AS7C252MPFD18A-133TQC ALSC [Alliance Semiconductor Corporation], AS7C252MPFD18A-133TQC Datasheet - Page 12

• Manufacturer Part Number: AS7C252MPFD18A-133TQC
• Description: 2.5V 2M x 18 pipelined burst synchronous SRAM
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

Timing waveform of read/write cycle (ADSP Controlled; ADSC High)
Note: Ý = XOR when LBO = high/no connect; Ý = ADD when LBO = low.
2/11/05,
CE0, CE2
Address
ADSP
GWE
Dout
ADV
CLK
Din
CE1
OE
v.1.1
t
ADSPS
DSEL
A1
Q(A1)
Read
t
ADSPH
t
LZC
t
CD
Suspend
Q(A1)
Read
t
AS
Alliance Semiconductor
t
CH
Q(A1)
A2
t
ADVS
Q(A2)
t
Read
AH
t
WS
t
DS
t
HZOE
D(A2)
t
t
t
CYC
CL
DH
Suspend
t
t
D(A 2 )
Write
WH
ADVH
®
A3
Q(A3)
Read
t
LZOE
Q(A 3Ý01 )
t
Burst
Read
ADV
OE
Q(A3)
Q(A 3Ý10 )
Burst
Read
ADV
Q(A3Ý01)
AS7C252MPFD18A
t
OH
Q(A 3Ý11 )
Burst
Read
ADV
Q(A3Ý10)
12 of 18
Q(A3Ý11)