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CY14B256L

Document Number: 001-06422 Rev. *I Page 12 of 19

AutoStore or Power Up RECALL

Parameter Alt Description

CY14B256L

Unit

Min Max

HRECALL

[12]

RESTORE

Power up RECALL Duration 20 ms

STORE

[13, 14]

HLHZ

STORE Cycle Duration 12.5 ms

SWITCH

Low Voltage Trigger Level 2.65 V

VCCRISE

Rise Time 150

Switching Waveforms

Figure 9. AutoStore/Power Up RECALL

SWITCH

STORE

HRECALL

AutoStore

POWER-UP RECALL

Read & Write Inhibited

STORE occurs only

if a SRAM write

has happened

No STORE occurs

without atleast one

SRAM write

VCCRISE

Note Read and Write cycles are ignored during STORE, RECALL, and while Vcc is below V

SWITCH

Notes

12.t

HRECALL

starts from the time V

rises above V

SWITCH

13.If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place.

14.Industrial grade devices requires 15 ms max.

Not Recommended for New Designs

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256 Kbit (32K x 8) nvSRAM 1
CY14B256L 10
HRECALL 12
Products 19

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