Source Code software and/or firmware is owned by Cypress Semiconductor Corporation Cypress and is protected by and subject to worldwide patent protection United States and foreign , United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress. Disclaimer CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Use may be limited by and subject to the applicable Cypress software license agreement. All products and company names mentioned in this document may be the trademarks of their respective holders. Page 17 of 17 [+] Feedback

PDF Datasheet Preview

STK22C48
16-Kbit 2 K x 8 AutoStore nvSRAM
16-Kbit 2 K x 8 AutoStore nvSRAM

Functional Description
• 25 ns and 45 ns access times

The Cypress STK22C48 is a fast static RAM with a nonvolatile
• Hands off automatic STORE on power-down with external 68 µF capacitor
element in each memory cell. The embedded nonvolatile elements incorporate QuantumTrap technology producing the world’s most reliable nonvolatile memory. The SRAM provides
• STORE to QuantumTrap nonvolatile elements is initiated by software, hardware, or AutoStore on power-down
• RECALL to SRAM initiated by software or power-up
unlimited read and write cycles, while independent nonvolatile data resides in the highly reliable QuantumTrap cell. Data transfers from the SRAM to the nonvolatile elements the STORE operation takes place automatically at power-down. On
• Unlimited read, write, and RECALL cycles nly
• 1,000,000 STORE cycles to QuantumTrap s o
• 100 year data retention to QuantumTrap ram
• Single 5 V +10% operation rog
• Commercial and industrial temperatures n p
• 28-pin 300 mil and 330 mil Small outline integrated circuit
tio SOIC package igns duc
• Restriction of hazardous substances RoHS compliant
power-up, data is restored to the SRAM the RECALL operation from the nonvolatile memory. A hardware STORE is initiated with the HSB pin.

ROW DECODER
w Desing pro Logic Block Diagram d for Noert ongo A5 de pp A6 en su A7 m to A8 com tion A9

Quantum Trap 32 X 512

STORE

STATIC RAM ARRAY 32 X 512

RECALL

VCAP

POWER CONTROL

STORE/ RECALL CONTROL

NoItnRperoduc DQ0

COLUMN I/O

INPUT BUFFERS

DQ 1 DQ 2

COLUMN DEC

A0 A1 A2 A3 A4 A10

CE WE
• San Jose, CA 95134-1709
• 408-943-2600
[+] Feedback

STK22C48

Contents

Pin Configurations 3

AC Test Conditions 8

Device Operation 4

AC Switching Characteristics 9

SRAM Read 4

SRAM Read Cycle 9

SRAM Write 4
Ordering Information 13

Hardware 5
Ordering Code Definitions 13

Low Average Active 5

Package Diagrams 14

Preventing 6
ly. Best 6 n Maximum Ratings 7 s o Operating Range 7 m DC Electrical Characteristics 7 ra Data Retention and Endurance 7 og Capacitance 8 pr Thermal Resistance

Document Conventions 15 Acronyms 15 Units of Measure 15

Document History Page 16 Sales, Solutions, and Legal Information 17

Worldwide Sales and Design Support 17 Products 17 PSoC Solutions 17

Page 2 of 17 [+] Feedback

STK22C48

Pin Configurations

Figure Pin Diagram - 28-pin SOIC

V CAP
28-SOIC

Top View

Not To Scale
nly DQ0
s o DQ1
am DQ2
gr VSS
s. ction pro Table Pin Definitions
ign odu Pin Name Alt

IO Type
es pr

Input

Address inputs. Used to select one of the 2,048 bytes of the nvSRAM.
w D ing

Input or output Bidirectional data IO lines. Used as input or output lines depending on operation.
for Ne ongo WE

Input

Write enable input, active LOW. When the chip is enabled and WE is LOW, data on the IO pins is written to the specific address location.
ed port CE
end sup OE

Input

Chip enable input, active LOW. When LOW, selects the chip. When HIGH, deselects the chip.

Output enable, active LOW. The active LOW OE input enables the data output buffers during read cycles. Deasserting OE HIGH causes the IO pins to tri-state.
mm n to VSS co tio VCC Not Rperoduc HSB

Ground for the device. The device is connected to ground of the system.

Power supply Power supply inputs to the device.

