STK17TA8-RF25ITR Cypress Semiconductor Corp, STK17TA8-RF25ITR Datasheet - Page 2

• Manufacturer Part Number: STK17TA8-RF25ITR
• Description: IC NVSRAM 1MBIT 25NS 48SSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of STK17TA8-RF25ITR

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 1M (128K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Contents
Features ................................................................................1
Description ...........................................................................1
Logic Block Diagram ...........................................................1
Contents ...............................................................................2
Pinouts .................................................................................3
Pin Descriptions ..................................................................3
Absolute Maximum Ratings ...............................................4
DC Electrical Characteristics .............................................4
AC Test Conditions .............................................................5
Capacitance .........................................................................5
RTC DC Characteristics ......................................................6
SRAM READ Cycles #1 and #2 ...........................................7
SRAM WRITE Cycles #1 and #2 .........................................8
AutoStore/Power Up Recall ................................................9
Software-Controlled STORE/RECALL Cycle ...................10
Hardware STORE Cycle ....................................................11
Soft Sequence Commands ...............................................11
MODE Selection .................................................................12
nvSRAM Operation ............................................................13
Document #: 001-52039 Rev. *A
Characteristics ................................................................ 4
RF (SSOP-48) Package Thermal
SRAM READ ................................................................ 13
SRAM WRITE .............................................................. 13
AutoStore Operation..................................................... 13
Hardware STORE (HSB) Operation............................. 13
Hardware RECALL (POWER UP)................................ 13
Software STORE...........................................................13
Software RECALL ........................................................ 14
RTC Operations .................................................................15
RTC Register ......................................................................18
Register Map Detail ...........................................................19
Ordering Information .........................................................22
STK17TA8-R F 45 ITR ........................................................22
Ordering Codes .................................................................22
Package Diagrams .............................................................23
Document History Page ....................................................24
Sales, Solutions, and Legal Information .........................24
Data Protection............................................................. 14
Noise Considerations ................................................... 14
Preventing AutoStore ................................................... 14
Best Practices .............................................................. 14
Low Average Active Power ...........................................14
Real Time Clock ........................................................... 15
Reading The Clock....................................................... 15
Setting The Clock ..........................................................15
Backup Power .............................................................. 15
Stopping And Starting The RTC Oscillator................... 15
Calibrating The Clock ................................................... 16
Alarm .............................................................................16
Watchdog Timer ........................................................... 16
Power Monitor .............................................................. 16
Interrupts ...................................................................... 17
Interrupt Register.......................................................... 17
Flags Register .............................................................. 17
Worldwide Sales and Design Support.......................... 24
Products ....................................................................... 24
STK17TA8
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