22
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. 00D
06/02/08
IS42S32200E
DON'T CARE
CLK
DQM
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4
READ
NOP NOP NOP WRITE
DOUT n
DIN b
BANK,
COL n
BANK,
COL b
tDS
tHZ
CAS Lantency 3
DON'T CARE
CLK
DQM
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5
READ
NOP NOP NOP NOP WRITE
BANK,
COL n
BANK,
COL b
D
OUT
n
D
IN
b
t
DS
t
HZ
CAS Lantency 3
RW1 - READ to WRITE
RW2 - READ to WRITE With Extra Clock Cycle
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
23
Rev. 00D
06/02/08
IS42S32200E
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5 T6 T7
READ
NOP NOP NOP NOP NOP ACTIVE
DOUT n
DOUT n+1
DOUT n+2
DOUT n+3
BANK a,
COL n
BANK a,
ROW
BANK
(a or all)
CAS Latency - 2
x = 1 cycle
t
RP
PRECHARGE
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5 T6 T7
READ
NOP NOP NOP NOP NOP ACTIVE
DOUT n
DOUT n+1
DOUT n+2
DOUT n+3
BANK,
COL n
BANK,
COL b
CAS Latency - 3
x = 2 cycles
t
RP
BANK a,
ROW
PRECHARGE
READ to PRECHARGE
24
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. 00D
06/02/08
IS42S32200E
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5 T6
READ
NOP NOP NOP NOP NOP
D
OUT
n
D
OUT
n+1
D
OUT
n+2
D
OUT
n+3
BANK a,
COL n
CAS Latency - 2
x = 1 cycle
BURST
TERMINATE
DON'T CARE
CLK
COMMAND
ADDRESS
DQ
T0 T1 T2 T3 T4 T5 T6 T7
READ
NOP NOP NOP NOP NOP NOP
DOUT n
DOUT n+1
DOUT n+2
DOUT n+3
BANK,
COL n
CAS Latency - 3
x = 2 cycles
BURST
TERMINATE
READ Burst Termination

IS42S32200E-6BLI-TR

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Manufacturer:
Description:
DRAM 64M 2Mx32 166Mhz SDRAM, 3.3v
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