emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 40
emc643sp16ak
Manufacturer Part Number
emc643sp16ak
Description
4mx16 Bit Cellularram Ad-mux
Manufacturer
Emlsi Inc.
Datasheet
1.EMC643SP16AK.pdf
(52 pages)
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Figure 27: 4-Word Burst READ Operation - Fixed Latency
Notes :
1. Non-default BCR settings: Fixed latency; latency code two (three clocks); WAIT active LOW; WAIT asserted during delay.
2. WAIT will remain de-asserted even if CE# remains LOW past the end of the defined burst length.
3. A/DQ[15:0] will output undefined data if CE# remains LOW past the end of the defined burst length.
A/DQ[15:0]
UB#/LB#
A[21:16]
ADV#
WAIT
CE#
OE#
WE#
CLK
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
OH
OL
IH
IL
IH
IL
IH
IL
High-Z
Valid Address
READ Burst Identified
t
t
t
CSP
address
SP
SP
(WE# = HIGH)
t
t
SP
Valid
t
SP
SP
t
KHTL
t
HD
t
HD
t
AVH
t
AVH
t
t
CO
AADV
t
AA
t
V
V
OLZ
OH
OL
t
KHKL
t
BOE
40
t
ACLK
t
t
KOH
KHTL
t
CLK
t
Output
CEM
Valid
t
KOH
Output
Valid
t
KP
4Mx16 CellularRAM AD-MUX
Output
Valid
Don’t Care
EMC643SP16AK
t
Output
KP
Valid
t
t
HD
HD
t
OHZ
t
HZ
Undefined
t
CBPH
Note 2
Note 3
High-Z
High-Z
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