Contents
Logic Block Diagram1, 2
Features
PRELIMINARY CY14B101LA, CY14B101NA
Functional Description
44 - TSOP
Pinouts
Top View
not to scale
PRELIMINARY
CY14B101LA, CY14B101NA
48-SSOP
SRAM Read
Device Operation
SRAM Write
AutoStore Operation
Software STORE
Hardware RECALL Power Up
Software RECALL
Power
Data Protection
Preventing AutoStore
Noise Considerations
PRELIMINARY
Maximum Ratings
DC Electrical Characteristics
Operating Range
Ambient Temperature
Capacitance
Data Retention and Endurance
Thermal Resistance
AC Test Conditions
Switching Waveforms
AC Switching Characteristics
PRELIMINARY
CY14B101LA, CY14B101NA
Figure 7. SRAM Read Cycle #2 CE and OE Controlled 3
PRELIMINARY CY14B101LA, CY14B101NA
Figure 8. SRAM Write Cycle #1 WE Controlled 3, 18, 19
+ Feedback
Figure 9. SRAM Write Cycle #2 CE Controlled 3, 18, 19
PRELIMINARY CY14B101LA, CY14B101NA
Figure 10. SRAM Write Cycle #3 BHE and BLE Controlled 3, 18, 19
+ Feedback
Switching Waveforms
AutoStore/Power Up RECALL
PRELIMINARY
CY14B101LA, CY14B101NA
Switching Waveforms
Software Controlled STORE/RECALL Cycle
PRELIMINARY
CY14B101LA, CY14B101NA
Switching Waveforms
Hardware STORE Cycle
PRELIMINARY CY14B101LA, CY14B101NA
Write latch set
PRELIMINARY CY14B101LA, CY14B101NA
Truth Table For SRAM Operations
Ordering Information
PRELIMINARY
CY14B101LA, CY14B101NA
Ordering Information continued
PRELIMINARY
CY14B101LA, CY14B101NA
PRELIMINARY
CY14B101LA, CY14B101NA
Ordering Information continued
Part Numbering Nomenclature
PRELIMINARY CY14B101LA, CY14B101NA
CY 14 B 101L A-ZS 20 X C T
PRELIMINARY CY14B101LA, CY14B101NA
Package Diagrams
Figure 16. 44-Pin TSOP II
+ Feedback
PRELIMINARY CY14B101LA, CY14B101NA
Package Diagrams continued
Figure 17. 48-Ball FBGA - 6 mm x 10 mm x 1.2 mm
+ Feedback
PRELIMINARY CY14B101LA, CY14B101NA
Package Diagrams continued
Figure 18. 48-Pin SSOP
Page 22 of
PRELIMINARY CY14B101LA, CY14B101NA
Package Diagrams continued
Figure 19. 32-Pin SOIC
Page 23 of
PRELIMINARY CY14B101LA, CY14B101NA
Document History Page
Document Title CY14B101LA/CY14B101NA 1 Mbit 128K x 8/64K x 16 nvSRAM
Document Number
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