IS42S32800B-7BL ISSI, Integrated Silicon Solution Inc, IS42S32800B-7BL Datasheet - Page 16
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IS42S32800B-7BL
Manufacturer Part Number
IS42S32800B-7BL
Description
IC SDRAM 256MBIT 143MHZ 90BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS42S32800B-7BL.pdf
(62 pages)
Specifications of IS42S32800B-7BL
Package / Case
90-BGA
Memory Size
256M (8Mx32)
Format - Memory
RAM
Memory Type
SDRAM
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Data Bus Width
32 bit
Organization
2 Mbit x 32
Maximum Clock Frequency
143 MHz
Access Time
7 ns
Supply Voltage (max)
3.6 V
Supply Voltage (min)
3 V
Maximum Operating Current
150 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Density
256Mb
Address Bus
14b
Access Time (max)
5.5ns
Maximum Clock Rate
143MHz
Operating Supply Voltage (typ)
3.3V
Package Type
BGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
150mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
706-1024
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S32800B-7BL
Manufacturer:
ISSI
Quantity:
1 000
Company:
Part Number:
IS42S32800B-7BL
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Part Number:
IS42S32800B-7BL
Manufacturer:
ISSI
Quantity:
20 000
Company:
Part Number:
IS42S32800B-7BL-TR
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Company:
Part Number:
IS42S32800B-7BLI
Manufacturer:
ISSI
Quantity:
1 000
Company:
Part Number:
IS42S32800B-7BLI
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
Company:
Part Number:
IS42S32800B-7BLI-TR
Manufacturer:
ISSI, Integrated Silicon Solution Inc
Quantity:
10 000
I
IS42S32800B
16
¡D
¡D
¡D
¡D
¡D
CAS#
ADDR.
RAS#
DQM
CKE
CS#
WE#
CLK
Burst Length Field (A2~A0)
This field specifies the data length of column access using the A2~A0 pins and selects the Burst Length to be 2,
4,8,or full page.
DQ
*Note:RFU (Reserved for future use)should stay 0 during MRS cycle.
The mode register is divided into various fields depending on functionality.
Function
Address BS0,1 A11/A10
Hi-Z
A2
0
0
0
0
1
1
1
1
T0
RFU*
A1
0
0
1
1
0
0
1
1
t CK2
T1
Precharge All
0
1
0
1
1
0
1
A0
0
WBL
A9
T2
Burst Length
1
2
4
8
Reserved
Reserved
Reserved
Full Page
t
Mode Register
Address Key
RP
Set Command
Mode Register Set Cycle
Test Mode
A8
T3
Clock min.
A7
T4
Any
Command
A6
T5
CAS Latency
A5
T6
A4
T7
A3
BT
T8
Integrated Silicon Solution, Inc.
A2
T9
Burst Length
A1
T10
I
A0
07/21/09
Rev. F
®