Cypress CY7C1223H - Manual (Page 7)

CY7C1223H
Document #: 38-05674 Rev. *B Page 7 of 16
Truth Table for Read/Write [2, 3]
Function GW BWE BW
A
BW
B
Read H H X X
Read H L H H
Write byte A - (DQ
A
and DQP
A
) H L L H
Write byte B- (DQ
B
and DQP
B
) H L H L
Write all bytes H L L L
Write all bytes L X X X
ZZ Mode Electrical Characteristics
Parameter Description Test Conditions Min. Max. Unit
I
DDZZ
Sleep mode standby current ZZ > V
DD
− 0.2V
40 mA
t
ZZS
Device operation to ZZ ZZ > V
DD
− 0.2V
2t
CYC
ns
t
ZZREC
ZZ recovery time ZZ < 0.2V 2t
CYC
ns
t
ZZI
ZZ Active to sleep current This parameter is sampled 2t
CYC
ns
t
RZZI
ZZ inactive to exit sleep current This parameter is sampled 0 ns
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