Cypress Semiconductor CY14B101K Especificaciones descargar pdf (Pagina 2)

CY14B101K

Document Number: 001-06401 Rev. *J Page 2 of 29

Contents

Features ..............................................................................1

Functional Description .......................................................1

Logic Block Diagram ..........................................................1

Contents ..............................................................................2

Pin Configurations ............................................................. 3

Device Operation ................................................................4

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

Real Time Clock Operation ................................................8

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

Interrupts ..................................................................... 10

Interrupt Register ........................................................ 10

Flags Register .............................................................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

Worldwide Sales and Design Support .........................29

Products ...................................................................... 29

Not Recommended for New Designs

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