IS42S16320B-75ETL-TR ISSI, Integrated Silicon Solution Inc, IS42S16320B-75ETL-TR Datasheet - Page 34

• 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
34
Notes:
1) CAS latency = 2, Burst Length = 4
2) x16: A11 and A12 = "Don't Care"
ALTERNATING BANK READ ACCESSES
x8: A12 = "Don't Care"
A0-A9, A11, A12
DQML, DQMH
COMMAND
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
BANK 0
AS
AS
AS
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
t
RCD
RRD
RAS
RC
t
- BANK 0
CK
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
COLUMN m
BANK 0
READ
T2
t
CMH
t
CH
(2)
CAS Latency - BANK 0
T3
NOP
t
LZ
t
AC
BANK 3
ACTIVE
ROW
ROW
T4
D
OUT
t
OH
m
Integrated Silicon Solution, Inc. — www.issi.com
t
AC
t
RCD
- BANK 3
ENABLE AUTO PRECHARGE
T5
D
NOP
OUT
t
OH
m+
t
1
AC
COLUMN b
BANK 3
READ
T6
D
OUT
t
OH
m+
t
(2)
RP
t
2
AC
CAS Latency - BANK 3
- BANK 0
T7
D
NOP
OUT
t
OH
m+
t
3
AC
BANK 0
ACTIVE
ROW
T8
ROW
DON'T CARE
D
OUT
t
OH
b
t
RCD
t
AC
- BANK 0
10/06/2010
Rev. E