IS42S16800B-6TL ISSI, Integrated Silicon Solution Inc, IS42S16800B-6TL Datasheet - Page 34

• 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

IS42S81600B, IS42S16800B
Notes:
1) CAS latency = 2, Burst Length = Full Page
2) X16: A9 and A11 = "Don't Care"
34
READ - FUll-PAGE BURST
DQML, DQMH
COMMAND
A0-A9, A11
X8: A11 = "Don't Care"
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
t
t
t
CMH
AH
AH
AH
t
CK
t
RCD
T1
NOP
t
t
CMS
CL
COLUMN m
BANK
READ
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
Integrated Silicon Solution, Inc. — www.issi.com —
t
AC
NOP
T4
D
OUT
t
OH
each row (x4) has
1,024 locations
m
t
AC
NOP
T5
D
OUT
t
OH
m+
t
1
AC
Full page
completion
NOP
T6
D
OUT
t
OH
t
m+
AC
Use BURST TERMINATE command.
2
Full-page burst not self-terminating.
Tn+1
NOP
D
OUT
t
OH
m-
t
1
AC
BURST TERM
Tn+2
D
OUT
t
OH
m
t
AC
Tn+3
NOP
D
OUT
1-800-379-4774
t
DON'T CARE
UNDEFINED
OH
m+
t
HZ
1
Tn+4
NOP
06/11/09
Rev. G