STK17T88-RF25TR

STK17T88-RF25TR Datasheet

STK17T88

Part	Datasheet
STK17T88-RF25TR	STK17T88-RF25TR (pdf)

Related Parts	Information
STK17T88-RF25	STK17T88-RF25
STK17T88-RF45	STK17T88-RF45
STK17T88-RF45I	STK17T88-RF45I
STK17T88-RF25I	STK17T88-RF25I
STK17T88-RF45ITR	STK17T88-RF45ITR
STK17T88-RF25ITR	STK17T88-RF25ITR
STK17T88-RF45TR	STK17T88-RF45TR

PDF Datasheet Preview
STK17T88 32K x 8 AutoStore nvSRAM with Real Time Clock • nvSRAM Combined With Integrated Real-Time Clock Functions RTC, Watchdog Timer, Clock Alarm, Power Monitor The Cypress STK17T88 combines a 256 Kb nonvolatile static RAM nvSRAM with a full-featured real-time clock in a reliable, monolithic integrated circuit. • Capacitor or Battery Backup for RTC The 256 Kb nvSRAM is a fast static RAM with a nonvolatile • 25, 45 ns Read Access and R/W Cycle Time s • Unlimited Read/Write Endurance ign • Automatic Nonvolatile STORE on Power Loss s • Nonvolatile STORE Under Hardware or Software Control e • Automatic RECALL to SRAM on Power Up D • Unlimited RECALL Cycles • 200K STORE Cycles ew • 20-Year Nonvolatile Data Retention N • Single 3V +20%, -10% Power Supply r • Commercial and Industrial Temperatures fo • 48-Pin 300-mil SSOP Package RoHS Compliant QuantumTrap storage element included with each memory cell. The SRAM provides the fast access and cycle times, ease of use and unlimited read and write endurance of a normal SRAM. Data transfers automatically to the nonvolatile storage cells when power loss is detected the STORE operation . On power up, data is automatically restored to the SRAM the RECALL operation . Both STORE and RECALL operations are also available under software control. The real time clock function provides an accurate clock with leap year tracking and a programmable, high accuracy oscillator. The Alarm function is programmable for one-time alarms or periodic minutes, hours, or days alarms. There is also a programmable watchdog timer for processor control. ed Logic Block Diagram end A5 m A6 m A8 o A9 c A12 e A13 t RDQ0 o DQ1 N DQ3 ROW DECODER Quantum Trap 512 X 512 STATIC RAM ARRAY 512 X 512 STORE RECALL COLUMN I/O COLUMN DEC VCAP POWER CONTROL STORE/ RECALL CONTROL VRTCbat VRTCcap SOFTWARE DETECT A13 A0 INPUT BUFFERS DQ5 DQ6 DQ7 A0 A1 A2 A3 A4 A10 A14 A0 • San Jose, CA 95134-1709 • 408-943-2600 [+] Feedback STK17T88 Contents Software 14 1 Logic Block 1 Contents 2 Pin Configurations 3 Flags Register 17 RTC Register 18 Commercial and Industrial Ordering 22 Ordering Codes 22 Package 23 Document History Page 24 Sales, Solutions, and Legal Information 24 Worldwide Sales and Design Support.......................... 24 Products 24 Page 2 of 24 [+] Feedback STK17T88 Pin Configurations Figure 48-Pin SSOP V CAP 48 V CC NC 2 A14 3 47 NC 46 HSB Relative PCB Area Usage[1] A12 4 44 A13 43 A8 42 A9 INT 8 A4 9 NC 10 NC 11 NC 12 NC 14 V RTCbat DQ 0 16 A3 17 A2 18 41 NC 40 A11 39 NC 38 NC 37 NC 36 V SS 35 NC V RTCcap 33 DQ 6 31 A10 Designs A1 19 A0 20 w DQ1 21 DQ 2 22 e X1 23 N X2 24 30 E 29 DQ 7 28 DQ 5 27 DQ 4 26 DQ 3 25 V CC for Pin Descriptions d Pin Name e A14-A0 nd DQ7-DQ0 e m W m G eco X1 t R VRTCcap o VRTCbat N VCC Commercial and Industrial Ordering Information STK17T88 - R F 45 I TR Packaging Option: TR = Tape and Reel Blank = Tube Temperature Range: C - Commercial 0 to 70°C I - Industrial -40 to 85°C ns Lead Finish ig F = 100% Sn Matte Tin RoHS Compliant Speed 25 - 25 ns 45 - 45 ns es Package D R = Plastic 48-pin 330 mil SSOP ew Ordering Codes N These parts are not recommended for new designs. r Ordering Code fo STK17T88-RF25 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 STK17T88-RF45 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 d STK17T88-RF25TR 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 e STK17T88-RF45TR 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 nd STK17T88-RF25I 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 e STK17T88-RF45I 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 STK17T88-RF25ITR 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 Not Recomm STK17T88-RF45ITR 3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300 Access Time ns Temperature Commercial Commercial Commercial Commercial Industrial Industrial Industrial Industrial Page 22 of 24 [+] Feedback Package Diagram Figure 48-Pin SSOP 51-85061 STK17T88 Designs Not Recommended for New 51-85061-*C Page 23 of 24 [+] Feedback STK17T88 Document History Page Document Title STK17T88 32K x 8 AutoStore nvSRAM with Real-Time Clock Document Number 001- 52040 ECN No. 11/25/2009 Added note in the Ordering Information section mentioning that these n parts are not recommended for new designs. ig Added “Not recommended for new designs” watermark in the PDF.. es Sales, Solutions, and Legal Information D Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office w closest to you, visit us at cypress.com/sales. e Products N PSoC r Clocks & Buffers fo Wireless d Memories e Image Sensors psoc.cypress.com clocks.cypress.com wireless.cypress.com memory.cypress.com image.cypress.com ot Recommend 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, N 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 24 of 24 [+] Feedback

