emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 42

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

Figure 29: Burst READ Row Boundary Crossing
Note:
1. Nondefault BCR settings for burst READ at end of row : fixed or variable latency, WAIT active LOW, WAIT asserted during delay. (shown as
2. WAIT will be assert for LC cycles for variables latency, or LC cycles for fixed latency.
solid line)
A/DQ[15:0]
UB#/LB#
A[21:16]
ADV#
WAIT
WE#
OE#
CLK
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
OH
OL
OH
IH
IL
OL
t
Valid output
CLK
t
SP
t
HD
t
t
KOH
KTHL
Valid output
End of row
Note 2
42
t
KTHL
4Mx16 CellularRAM AD-MUX
t
KOH
Valid output
EMC643SP16AK
Don’t Care
Valid output
Undefined