IS42S16800D-7BI ISSI, Integrated Silicon Solution Inc, IS42S16800D-7BI Datasheet - Page 22

• Manufacturer Part Number: IS42S16800D-7BI
• Description: IC SDRAM 128MBIT 143MHZ 54BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800D-7BI

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (8Mx16)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 54-BGA
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 130mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S81600D,
AUTO-REFRESH CYCLE
22
Notes:
1. CAS latency = 2, 3
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
SINGLE BANK
t
ALL BANKS
t
PRECHARGE
CKS
CMS
t
High-Z
AS
BANK
T0
IS42S16800D
t
t
CKH
t
CMH
AH
(s)
t
CK
NOP
t
T1
RP
t
CL
Refresh
T2
Auto
t
CH
NOP
t
RC
Integrated Silicon Solution, Inc. — www.issi.com
Tn+1
Refresh
Auto
NOP
t
RC
ACTIVE
BANK
ROW
ROW
To+1
DON'T CARE
07/28/08
Rev. E