IS42S83200B-7TI ISSI, Integrated Silicon Solution Inc, IS42S83200B-7TI Datasheet - Page 43

• Manufacturer Part Number: IS42S83200B-7TI
• Description: IC SDRAM 256MBIT 143MHZ 54TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S83200B-7TI

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (32M x 8)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 54-TSOP II
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S83200B,
WRITE - DQM OPERATION
Notes:
1) Burst Length = 4
2) x16: A9, A11, and A12 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com
Rev. D
07/28/08
x8: A11 and A12 = "Don't Care"
A0-A9, A11, A12
DQM/DQML
COMMAND
BA0, BA1
DQMH
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
IS42S16160B
ROW
ROW
T0
t
t
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
DS
D
NOP
IN
T5
m+
t
DH
3
NOP
T6
DON'T CARE
NOP
T7
43