IS42S16800B-7TLI-TR ISSI, Integrated Silicon Solution Inc, IS42S16800B-7TLI-TR Datasheet - Page 43

• Manufacturer Part Number: IS42S16800B-7TLI-TR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800B-7TLI-TR

• Organization: 8Mx16
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 130mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

AlTERNATING BANK WRITE ACCESSES
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. G
06/11/09
IS42S81600B, IS42S16800B
DQM/DQML
COMMAND
A0-A9, A11
BA0, BA1
X8: A11 = "Don't Care"
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
CK
- BANK 0
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
COLUMN m
BANK 0
DS
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
D
ROW
T4
IN
1-800-379-4774
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
m+
t
DH
t
DPL
3
- BANK 0
t
COLUMN b
DS
BANK 1
WRITE
T6
D
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
ACTIVE
BANK 0
DON'T CARE
D
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
DPL
3
- BANK 0
- BANK 1
43