IS42S32800B-7TI ISSI, Integrated Silicon Solution Inc, IS42S32800B-7TI Datasheet - Page 16
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IS42S32800B-7TI
Manufacturer Part Number
IS42S32800B-7TI
Description
IC SDRAM 256MBIT 143MHZ 86TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Datasheet
1.IS42S32800B-7BL.pdf
(62 pages)
Specifications of IS42S32800B-7TI
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
256M (8Mx32)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
86-TSOPII
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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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
®
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