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Elite Semiconductor Memory Technology
Elite Semiconductor Memory Technology

M13S256328A Datasheet Preview

M13S256328A Datasheet

2M x 32 Bit x 4 Banks Double Data Rate SDRAM

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M13S256328A pdf
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DDR SDRAM
Features
M13S256328A
2M x 32 Bit x 4 Banks
Double Data Rate SDRAM
z JEDEC Standard
z Internal pipelined double-data-rate architecture, two data access per clock cycle
z Bi-directional data strobe (DQS)
z On-chip DLL
z Differential clock inputs (CLK and CLK )
z DLL aligns DQ and DQS transition with CLK transition
z Quad bank operation
z CAS Latency : 2; 2.5; 3
z Burst Type : Sequential and Interleave
z Burst Length : 2, 4, 8, full page
z Full page burst length for sequential burst type only
z Start address of the full page burst should be even
z All inputs except data & DM are sampled at the rising edge of the system clock(CLK)
z Data I/O transitions on both edges of data strobe (DQS)
z DQS is edge-aligned with data for reads; center-aligned with data for WRITE
z Data mask (DM) for write masking only
z VDD = 2.3V ~ 2.7V, VDDQ = 2.3V ~ 2.7V
z Auto & Self refresh
z 64ms refresh period (8K cycle)
z SSTL-2 I/O interface
z 144Ball FBGA package
Operating Frequencies :
PRODUCT NO.
M13S256328A -5BG
MAX FREQ
200MHz
VDD
2.5V
PACKAGE COMMENTS
144 Ball FBGA Pb-free
Elite Semiconductor Memory Technology Inc.
Publication Date : May. 2007
Revision : 1.2
1/47



Elite Semiconductor Memory Technology
Elite Semiconductor Memory Technology

M13S256328A Datasheet Preview

M13S256328A Datasheet

2M x 32 Bit x 4 Banks Double Data Rate SDRAM

No Preview Available !

M13S256328A pdf
ESMT
www.DataSheet4U.com
Functional Block Diagram
CLK
CLK
CKE
Clock
Generator
Address
Mode Register &
Extended Mode
Register
Row
Address
Buffer
&
Refresh
Counter
CS
RAS
CAS
WE
Column
Address
Buffer
&
Refresh
Counter
M13S256328A
Bank D
Bank C
Bank B
Bank A
Sense Amplifier
Column Decoder
Data Control Circuit
DM
DQ
Pin Arrangement
CLK, CLK
144(12x12) FBGA
DLL DQS
2
B DQS0
3
DM0
4
VSSQ
5
DQ3
6
DQ2
7
DQ0
8
DQ31
9
DQ29
10
DQ28
11
VSSQ
12
DM3
13
DQS3
C DQ4 VDDQ NC VDDQ DQ1 VDDQ VDDQ DQ30 VDDQ NC VDDQ DQ27
D DQ6 DQ5 VSSQ VSSQ VSSQ VDD VDD VSSQ VSSQ VSSQ DQ26 DQ25
E DQ7 VDDQ VDD
VSS VSSQ
F DQ17
G DQ19
H DQS2
J DQ21
DQ16
DQ18
DM2
DQ20
VDDQ
VDDQ
NC
VDDQ
VSSQ
VSSQ
VSSQ
VSSQ
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSS
Thermal
K DQ22 DQ23 VDDQ VSSQ VSS
VSS
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSS
VSS
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSS
VSSQ VSS VDD VDDQ DQ24
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSS
Thermal
VSSQ
VSSQ
VSSQ
VSSQ
VDDQ
VDDQ
NC
VDDQ
DQ15
DQ13
DM1
DQ11
DQ14
DQ12
DQS1
DQ10
VSS VSSQ VDDQ DQ9 DQ8
L CAS WE VDD VSS A10 VDD VDD NC VSS VDD NC
NC
M RAS
NC
NC BA1
A2 A11 A9
A5 NC
CLK CLK
NC
N CS
NC BA0 A0
A1 A3 A4
A6 A7 A8/AP CKE VREF
DQS
Elite Semiconductor Memory Technology Inc.
Publication Date : May. 2007
Revision : 1.2
2/47


Part Number M13S256328A
Description 2M x 32 Bit x 4 Banks Double Data Rate SDRAM
Maker Elite Semiconductor Memory Technology
Total Page 30 Pages
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M13S256328A pdf
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Elite Semiconductor Memory Technology
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