CY14B104LA, CY14B104NA

Document #: 001-49918 Rev. *I

Page 2 of 25

Contents

Pinouts .............................................................................. 3

Pin Definitions .................................................................. 4

Device Operation .............................................................. 5

SRAM Read ....................................................................... 5

SRAM Write ....................................................................... 5

AutoStore Operation ........................................................ 5

Hardware STORE Operation ............................................ 5

Hardware RECALL (Power-Up) ....................................... 6

Software STORE ............................................................... 6

Software RECALL ............................................................. 6

Preventing AutoStore ....................................................... 7

Data Protection ................................................................. 7

Noise Considerations ....................................................... 7

Best Practices ................................................................... 8

Maximum Ratings ............................................................. 9

Operating Range ............................................................... 9

DC Electrical Characteristics .......................................... 9

Data Retention and Endurance ..................................... 10

Capacitance .................................................................... 10

Thermal Resistance ........................................................ 10

AC Test Loads ................................................................ 10

AC Test Conditions ........................................................ 10

AC Switching Characteristics ....................................... 11

Switching Waveforms .................................................... 11

AutoStore/Power-Up RECALL ....................................... 14

Switching Waveforms .................................................... 14

Software Controlled STORE/RECALL Cycle ................ 15

Switching Waveforms .................................................... 15

Hardware STORE Cycle ................................................. 16

Switching Waveforms .................................................... 16

Truth Table For SRAM Operations ................................ 17

Ordering Information ...................................................... 18

Ordering Code Definitions ......................................... 19

Package Diagrams .......................................................... 20

Acronyms ........................................................................ 23

Document Conventions ............................................. 23

Units of Measure ....................................................... 23

Document History Page ................................................. 24

Sales, Solutions, and Legal Information ...................... 25

Worldwide Sales and Design Support ....................... 25

Products .................................................................... 25

PSoC Solutions ......................................................... 25

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