AS4C256K16E0-30 ALSC [Alliance Semiconductor Corporation], AS4C256K16E0-30 Datasheet - Page 20

• Manufacturer Part Number: AS4C256K16E0-30
• Description: 5V 256Kx16 CMOS DRAM (EDO)
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

CAS-before-RAS refresh counter test cycle waveform
4/11/01; v.1.1
Address
UCAS,
LCAS
RAS
WE
WE
WE
I/O
OE
I/O
OE
OE
I/O
t
CSR
t
CHR
Alliance Semiconductor
t
CPT
t
RCS
t
CLZ
t
Col Address
t
AA
AA
®
t
t
t
WCS
RCS
t
DS
Data In
RAS
t
t
t
t
CLZ
WP
Data Out
t
CAC
CAH
t
t
t
DH
CAC
OEA
OEA
t
t
AWD
WCH
t
t
CWL
CWD
t
RWL
t
CAS
t
RAL
Data Out
t
t
OEZ
ROH
t
RSH
t
OED
Data In
t
DS
t
t
CWL
WP
t
DH
t
OFF
AS4C256K16E0
t
t
RRH
RCH
t
RP
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