STK17TA8-RF45I

STK17TA8-RF45I Datasheet

STK17TA8

Part	Datasheet
STK17TA8-RF45I	STK17TA8-RF45I (pdf)

Related Parts	Information
STK17TA8-RF25I	STK17TA8-RF25I
STK17TA8-RF25	STK17TA8-RF25
STK17TA8-RF45	STK17TA8-RF45
STK17TA8-RF25ITR	STK17TA8-RF25ITR
STK17TA8-RF25TR	STK17TA8-RF25TR
STK17TA8-RF45ITR	STK17TA8-RF45ITR
STK17TA8-RF45TR	STK17TA8-RF45TR

PDF Datasheet Preview
STK17TA8 128k X 8 AutoStore nvSRAM with Real Time Clock • nvSRAM Combined with Integrated Real Time Clock Functions The Cypress STK17TA8 combines a 1 Mb nonvolatile static RAM RTC, Watchdog Timer, Clock Alarm, Power Monitor nvSRAM with a full featured real time clock in a reliable, • Capacitor or Battery Backup for RTC monolithic integrated circuit. The 1 Mb nvSRAM is a fast static RAM with a nonvolatile • 25, 45 ns Read Access and Read/Write Cycle Time s • Unlimited Read/Write Endurance n • Automatic nonvolatile STORE on Power Loss ig • Nonvolatile STORE Under Hardware or Software Control s • Automatic RECALL to SRAM on Power Up e • Unlimited RECALL Cycles D • 200K STORE Cycles w • 20-Year nonvolatile Data Retention e • Single 3 V +20%, -10% Power Supply N • Commercial and Industrial Temperatures r • 48-pin 300-mil SSOP Package RoHS-Compliant Quantum Trap 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. fo Logic Block Diagram nded A5 m A13 o A14 cA16 eDQ0 RDQ1 t DQ2 o DQ3 N DQ4 ROW DECODER Quantum Trap 1024 X 1024 STATIC RAM ARRAY 1024 X 1024 STORE RECALL COLUMN I/O COLUMN DEC VCAP POWER CONTROL STORE/ RECALL CONTROL VRTCbat VRTCcap SOFTWARE DETECT A15 A0 INPUT BUFFERS A0 A1 A2 A3 A4 A10 A11 DQ6 DQ7 A16 A0 • San Jose, CA 95134-1709 • 408-943-2600 [+] Feedback STK17TA8 Contents Data 14 Noise Considerations 14 Logic Block Diagram Contents Pinouts Pin Descriptions Preventing AutoStore 14 Best Practices 14 Low Average Active Power RTC Operations Real Time Clock 15 RTC Register Map Detail Ordering Information STK17TA8-R F 45 ITR Ordering Codes Package Diagrams Document History Page Sales, Solutions, and Legal Information Worldwide Sales and Design Support.......................... 24 Products 24 Page 2 of 24 [+] Feedback STK17TA8 Pinouts Figure Pin Diagram - 48-PIn SSOP V CAP 48 V CC A16 2 A14 3 47 A15 46 HSB Relative PCB Area Usage[1] A12 4 44 A13 43 A8 42 A9 INT 8 A4 9 s NC 10 n NC 11 TOP ig NC 12 s NC 14 e V RTCbat DQ 0 16 D A3 17 A2 18 w A1 19 A0 20 e DQ1 21 DQ 2 22 N X1 23 r X2 24 41 NC 40 A11 39 NC 38 NC 37 NC 36 V SS 35 NC V RTCcap 33 DQ 6 31 A10 29 DQ 7 28 DQ 5 27 DQ 4 26 DQ 3 25 V CC fo Pin Descriptions d Pin Name de A16-A0 n DQ7-DQ0 e m W om G ec X1 R X2 t VRTCcap o VRTCbat N VCC Ordering Information STK17TA8-R F 45 ITR Packing Option Blank=Tube TR=Tape and Reel Temperature Range Blank=Commercial 0 to +70 C I= Industrial -45 to +85 C Access Time 25=25 ns 45=45 ns Lead Finish Designs F=100% Sn Matte Tin RoHS Compliant w Package e R=Plastic 48-pin 300 mil SSOP 25 mil pitch for N Ordering Codes d These parts are not recommended for new designs. e Ordering Code d STK17TA8-RF25 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 en STK17TA8-RF45 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 STK17TA8-RF25TR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 m STK17TA8-RF45TR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 m STK17TA8-RF25I 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 o STK17TA8-RF45I 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 c STK17TA8-RF25ITR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 Not Re STK17TA8-RF45ITR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 Access Times ns 25 45 25 45 25 45 25 45 Temperature Commercial Industrial Page 22 of 24 [+] Feedback Package Diagrams Figure 48-Pin SSOP 51-85061 STK17TA8 Designs Not Recommended for New 51-85061 C Page 23 of 24 [+] Feedback STK17TA8 Document History Page Document Title STK17TA8 128k X 8 AutoStore nvSRAM with Real Time Clock Document Number 001-52039 Orig. of Change Submission Date Description of Change * 2668660 GVCH/PYRS 03/04/2009 New Data Sheet *A 2814390 GVCH 11/25/2009 Added note in the Ordering Information section mentioning that these parts are not recommended for new designs. Added “Not recommended for new designs” watermark in the PDF.. s Sales, Solutions, and Legal Information n Worldwide Sales and Design Support ig Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office s closest to you, visit us at cypress.com/sales. De Products PSoC Clocks & Buffers ew Wireless Memories N Image Sensors psoc.cypress.com clocks.cypress.com wireless.cypress.com memory.cypress.com image.cypress.com ot Recommended for 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 are the trademarks of their respective holders. Page 24 of 24 [+] Feedback

PDF Datasheet Preview

STK17TA8
128k X 8 AutoStore nvSRAM with Real Time Clock
• nvSRAM Combined with Integrated Real Time Clock Functions The Cypress STK17TA8 combines a 1 Mb nonvolatile static RAM

RTC, Watchdog Timer, Clock Alarm, Power Monitor
nvSRAM with a full featured real time clock in a reliable,
• Capacitor or Battery Backup for RTC
monolithic integrated circuit.

