IS42S16320B-75ETL ISSI, Integrated Silicon Solution Inc, IS42S16320B-75ETL Datasheet - Page 44

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

Specifications of IS42S16320B-75ETL

• 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
ALTERNATING BANK WRITE ACCESSES
Notes:
1) Burst Length = 4
2) x16: A11 and A12 = "Don't Care"
44
A0-A9, A11, A12
x8: A12 = "Don't Care"
DQM/DQML
COMMAND
BA0, BA1
DQMH
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
t
COLUMN m
DS
BANK 0
WRITE
D
T2
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
BANK 1
DS
ACTIVE
ROW
ROW
D
T4
IN
t
m+
DH
2
t
RCD
t
Integrated Silicon Solution, Inc. — www.issi.com
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
t
m+
DH
t
DPL
3
- BANK 0
t
COLUMN b
DS
BANK 1
WRITE
D
T6
IN
t
DH
b
(2)
t
DS
D
t
T7
RP
NOP
IN
t
- BANK 0
b+
DH
1
t
DS
D
T8
NOP
IN
t
b+
DH
2
t
DS
DON'T CARE
ACTIVE
BANK 0
D
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
DPL
12/14/2010
3
- BANK 0
- BANK 1
Rev. F