IS42S16800D-6B ISSI, Integrated Silicon Solution Inc, IS42S16800D-6B Datasheet - Page 44
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IS42S16800D-6B
Manufacturer Part Number
IS42S16800D-6B
Description
IC SDRAM 128MBIT 166MHZ 54BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Datasheet
1.IS42S16800D-7TL.pdf
(62 pages)
Specifications of IS42S16800D-6B
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
128M (8Mx16)
Speed
166MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
54-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S16800D-6B
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Company:
Part Number:
IS42S16800D-6B-TR
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
IS42S81600D,
ALTERNATING BANK WRITE ACCESSES
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
44
DQM/DQML
COMMAND
A0-A9, A11
X8: A11 = "Don't Care"
BA0, BA1
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
AH
AH
AH
CMH
t
t
t
t
RCD
RRD
RAS
RC
t
CK
- BANK 0
IS42S16800D
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
COLUMN m
DS
BANK 0
WRITE
D
T2
IN
t
t
CMH
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
BANK 1
DS
ACTIVE
ROW
ROW
D
T4
IN
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
Integrated Silicon Solution, Inc. — www.issi.com
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
RP
T7
NOP
IN
t
- BANK 0
b+
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
DPL
3
- BANK 0
- BANK 1
07/28/08
Rev. E