AS7C331FT18A ALSC [Alliance Semiconductor Corporation], AS7C331FT18A Datasheet - Page 12

• Manufacturer Part Number: AS7C331FT18A
• Description: 3.3V 1M x 18 Flow-through synchronous SRAM
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

Timing waveform of write cycle
Note: Ý = XOR when LBO = high/no connect; Ý = ADD when LBO = low.
CE0, CE2
1/21/05, v 1.4
Address
BW[a:b]
ADSC
ADSP
BWE
ADV
CLK
CE1
Din
OE
A1
Q(A1)
Read
t
t
ADSPS
t
AS
CSS
t
t
ADSPH
t
CH
AH
t
D(A1)
CSH
Suspend
D(A1)
Write
A2
t
t
CYC
CL
ADV SUSPENDS BURST
Alliance Semiconductor
Q(A2)
Read
D(A2)
Suspend
D(A 2 )
Write
D(A2Ý01)
D(A 2Ý01 )
Burst
Write
ADV
ADSC LOADS NEW ADDRESS
D(A2Ý01)
®
D(A 2Ý01 )
Suspend
Write
D(A2Ý10)
D(A 2Ý10 )
Burst
Write
ADV
D(A2Ý11)
D(A 2Ý11 )
Burst
Write
ADV
D(A3)
A3
D(A 3 )
Write
AS7C331MFT18A
D(A3Ý01)
D(A 3Ý01 )
Burst
Write
t
t
t
ADSCS
WS
ADVS
t
DS
t
t
D(A3Ý10)
t
WH
ADVH
ADSCH
t
DH
D(A 3Ý10 )
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Burst
Write
ADV