Cypress CY14B101LA Manual De Usuario

Descargar
Página de 25
PRELIMINARY
CY14B101LA, CY14B101NA
Document #: 001-42879  Rev. *B
Page 10 of 25
Note
21. CE or WE must be > V
IH
 during address transitions.
Figure 7.  SRAM Read Cycle #2: CE and OE Controlled 
 
Figure 8.  SRAM Write Cycle #1: WE Controlled 
 
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