Input or output Hardware Store Busy HSB . When LOW, this output indicates a Hardware Store is in progress. When pulled low external to the chip, it initiates a nonvolatile STORE operation. A weak internal pull-up resistor keeps this pin high if not connected connection optional .

In VCAP
Ordering Code Definitions

STK22C48 - N F 45 I TR

Packaging Option TR = Tape and Reel Blank = Tube

Lead Finish

Temperature Range:

Blank - Commercial 0 °C to 70 °C

I - Industrial -40 °C to 85 °C

Speed:
25 - 25 ns
45 - 45 ns

F = 100% Sn Matte Tin
nly. Package s o N = Plastic 28-pin 300 mil SOIC m S = Plastic 28-pin 330 mil SOIC
igns. duction progra Ordering Information
es pro These parts are not recommended for new designs. They are in production to support ongoing production programs only.
w D ing Speed ns
Ordering Code

Package Diagram

Package Type

Operating Range

Ne go 25

STK22C48-NF25ITR
51-85026
28-pin SOIC 300 mil

Industrial
for t on STK22C48-NF25I
51-85026
28-pin SOIC 300 mil
ed por STK22C48-SF25ITR
51-85058
28-pin SOIC 330 mil
nd up STK22C48-SF25I
51-85058
28-pin SOIC 330 mil
me to s 45

STK22C48-NF45TR
51-85026
28-pin SOIC 300 mil

Commercial
m n STK22C48-NF45
51-85026
28-pin SOIC 300 mil

NoItnRpercooductio All parts are Pb-free. The above table contains Final information. Please contact your local Cypress sales representative for availability of these parts

Page 13 of 17 [+] Feedback

Package Diagrams

Figure 28-Pin 300 mil SOIC 51-85026

STK22C48
only.
51-85026-*E 51-85026 *F
51-85058 *B 51-85058-*A

Page 14 of 17 [+] Feedback

STK22C48

Document Conventions

Acronyms

Acronym CMOS EIA I/O nvSRAM RoHS SOIC

Description Complementary metal oxide semiconductor Electronic Industries Alliance Input/output nonvolatile static random access memory Restriction of hazardous substances Small outline integrated circuit

Units of Measure
Added following text in the Ordering Information section “These parts are not recommended for new designs. In production to support ongoing production programs only.” Added watermark in PDF stating “Not recommended for new designs. In production to support ongoing production programs only.” Added Contents on page
3037216

GVCH
09/23/2010 Added Pin Configurations and Pin Definitions table.
*C *D
3054310 3189527
s only. GVCH/KEER program GVCH
10/11/2010 03/07/2011

Updated Package Diagrams. Added Acronyms and units of Measure table. Minor edits.
Removed inactive parts - STK22C48-NF25, STK22C48-NF25TR, STK22C48-SF25, STK22C48-SF25TR, STK22C48-SF45, STK22C48-SF45TR, STK22C48-NF45I, STK22C48-NF45ITR from Ordering information table. Updated Package diagrams.

Added watermark in PDF stating “Not recommended for new designs. In production to support ongoing production programs only.”

Page 16 of 17 [+] Feedback

STK22C48

Sales, Solutions, and Legal Information

Worldwide Sales and Design Support

Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at Cypress Locations.

Products Automotive Clocks & Buffers Interface Lighting & Power Control

Memory Optical & Image Sensing PSoC Touch Sensing USB Controllers Wireless/RF
cypress.com/go/automotive

PSoC Solutions
cypress.com/go/clocks
psoc.cypress.com/solutions
cypress.com/go/interface

PSoC 1 | PSoC 3 | PSoC 5
cypress.com/go/powerpsoc
cypress.com/go/plc
cypress.com/go/memory
cypress.com/go/image cypress.com/go/psoc cypress.com/go/touch cypress.com/go/USB
cypress.com/go/wireless
programs
only.

Cypress Semiconductor Corporation, The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Any Source Code software and/or firmware is owned by Cypress Semiconductor Corporation Cypress and is protected by and subject to worldwide patent protection United States and foreign , United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress.

Disclaimer CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.

Use may be limited by and subject to the applicable Cypress software license agreement.

All products and company names mentioned in this document may be the trademarks of their respective holders.

Page 17 of 17
[+] Feedback

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived STK22C48-NF45ITR Datasheet file may be downloaded here without warranties.

Datasheet ID: STK22C48-NF45ITR 508346