IS42S16320B-75ETL-TR ISSI, Integrated Silicon Solution Inc, IS42S16320B-75ETL-TR Datasheet - Page 36

• Manufacturer Part Number: IS42S16320B-75ETL-TR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16320B-75ETL-TR

• Organization: 32Mx16
• Density: 512Mb
• Address Bus: 15b
• Access Time (max): 5.5ns
• Maximum Clock Rate: 133MHz
• 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: 180mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

IS42S86400B, IS42/45S16320B
36
READ - DQM OPERATION
Notes:
1) CAS latency = 2, Burst Length = 4
2) x16: A11 and A12 = "Don't Care"
A0-A9, A11, A12
x8: A12 = "Don't Care"
DQML, DQMH
COMMAND
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
ACTIVE
t
t
t
AS
AS
AS
BANK
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
COLUMN m
READ
BANK
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
t
AC
NOP
T4
D
OUT
t
OH
t
Integrated Silicon Solution, Inc. — www.issi.com
HZ
m
NOP
T5
t
LZ
t
AC
NOP
D
T6
OUT
t
OH
m+
t
AC
2
DON'T CARE
UNDEFINED
NOP
T7
D
OUT
t
OH
m+
t
HZ
3
NOP
T8
10/06/2010
Rev. E