emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 39

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

Figure 26: Single-Access Burst READ Operation - Fixed Latency
1. Non-default BCR settings: Fixed latency; latency code four (five clocks); WAIT active LOW; WAIT asserted during delay.
A/DQ[15:0]
UB#/LB#
A[21:16]
WAIT
ADV#
WE#
CE#
OE#
CLK
V
V
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
IH
IL
High-Z
READ Burst Identified
Valid Address
Valid Address
t
t
SP
CSP
t
(WE# = HIGH)
t
KHTL
t
SP
t
SP
t
SP
SP
t
HD
t
t
HD
HD
t
AVH
t
t
AVH
CLK
t
AADV
t
t
AA
CO
39
t
t
CEM
KP
V
V
OH
OL
t
KHKL
t
OLZ
t
BOE
t
t
ACLK
KHTL
t
KOH
4Mx16 CellularRAM AD-MUX
Valid Output
t
t
HD
KP
Don’t Care
EMC643SP16AK
t
t
HD
KOH
t
t
OHZ
HZ
High-Z
High-Z
Undefined