as4c256k16fo Alliance Memory, Inc, as4c256k16fo Datasheet - Page 21

• Manufacturer Part Number: as4c256k16fo
• Description: 5v 256k X 16 Cmos Dram Fast Page Mode
• Manufacturer: Alliance Memory, Inc

CAS before RAS refresh counter test waveform
4/11/01; V.0.9.1
UCAS, LCAS
Address
RAS
I/O
I/O
I/O
WE
WE
WE
OE
OE
OE
t
CSR
t
Alliance Semiconductor
CHR
t
CPT
t
t
CLZ
CAC
t
Col Address
AA
t
t
t
t
WCS
RAS
RCS
DS
Data In
t
®
RCS
t
WP
t
DH
t
t
t
t
CLZ
Data Out
WCH
AWD
t
CAH
t
t
AA
CAC
OEA
t
t
CWL
CWD
t
OEA
t
t
RWL
t
RAL
CAS
Data Out
t
RSH
t
t
ROH
OEZ
t
OED
Data In
t
DS
t
t
CWL
DH
t
OFF
AS4C256K16FO
t
WP
t
t
RRH
RCH
t
RP
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