as7c251mft18a ETC-unknow, as7c251mft18a Datasheet - Page 15

• Manufacturer Part Number: as7c251mft18a
• Description: 2.5v 1m X 18 Flowthrough Burst Synchronous Sram
• Manufacturer: ETC-unknow

Timing waveform of power down cycle
W[a:b] is don’t care.
ADDRESS
12/24/04, v. 1.2
CE0,CE2
BW[a:b]
ADSC
ADSP
BWE
I
ADV
supply
CE1
Dout
CLK
OE
Din
ZZ
t
ADSPS
t
CSS
A1
t
LZOE
READ
Q(A1)
t
t
t
CSH
ADSPS
OE
Q(A1)
Q(A1Ý01)
ZZ Setup Cycle
READ
t
t
PDS
ZZI
t
HZC
Alliance Semiconductor
Sleep
State
ZZ Recovery Cycle
t
RZZI
I
SB2
t
PUS
®
t
CH
Normal Operation Mode
t
t
CYC
CL
t
HZOE
AS7C251MFT18A
A2
READ
Q(A2)
t
WS
Q(A2)
Q(A2Ý01)
READ
t
WH
15 of 19
Q(A2(Ý01))