WCFS4016V1C Datasheet, PDF (7/9 Pages) Weida Semiconductor, Inc. – 256K x 16 Static RAM

WCFS4016V1C
Switching Waveforms (continued)
Write Cycle No.3 (WE Controlled, OE LOW)
t_WC
ADDRESS
CE
t_SCE
t_AW
t_SA
t_HA
t_PWE
WE
t_BW
BHE, BLE
DATA I/O
t_HZWE
t_SD
t_HD
t_LZWE
Truth Table
CE OE WE
H XX
L LH
L LH
L LH
L XL
L XL
L XL
L HH
BLE
X
L
L
H
L
L
H
X
BHE
X
L
H
L
L
H
L
X
I/O₀–I/O₇
High Z
Data Out
Data Out
High Z
Data In
Data In
High Z
High Z
I/O₈–I/O₁₅
High Z
Data Out
High Z
Data Out
Data In
High Z
Data In
High Z
Mode
Power Down
Read All Bits
Read Lower Bits Only
Read Upper Bits Only
Write All Bits
Write Lower Bits Only
Write Upper Bits Only
Selected, Outputs Disabled
Ordering Information
Speed
(ns)
12
Ordering Code
WCFS4016V1C-JC12
WCFS4016V1C-TC12
Package
Name
J
T
Package Type
44-Lead (400-Mil) Molded SOJ
44-Pin TSOP II
Power
Standby (I_SB)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Active (I_CC)
Operating
Range
Commercial
7