IS42S16400E Datasheet, PDF (44/55 Pages) Integrated Silicon Solution, Inc – 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

IS42S16400E
ALTERNATING BANK READ ACCESSES
T0
CLK
T1
tCK
T2
T3
tCL tCH
tCKS tCKH
CKE
tCMS tCMH
COMMAND _ACTIVE
DQM/
DQML, DQMH
A0-A9, A11
A10
BA0, BA1
tAS tAH
ROW
tAS tAH
ROW
tAS tAH
BANK 0
NOP
READ
tCMS tCMH
NOP
COLUMN m⁽²⁾
ENABLE AUTO PRECHARGE
BANK 0
T4
ACTIVE
ROW
ROW
BANK 3
T5
T6
T7
NOP
READ
NOP
COLUMN b⁽²⁾
ENABLE AUTO PRECHARGE
BANK 3
T8
ACTIVE
ROW
ROW
BANK 0
tLZ
tOH
tOH
tOH
tOH
tOH
DQ
DOUT m
DOUT m+1
DOUT m+2
DOUT m+3
DOUT b
tAC
tAC
tAC
tAC
tAC
tAC
tRCD - BANK 0
CAS Latency - BANK 0
tRP - BANK 0
tRCD - BANK 0
tRRD
tRCD - BANK 3
CAS Latency - BANK 3
tRAS - BANK 0
tRC - BANK 0
DON'T CARE
Notes:
1. CASlatency = 2, burst length = 4
2. A8, A9, and A11 = "Don't Care"
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Rev.  C
08/07/09