PDF Datasheet Preview

STK17T88
32K x 8 AutoStore nvSRAM with Real Time Clock
• nvSRAM Combined With Integrated Real-Time Clock Functions RTC, Watchdog Timer, Clock Alarm, Power Monitor

The Cypress STK17T88 combines a 256 Kb nonvolatile static RAM nvSRAM with a full-featured real-time clock in a reliable, monolithic integrated circuit.
• Capacitor or Battery Backup for RTC

The 256 Kb nvSRAM is a fast static RAM with a nonvolatile
• 25, 45 ns Read Access and R/W Cycle Time
s
• Unlimited Read/Write Endurance ign
• Automatic Nonvolatile STORE on Power Loss s
• Nonvolatile STORE Under Hardware or Software Control e
• Automatic RECALL to SRAM on Power Up D
• Unlimited RECALL Cycles
• 200K STORE Cycles
ew
• 20-Year Nonvolatile Data Retention N
• Single 3V +20%, -10% Power Supply r
• Commercial and Industrial Temperatures fo
• 48-Pin 300-mil SSOP Package RoHS Compliant

QuantumTrap storage element included with each memory cell.

The SRAM provides the fast access and cycle times, ease of use and unlimited read and write endurance of a normal SRAM. Data transfers automatically to the nonvolatile storage cells when power loss is detected the STORE operation . On power up, data is automatically restored to the SRAM the RECALL operation . Both STORE and RECALL operations are also available under software control.

