emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 36

• Manufacturer Part Number: emc643sp16ak
• Description: 4mx16 Bit Cellularram Ad-mux
• Manufacturer: Emlsi Inc.

TIMING DIAGRAMS
Figure 22: Initialization Period
Table 17: Initialization Timing Parameters
Figure 23: Asynchronous READ
A/DQ[15:0]
Initialization period (required before normal operations)
LB#/UB#
A[21:16]
WAIT
ADV#
WE#
OE#
CE#
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OH
OL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
Parameter
Vcc, VccQ
High-Z
t
t
t
VP
CVS
t
AVS
AVS
Valid address
= 1.7V
Valid Address
t
AADV
t
AA
t
t
AVH
CO
t
AA
t
t
AVH
BA
t
OLZ
Symbol
t
V
V
OEW
t
t
PU
PU
OH
OL
36
t
OE
Device ready for
normal operation
Vcc
Min
(MIN)
Valid Output
t
HZ
4Mx16 CellularRAM AD-MUX
Don’t Care
Max
150
EMC643SP16AK
t
t
t
HZ
BHZ
OHZ
Undefined
High-Z
Unit
µ
s