MB81F643242C Datasheet, PDF (21/56 Pages) Fujitsu Component Limited. – 4 X 512 K X 32 BIT SYNCHRONOUS DYNAMIC RAM

MB81F643242C-60/-70/-10 Advanced Info (AE0.1E)
Fig. 2 – BASIC TIMING FOR CONVENTIONAL DRAM VS SYNCHRONOUS DRAM
<SDRAM>
Active
CLK
H
CKE
tSI
CS
H
tHI
Read/Write
Precharge
H
RAS
CAS
WE
Address
BA
DQ0
RA
to
DQ31
<Conventional DRAM>
RAS
H : Read
L : Write
BA
CA
CAS Latency = 2
Row Address Select
Burst Length = 4
Column Address Select
CAS
DQ0
to
DQ31
BA
AP (A10)
Precharge
21