emc646sp16ak Emlsi Inc., emc646sp16ak Datasheet - Page 47

• Manufacturer Part Number: emc646sp16ak
• Description: 4mx16 Bit Cellularram
• Manufacturer: Emlsi Inc.

Figure 36. LB#/UB#-Controlled Asynchronous WRITE
LB#/UB#
DQ[15:0]
DQ[15:0]
A[21:0]
ADV#
WAIT
WE#
OUT
OE#
CE#
IN
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
OH
OL
OH
OL
High-Z
High-Z
t
AS
t
WPH
t
t
LZ
CEW
t
WHZ
Valid Address
t
47
AW
t
t
BW
CW
t
t
WP
WC
t
DW
Valid Input
t
t
WR
HZ
t
DH
EMC646SP16AK
4Mx16 CellularRAM
High-Z
Don’t Care