The 1 Mb nvSRAM is a fast static RAM with a nonvolatile
• 25, 45 ns Read Access and Read/Write Cycle Time
s
• Unlimited Read/Write Endurance n
• Automatic nonvolatile STORE on Power Loss ig
• Nonvolatile STORE Under Hardware or Software Control s
• Automatic RECALL to SRAM on Power Up e
• Unlimited RECALL Cycles D
• 200K STORE Cycles w
• 20-Year nonvolatile Data Retention e
• Single 3 V +20%, -10% Power Supply N
• Commercial and Industrial Temperatures r
• 48-pin 300-mil SSOP Package RoHS-Compliant

Quantum Trap 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.
fo Logic Block Diagram nded A5
m A13 o A14
cA16 eDQ0 RDQ1 t DQ2 o DQ3 N DQ4

ROW DECODER

Quantum Trap 1024 X 1024

STATIC RAM ARRAY
1024 X 1024

STORE RECALL

COLUMN I/O COLUMN DEC

VCAP

POWER CONTROL

STORE/ RECALL CONTROL

VRTCbat VRTCcap

SOFTWARE DETECT

A15 A0

INPUT BUFFERS

A0 A1 A2 A3 A4 A10 A11

DQ6 DQ7

A16 A0
• San Jose, CA 95134-1709
• 408-943-2600
[+] Feedback

STK17TA8

Contents

Data 14

Noise Considerations 14

Logic Block Diagram Contents Pinouts Pin Descriptions

Preventing AutoStore 14 Best Practices 14 Low Average Active Power

RTC Operations Real Time Clock 15
RTC Register Map Detail Ordering Information STK17TA8-R F 45 ITR Ordering Codes Package Diagrams Document History Page Sales, Solutions, and Legal Information

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

Page 2 of 24 [+] Feedback

STK17TA8

Pinouts

Figure Pin Diagram - 48-PIn SSOP

V CAP
48 V CC

A16 2 A14 3
47 A15 46 HSB

Relative PCB Area Usage[1]

A12 4
44 A13
43 A8
42 A9

INT 8 A4 9
s NC 10 n NC 11 TOP
ig NC 12
s NC 14
e V RTCbat

DQ 0 16

D A3 17

A2 18
w A1 19

A0 20
e DQ1 21

DQ 2 22

N X1 23 r X2 24
41 NC
40 A11
39 NC
38 NC
37 NC
36 V SS 35 NC

V RTCcap
33 DQ 6
31 A10
29 DQ 7 28 DQ 5 27 DQ 4 26 DQ 3
25 V CC
fo Pin Descriptions
d Pin Name de A16-A0 n DQ7-DQ0 e m W om G ec X1 R X2 t VRTCcap o VRTCbat N VCC
Ordering Information STK17TA8-R F 45 ITR

Packing Option

Blank=Tube

TR=Tape and Reel Temperature Range Blank=Commercial 0 to +70 C I= Industrial -45 to +85 C Access Time
25=25 ns 45=45 ns Lead Finish

Designs

F=100% Sn Matte Tin RoHS Compliant
w Package e R=Plastic 48-pin 300 mil SSOP 25 mil pitch
for N Ordering Codes
d These parts are not recommended for new designs.
e Ordering Code
d STK17TA8-RF25 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 en STK17TA8-RF45 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300

STK17TA8-RF25TR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300
m STK17TA8-RF45TR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 m STK17TA8-RF25I 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 o STK17TA8-RF45I 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 c STK17TA8-RF25ITR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300 Not Re STK17TA8-RF45ITR 3V 128Kx8 AutoStore nvSRAM+RTC SSOP48-300

Access Times ns 25 45 25 45 25 45 25 45

Temperature

Commercial

Industrial

Page 22 of 24 [+] Feedback

Package Diagrams

Figure 48-Pin SSOP 51-85061

STK17TA8

Designs

Not Recommended for New
51-85061 *C

Page 23 of 24 [+] Feedback

STK17TA8

Document History Page

Document Title STK17TA8 128k X 8 AutoStore nvSRAM with Real Time Clock Document Number 001-52039

Orig. of Change

Submission Date

Description of Change
** 2668660 GVCH/PYRS 03/04/2009 New Data Sheet
*A 2814390

GVCH
11/25/2009 Added note in the Ordering Information section mentioning that these parts are
not recommended for new designs.

Added “Not recommended for new designs” watermark in the PDF..
s Sales, Solutions, and Legal Information n Worldwide Sales and Design Support ig Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office s closest to you, visit us at cypress.com/sales. De Products

PSoC Clocks & Buffers
ew Wireless

Memories

N Image Sensors
psoc.cypress.com clocks.cypress.com wireless.cypress.com memory.cypress.com image.cypress.com
ot Recommended for 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 are 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 STK17TA8-RF45I Datasheet file may be downloaded here without warranties.

Datasheet ID: STK17TA8-RF45I 508345