IC42S16400A Datasheet, PDF (53/67 Pages) Integrated Circuit Solution Inc – 1M x 16Bit x 4 Banks (64-MBIT) SDRAM

IC42S16400A
Interleaved Column Write Cycle (1 of 2)
Burst Length=4, CAS Latency=2
CLK
CKE
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
CK2
CS
RAS
CAS
WE
*BS0
A10
Ra
Ra
ADD
Ra
Ca
Ra
Ca
Cb
Cc
Cb
Cb
DQM
Hi-Z
DQ
tRCD
tRRD
tRP tDPL
DAa0 DAa1 DAa2 DAa3 DBa0 DBa1 DBb0 DBb1 DBc0 DBc1 DAb0 DAb1 DBd0 DBd1 DBd2 DBd3
Activate
Command
Bank A
Write
Command
Bank A
Activate
Command
Bank B
Write
Command
Bank B
Write
Write
Write
Command ^Command Command
Bank B ^{Bank B} Bank A
Precharge
Command
Bank A
Write
Command
Bank B
Precharge
Command
Bank B
BS1=”L”, Bank C,D = Idle
Integrated Circuit Solution Inc.
53
DR039-0A 02/19/2004