IS42S16800E-7TL ISSI, Integrated Silicon Solution Inc, IS42S16800E-7TL Datasheet - Page 37

• Manufacturer Part Number: IS42S16800E-7TL
• Description: IC SDRAM 128MBIT 143MHZ 54TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800E-7TL

• Package / Case: 54-TSOP II
• Memory Size: 128M (8Mx16)
• Format - Memory: RAM
• Memory Type: SDRAM
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Data Bus Width: 8 bit
• Organization: 8 Mbit x 16
• Maximum Clock Frequency: 143 MHz
• Access Time: 7 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 120 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 130mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 706-1064; IS42S16800E-7TL

IS42S81600E, IS42S16800E
READ to PRECHARGE
Integrated Silicon Solution, Inc. — www.issi.com
Rev. D
03/16/2011
COMMAND
COMMAND
ADDRESS
ADDRESS
CLK
CLK
DQ
DQ
BANK a,
READ
T0
T0
READ
COL n
BANK,
COL n
CAS Latency - 2
CAS Latency - 3
T1
T1
NOP
NOP
T2
T2
NOP
NOP
D
OUT
n
T3
T3
NOP
NOP
D
D
OUT
OUT
n+1
n
PRECHARGE
PRECHARGE
(a or all)
T4
T4
BANK,
COL b
BANK
D
D
OUT
OUT
n+2
n+1
T5
T5
NOP
D
NOP
D
OUT
OUT
n+3
n+2
t
RQL
t
t
t
RP
RP
RQL
ACTIVE
BANK a,
T6
T6
NOP
D
ROW
OUT
High-Z
n+3
ACTIVE
DON'T CARE
DON'T CARE
BANK a,
T7
NOP
T7
ROW
High-Z
37