Specifications

CY14B256K
Document Number: 001-06431 Rev. *G Page 20 of 24
Figure 9. AutoStore/Power Up RECALL
Figure 10. CE
Controlled Software STORE/RECALL Cycle
[19]
Switching Waveforms (continued)
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
t
RC
t
RC
t
SA
t
SCE
t
GLAX
t
STORE
/ t
RECALL
DATA VALID
DATA VALID
ADDRESS # 1 ADDRESS # 6
HIGH IMPEDANCE
ADDRESS
CE
OE
DQ (DATA)
a
a
a
a
a
a
a
a
a
a
a
a
a
a
t
GHAX
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