IS42S16800A7TLTR ISSI, Integrated Silicon Solution Inc, IS42S16800A7TLTR Datasheet - Page 42

• Manufacturer Part Number: IS42S16800A7TLTR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S16800A7TLTR

• 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: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 150mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

ALTERNATING BANK WRITE ACCESS
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
IS42S16800A
42
DQMH/DQM0-3
DQM/DQML
COMMAND
A0-A9, A11
BA0, BA1
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
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
D
ROW
T4
IN
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
Integrated Silicon Solution, Inc. — www.issi.com
T5
IN
NOP
m+
t
DH
t
WR
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
b+
- BANK 0
DH
1
t
DS
D
T8
NOP
IN
t
b+
DH
2
t
DS
ACTIVE
DON'T CARE
BANK 0
D
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
WR
3
- BANK 1
- BANK 0
06/01/07
Rev. A