Cypress CY14B101L Manual De Usuario

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CY14B101L
Document Number: 001-06400 Rev. *I
Page 11 of 18
AutoStore or Power Up RECALL
Parameter
Alt
Description
CY14B101L
Unit
Min
Max
t
HRECALL 
[13]
t
RESTORE 
Power up RECALL Duration
20
ms
t
STORE 
t
HLHZ 
STORE Cycle Duration
12.5
ms
V
SWITCH
Low Voltage Trigger Level
2.65
V
t
VCCRISE
V
CC
 Rise Time
150
μs
Switching Waveforms
Figure 9.  AutoStore/Power Up RECALL
V
CC
V
SWITCH
t
STORE
t
STORE
t
HRECALL
t
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
t
VCCRISE
Note Read and Write cycles are ignored during STORE, RECALL, and while Vcc is below V
SWITCH
Notes
13. t
HRECALL 
starts from the time V
CC
 rises above V
SWITCH
.
14. If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place.
15. Industrial Grade devices requires 15 ms max.