HYB514171BJ-50- SIEMENS [Siemens Semiconductor Group], HYB514171BJ-50- Datasheet - Page 20

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

Hidden Refresh Cycle (Read)
Semiconductor Group
RAS
UCAS
LCAS
Address
WE
OE
I/O
(Inputs)
I/O
(Outputs)
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
OH
OL
t
ASR
Row
"H" or "L"
t
RAH
t
t
t
t
RAD
ASC
RCS
DZC
t
RCD
t
t
RAC
DZO
t
t
Column
CLZ
RAS
t
AA
t
t
CAH
RC
t
CAC
t
t
OEA
RSH
20
t
RRH
t
WRP
t
RP
Valid Data OUT
t
WRH
t
CHR
t
RAS
HYB 514171BJ-50/-60
t
t
RC
OEZ
t
ODD
t
CDD
256k
t
OFF
t
CRP
t
t
ASR
RP
Hi Z
16 DRAM
1998-10-01
Row
SPT03053