IS42S16320B-7TLI INTEGRATED SILICON SOLUTION (ISSI), IS42S16320B-7TLI Datasheet - Page 36

• Manufacturer Part Number: IS42S16320B-7TLI
• Description: SDRAM, IND, 32M X 16, 3V, 54TSOP2
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S16320B-7TLI

• Access Time: 5.4ns
• Page Size: 512Mbit
• Memory Case Style: TSOP-2
• No. Of Pins: 54
• Operating Temperature Range: -40°C To +85°C
• Memory Type: DRAM - Synchronous
• Memory Configuration: 4 BLK (8M X 16)
• Interface Type: LVTTL
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS 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
04/08/2011
Rev. G