emc646sp16ak Emlsi Inc., emc646sp16ak Datasheet - Page 41

• Manufacturer Part Number: emc646sp16ak
• Description: 4mx16 Bit Cellularram
• Manufacturer: Emlsi Inc.

Figure 30: Single-Access Burst READ Operation - Fixed Latency
Note:
1. Non-default BCR settings: Fixed latency; latency code four (five clocks); WAIT active LOW; WAIT asserted during delay.
LB#/UB#
DQ[15:0]
A[21:0]
ADV#
WAIT
OE#
WE#
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
IH
IL
OH
OL
OH
OL
High-Z
High-Z
Valid Address
READ Burst Identified
t
SP
(WE# = HIGH)
t
CSP
t
SP
t
t
t
SP
SP
CEW
t
HD
t
HD
t
CLK
t
AVH
t
t
t
AADV
AA
CO
41
t
t
CEM
KP
t
OLZ
t
KHKL
t
BOE
t
t
ACLK
KHTL
Valid Output
t
t
HD
KP
Don’t Care
EMC646SP16AK
t
KOH
t
HD
4Mx16 CellularRAM
t
t
OHZ
HZ
High-Z
High-Z
Undefined