emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 46
emc643sp16ak
Manufacturer Part Number
emc643sp16ak
Description
4mx16 Bit Cellularram Ad-mux
Manufacturer
Emlsi Inc.
Datasheet
1.EMC643SP16AK.pdf
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Figure 33: Burst WRITE Terminate at End-of-Row (Wrap Off)
Note:
1. Nondefault BCR settings for burst WRITE at end of row: fixed or variable latency, WAIT active LOW, WAIT asserted during delay.
2. For burst WRITEs, CE# must go HIGH before the second CLK after the WAIT period begins(before the second CLK after WAIT asserts with
(shown as solid line)
BCR[8]=0, or before the third CLK after WAIT asserts with BCR[8]=1).
A/DQ[15:0]
UB#/LB#
A[21:16]
ADV#
WAIT
WE#
CLK
OE#
CE#
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
IH
IL
OH
OL
t
CLK
t
SP
Input
Valid
t
End of row
HD
t
t
KOH
KHTL
t
HD
Input
Valid
t
HZ
Note 2
46
t
t
HZ
CSP
4Mx16 CellularRAM AD-MUX
EMC643SP16AK
Don’t Care
High-Z
Undefined
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