AS4C256K16E0-30 ALSC [Alliance Semiconductor Corporation], AS4C256K16E0-30 Datasheet - Page 19

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

Hidden refresh cycle (read) waveform
Hidden refresh cycle (write) waveform
4/11/01; v.1.1
Address
Address
UCAS,
LCAS
RAS
RAS
CAS
WE
I/O
OE
WE
OE
I/O
t
ASR
t
CRP
t
ASR
Row
t
RAH
t
Row Address
CRP
t
RAD
t
RAH
t
RCD
t
RAC
t
RCS
t
RAD
t
WCS
t
t
t
t
RCD
AA
ASC
RAS
t
AR
t
Col Address
DS
t
t
t
ASC
WCR
t
AR
DHR
Data In
Col Address
t
t
CAC
CLZ
t
t
RC
t
t
WP
t
OEA
Alliance Semiconductor
RSH
RAS
t
t
t
RWL
DH
RAL
t
t
t
RC
CAH
RSH
t
WCH
Data Out
t
RRH
t
PR
®
t
RP
t
CHR
t
RAS
t
OEZ
t
OFF
t
RC
t
CRP
AS4C256K16E0
t
PR
19 of 24