IS42S16800B-6TL ISSI, Integrated Silicon Solution Inc, IS42S16800B-6TL Datasheet - Page 35

• Manufacturer Part Number: IS42S16800B-6TL
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800B-6TL

• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 5.4ns
• Maximum Clock Rate: 167MHz
• 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

READ - DQM OPERATION
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. G
06/11/09
IS42S81600B, IS42S16800B
Notes:
1) CAS latency = 2, Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
DQML, DQMH
X8: A11 = "Don't Care"
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
CMH
t
t
t
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
1-800-379-4774
NOP
T4
D
OUT
t
OH
t
HZ
m
NOP
T5
t
LZ
t
AC
NOP
D
T6
OUT
t
OH
m+
t
AC
2
DON'T CARE
UNDEFINED
NOP
D
T7
OUT
t
OH
m+
t
HZ
3
NOP
T8
35