HYB514171BJ-50- SIEMENS [Siemens Semiconductor Group], HYB514171BJ-50- Datasheet - Page 21

• Manufacturer Part Number: HYB514171BJ-50-
• Description: 256k x 16-Bit Dynamic RAM
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Hidden Refresh Cycle (Early Write)
Semiconductor Group
RAS
UCAS
LCAS
Address
WE
I/O
(Input)
I/O
(Output)
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IN
IL
OH
OL
t
ASR
Row
"H" or "L"
t
t
RAH
t
ASC
RAD
t
WCS
t
RCD
t
DS
Column
t
Valid Data
RAS
t
t
CAH
WP
t
t
RC
t
WCH
RSH
t
DH
21
t
t
RP
WRP
Hi Z
t
WRH
t
CHR
t
RAS
HYB 514171BJ-50/-60
t
RC
256k
t
CRP
t
t
ASR
RP
16 DRAM
1998-10-01
Row
SPT03054