CY14B101K-SP25XI Cypress Semiconductor Corp, CY14B101K-SP25XI Datasheet - Page 2

• Manufacturer Part Number: CY14B101K-SP25XI
• Description: IC NVSRAM 1MB W/RTC 48-SSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY14B101K-SP25XI

• 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: Lead free / RoHS Compliant

Contents
Features .............................................................................. 1
Functional Description ....................................................... 1
Logic Block Diagram .......................................................... 1
Contents .............................................................................. 2
Pin Configurations ............................................................. 3
Device Operation ................................................................ 4
Real Time Clock Operation ................................................ 8
Document Number: 001-06401 Rev. *J
SRAM READ ................................................................. 4
SRAM WRITE ............................................................... 4
AutoStore® Operation ................................................... 4
Hardware STORE (HSB) Operation .............................. 4
Hardware RECALL (Power Up) ..................................... 5
Software STORE ........................................................... 5
Software RECALL ......................................................... 5
Data Protection ............................................................. 5
Noise Considerations .................................................... 5
Low Average Active Power ........................................... 6
Best Practices ............................................................... 6
nvTIME Operation ......................................................... 8
Clock Operations ........................................................... 8
Reading the Clock ......................................................... 8
Setting the Clock ........................................................... 8
Backup Power ............................................................... 8
Stopping and Starting the Oscillator .............................. 8
Calibrating the Clock ..................................................... 9
Alarm ............................................................................. 9
Watchdog Timer ............................................................ 9
Power Monitor ............................................................. 10
Maximum Ratings ............................................................. 16
Operating Range .............................................................. 16
DC Electrical Characteristics .......................................... 16
Data Retention and Endurance ....................................... 17
Capacitance ...................................................................... 17
Thermal Resistance ......................................................... 17
AC Test Conditions .......................................................... 17
AC Switching Characteristics ......................................... 18
AC Switching Characteristics (continued) ..................... 19
AutoStore or Power Up RECALL .................................... 20
Software Controlled STORE/RECALL Cycles ................ 21
Hardware STORE Cycle ................................................... 22
Soft Sequence Commands .............................................. 22
RTC Characteristics ......................................................... 23
Truth Table For SRAM Operations ................................. 23
Part Numbering Nomenclature ....................................... 24
Ordering Information ....................................................... 25
Package Diagrams ........................................................... 26
Document History Page ................................................... 27
Sales, Solutions, and Legal Information ........................ 29
Interrupts ..................................................................... 10
Interrupt Register ........................................................ 10
Flags Register ............................................................. 10
Worldwide Sales and Design Support ......................... 29
Products ...................................................................... 29
CY14B101K
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