as7c33256pfs18a-166tqi Alliance Memory, Inc, as7c33256pfs18a-166tqi Datasheet - Page 7

• Manufacturer Part Number: as7c33256pfs18a-166tqi
• Description: 3.3v 256k 16/18 Pipeline Burst Synchronous Sram
• Manufacturer: Alliance Memory, Inc

Timing waveform of read cycle
Note: Ý = XOR when MODE = HIGH/No Connect; Ý = ADD when MODE = LOW.
BW[a:b] is don’t care.
GWE, BWE
3/14/01; V.1.0
CE0, CE2
(flow-through mode)
(pipelined mode)
Address
ADSP
D
D
ADSC
CLK
OUT
ADV
OUT
CE1
OE
t
LZOE
A1
t
t
t
ADSPS
AS
CSS
t
t
OE
t
t
CSH
ADSPH
AH
Q(A1)
t
t
WS
ADVS
t
t
WH
ADVH
Q(A1)
A2
t
ADSCS
t
ADSCH
t
HZOE
Alliance Semiconductor
Q(A2Ý01)
t
t
CH
Q(A2)
OH
Q(A2Ý01)
Q(A2Ý10)
t
CD
t
t
CYC
CL
ADV INSERTS WAIT STATES
Q(A2Ý10)
®
LOAD NEW ADDRESS
Q(A2Ý11)
A3
Q(A3)
Q(A2Ý11)
Q(A3Ý01)
Q(A3)
Q(A3Ý10)
AS7C33256PFS16A
AS7C33256PFS18A
Q(A3Ý01)
t
HZC
Q(A3Ý11)
Q(A3Ý10)
t
HZC
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