emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 19

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

Figure 11: Register READ, Asynchronous Mode, Followed by READ ARRAY Operation
Note: A[19:18] = 00b to read RCR, 10b to read BCR, and 01b to read DIDR.
(except A[19:18])
A/DQ[15:0]
A[19:18]
LB#/UB#
A[21:16]
ADV#
WE#
CRE
OE#
CE#
1
t
CPH
Select register
t
AVS
t
t
AVS
t
VP
t
Initiate register access
AA
AA
t
t
AADV
CO
t
t
AVH
AVH
t
OLZ
t
OE
Valid CR
t
BA
19
t
t
t
BHZ
OHZ
HZ
t
CPH
4Mx16 CellularRAM AD-MUX
Don’t Care
Address
Address
Address
EMC643SP16AK
Undefined
Valid
data