IS42S16800D-7BI ISSI, Integrated Silicon Solution Inc, IS42S16800D-7BI Datasheet - Page 57

• 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 - WITHOUT AUTO PRECHARGE
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
3) t
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
07/28/08
DQM/DQML
COMMAND
X8: A11 = "Don't Care"
A0-A9, A11
RAS
BA0, BA1
DQMH
must not be violated.
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
AS
AS
AS
BANK
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
RCD
RAS
RC
IS42S16800D
t
CK
DISABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
DS
COLUMN m
WRITE
D
BANK
T2
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
DS
D
T4
NOP
IN
t
m+
DH
2
t
DS
D
T5
NOP
IN
t
m+
DH
t
3
DPL (3)
SINGLE BANK
ALL BANKS
PRECHARGE
BANK
T6
t
RP
T7
NOP
DON'T CARE
ACTIVE
T8
BANK
ROW
ROW
57