The real time clock function provides an accurate clock with leap year tracking and a programmable, high accuracy oscillator. The Alarm function is programmable for one-time alarms or periodic minutes, hours, or days alarms. There is also a programmable watchdog timer for processor control.
ed Logic Block Diagram
end A5 m A6
m A8 o A9
c A12 e A13
t RDQ0 o DQ1

N DQ3

ROW DECODER

Quantum Trap 512 X 512

STATIC RAM ARRAY
512 X 512

STORE RECALL

COLUMN I/O COLUMN DEC

VCAP

POWER CONTROL

STORE/ RECALL CONTROL

VRTCbat VRTCcap

SOFTWARE DETECT

A13 A0

INPUT BUFFERS

DQ5 DQ6 DQ7

A0 A1 A2 A3 A4 A10

A14 A0
• San Jose, CA 95134-1709
• 408-943-2600
[+] Feedback

STK17T88

Contents

Software 14
1 Logic Block 1 Contents 2 Pin Configurations 3
Flags Register 17 RTC Register 18 Commercial and Industrial Ordering 22 Ordering Codes 22 Package 23 Document History Page 24 Sales, Solutions, and Legal Information 24

Worldwide Sales and Design Support.......................... 24 Products 24

Page 2 of 24 [+] Feedback

STK17T88

Pin Configurations

Figure 48-Pin SSOP

V CAP
48 V CC

NC 2 A14 3
47 NC 46 HSB

Relative PCB Area Usage[1]

A12 4
44 A13
43 A8
42 A9

INT 8 A4 9

NC 10

NC 11

NC 12

NC 14

V RTCbat

DQ 0 16

A3 17 A2 18
41 NC
40 A11
39 NC
38 NC
37 NC
36 V SS 35 NC

V RTCcap
33 DQ 6
31 A10

Designs

A1 19 A0 20
w DQ1 21

DQ 2 22
e X1 23 N X2 24
30 E 29 DQ 7 28 DQ 5 27 DQ 4 26 DQ 3 25 V CC
for Pin Descriptions
d Pin Name e A14-A0 nd DQ7-DQ0 e m W m G eco X1
t R VRTCcap o VRTCbat N VCC
Commercial and Industrial Ordering Information

STK17T88 - R F 45 I TR

Packaging Option:

TR = Tape and Reel

Blank = Tube

Temperature Range:

C - Commercial 0 to 70°C

I - Industrial -40 to 85°C
ns Lead Finish ig F = 100% Sn Matte Tin RoHS Compliant

Speed 25 - 25 ns 45 - 45 ns
es Package D R = Plastic 48-pin 330 mil SSOP
ew Ordering Codes

N These parts are not recommended for new designs.
r Ordering Code
fo STK17T88-RF25
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300

STK17T88-RF45
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300
d STK17T88-RF25TR
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300
e STK17T88-RF45TR
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300
nd STK17T88-RF25I
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300
e STK17T88-RF45I
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300

STK17T88-RF25ITR
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300

Not Recomm STK17T88-RF45ITR
3.3V 32Kx8 AutoStore nvSRAM+RTC SSOP48-300

Access Time ns

Temperature

Commercial

Commercial

Commercial

Commercial

Industrial

Industrial

Industrial

Industrial

Page 22 of 24
[+] Feedback

Package Diagram

Figure 48-Pin SSOP 51-85061

STK17T88

Designs

Not Recommended for New
51-85061-*C

Page 23 of 24
[+] Feedback

STK17T88

Document History Page

Document Title STK17T88 32K x 8 AutoStore nvSRAM with Real-Time Clock Document Number 001- 52040

ECN No.
11/25/2009 Added note in the Ordering Information section mentioning that these
n parts are not recommended for new designs.
ig Added “Not recommended for new designs” watermark in the PDF..
es Sales, Solutions, and Legal Information

D Worldwide Sales and Design Support

Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office
w closest to you, visit us at cypress.com/sales.
e Products N PSoC r Clocks & Buffers fo Wireless d Memories e Image Sensors
psoc.cypress.com clocks.cypress.com wireless.cypress.com memory.cypress.com image.cypress.com
ot Recommend 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,

N 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 24 of 24
[+] 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 STK17T88-RF25TR Datasheet file may be downloaded here without warranties.

Datasheet ID: STK17T88-RF25TR 508344