IS42S16800D-7T-TR ISSI, Integrated Silicon Solution Inc, IS42S16800D-7T-TR Datasheet - Page 40

• Manufacturer Part Number: IS42S16800D-7T-TR
• Description: IC SDRAM 128MBIT 143MHZ 54TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S16800D-7T-TR

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (8Mx16)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 54-TSOP II
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S81600D,
WRITE to READ
WP1 - WRITE to PRECHARGE
40
COMMAND
ADDRESS
DQM
CLK
DQ
COMMAND
ADDRESS
IS42S16800D
CLK
BANK a,
WRITE
DQ
D
T0
COL n
IN
n
WRITE
D
BANK,
COL n
IN
T0
n
D
T1
IN
NOP
n+1
t
DPL
D
NOP
IN
T1
n+1
D
T2
NOP
IN
n+2
READ
BANK,
COL b
T2
PRECHARGE
(a or all)
T3
BANK
CAS Latency - 2
Integrated Silicon Solution, Inc. — www.issi.com
NOP
T3
T4
NOP
t
RP
D
NOP
OUT
T4
b
ACTIVE
BANK a,
T5
ROW
DON'T CARE
D
OUT
NOP
T5
b+1
DON'T CARE
T6
NOP
07/28/08
Rev. E