CY14E256L-D45I CYPRESS [Cypress Semiconductor], CY14E256L-D45I Datasheet - Page 11

• Manufacturer Part Number: CY14E256L-D45I
• Description: 256 Kbit (32K x 8) nvSRAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

AutoStore or Power Up RECALL
Switching Waveforms
Notes
Document Number: 001-06968 Rev. *G
t
t
t
V
V
t
t
15. t
16. CE and OE low and WE high for output behavior.
17. HSB is asserted low for 1us when V
HRECALL
STORE
DELAY
VCCRISE
VSBL
SWITCH
RESET
takes place.
HRECALL
Parameter
[13]
[16]
[16]
[15]
starts from the time V
WE
t
t
t
RESTORE
HLHZ
HLQZ ,
t
CC
BLQZ
Alt
rises above V
CAP
drops through V
Power up RECALL Duration
STORE Cycle Duration
Time Allowed to Complete SRAM Cycle
Low Voltage Trigger Level
Low Voltage Reset Level
V
Low Voltage Trigger (V
SWITCH
CC
Figure 11. AutoStore/Power Up RECALL
Rise Time
.
SWITCH
. If an SRAM WRITE has not taken place since the last nonvolatile cycle, HSB is released and no store
Description
SWITCH
) to HSB low
Min
150
4.0
1
CY14E256L
Max
550
300
4.5
3.6
10
CY14E256L
Page 11 of 18
Unit
ms
μs
μs
μs
ns
V
V
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