HYB5117400BJ-50- SIEMENS [Siemens Semiconductor Group], HYB5117400BJ-50- Datasheet - Page 23

• Manufacturer Part Number: HYB5117400BJ-50-
• Description: 4M x 4-Bit Dynamic RAM
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

CAS-Before-RAS Refresh Counter Test Cycle
Semiconductor Group
Write Cycle:
Read Cycle:
I/O
(Outputs)
RAS
WE
Address
I/O
(Outputs)
OE
I/O
(Inputs)
WE
I/O
(Inputs)
CAS
OE
V
V OL
V IL
V IL
V OH
V IL
V IL
V
V IH
V IL
V IL
V IL
V IH
V
V
V IL
V IH
V
V IH
V IH
V IL
IL
V
IH
IH
IH
IH
IH
t
t
WRP
t
WRP
CSR
t
WRH
t
WRH
t
CHR
HI-Z
t
23
DZC
t
t
CP
t
t
WCS
RCS
t
ASC
DS
t
DZO
Column
Data In
t
t
t
t
CAH
RAS
CLZ
AA
HYB 5117400BJ/BT-50/-60/-70
t
CAC
t
DH
t
WCH
t
OEA
t
t
CWL
RWL
t
t
CAS
RAL
t
RSH
Data Out
t
t
OEZ
ODD
4M x 4-DRAM
t
OFF
t
t
CDD
RP
t
RRH
t
ASR
t
Row
RCH