HYB514256B Datasheet, PDF (18/22 Pages) Siemens Semiconductor Group – 256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM

V
RAS
IH
VIL
V
IH
CAS
VIL
V
IH
A0-A8
VIL
V
I/O1-I/O4 ^OH
(Outputs) _VOL
tRAH
tASR
Row
Address
“H” or “L”
RAS-Only Refresh Cycle
HYB 514256B/BL/BJ/BJL-50/-60/-70
256 K × 4-DRAM
tRC
tRAS
tRP
tRPC
tCRP
tASR
Row
Address
HI-Z
Semiconductor Group
72