IS42S16800D-7BI ISSI, Integrated Silicon Solution Inc, IS42S16800D-7BI Datasheet - Page 43

• 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,
WRITE - DQM OPERATION
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
07/28/08
X8: A11 = "Don't Care"
DQM/DQML
COMMAND
A0-A9, A11
BA0, BA1
DQMH
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
IS42S16800D
CKH
t
t
t
CMH
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
CL
t
COLUMN m
DS
WRITE
D
BANK
IN
T2
t
m
CMH
t
t
DH
CH
(2)
NOP
T3
t
D
DS
NOP
IN
T4
m+
t
DH
2
t
D
DS
NOP
IN
T5
m+
t
DH
3
NOP
T6
DON'T CARE
NOP
T7
43