IS42S16320B-7BL ISSI, Integrated Silicon Solution Inc, IS42S16320B-7BL Datasheet - Page 21
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IS42S16320B-7BL
Manufacturer Part Number
IS42S16320B-7BL
Description
IC SDRAM 512MBIT 143MHZ 54BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS42S16320B-7TL-TR.pdf
(62 pages)
Specifications of IS42S16320B-7BL
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
512M (32Mx16)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
54-BGA
Organization
32Mx16
Density
512Mb
Address Bus
15b
Access Time (max)
6.5/5.4ns
Maximum Clock Rate
143MHz
Operating Supply Voltage (typ)
3.3V
Package Type
WBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
130mA
Pin Count
54
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q5261827
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S16320B-7BL
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Company:
Part Number:
IS42S16320B-7BLI
Manufacturer:
ISSI
Quantity:
603
Part Number:
IS42S16320B-7BLI
Manufacturer:
ISSI
Quantity:
20 000
IS42S86400B, IS42/45S16320B
INITIALIzE AND LOAD MODE REGISTER
Integrated Silicon Solution, Inc. — www.issi.com
Rev. G
04/08/2011
A0-A9, A11, A12
DQML, DQMH
Notes:
1. If CS is High at clock High time, all commands applied are NOP.
2. The Mode register may be loaded prior to the Auto-Refresh cycles if desired.
3. JEDEC and PC100 specify three clocks.
4. Outputs are guaranteed High-Z after the command is issued.
COMMAND
BA0, BA1
DQM/
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 200µs Min.
t
t
CKS
CMS
NOP
T0
T
t
t
CKH
CMH
t
CK
CC
SINGLE BANK
ALL BANKS
t
CMS
PRECHARGE
ALL BANKS
T1
Precharge
all banks
t
CMH
t
RP
t
CMS
REFRESH
Tn+1
AUTO
AUTO REFRESH
t
CMH
t
CH
At least 8 Auto-Refresh Commands
NOP
t
RC
(1)
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
NOP
t
RC
t
t
t
Load MODE
REGISTER
AS
AS
AS
CODE
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
t
AH
AH
AH
Tp+2
t
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
(2, 3, 4)
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