Cypress CY14B104LA - Manual (Page 11)

PRELIMINARY
CY14B104LA, CY14B104NA
Document #: 001-49918 Rev. *A Page 11 of 23
Figure 7. SRAM Read Cycle #2: CE and OE Controlled [3, 13, 17]
Figure 8. SRAM Write Cycle #1: WE Controlled
[3, 16, 17, 18]
Address Valid Address
Data Output Output Data Valid
Standby
Active
High Impedance
CE
OE
BHE, BLE
I
CC
t
HZCE
t
RC
t
ACE
t
AA
t
LZCE
t
DOE
t
LZOE
t
DBE
t
LZBE
t
PU t
PD
t
HZBE
t
HZOE
Data Output
Data Input Input Data Valid
High Impedance
Address Valid Address
Previous Data
t
WC
t
SCE
t
HA
t
BW
t
AW
t
PWE
t
SA
t
SD
t
HD
t
HZWE
t
LZWE
WE
BHE, BLE
CE
Note
18. CE or WE must be >V
IH
during address transitions.
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