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Elpida Memory

EDS2532AABH-6B Datasheet Preview

EDS2532AABH-6B Datasheet

256M bits SDRAM

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DATA SHEET
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256M bits SDRAM
EDS2532AABH-6B (8M words × 32 bits)
Description
The EDS2532AABH is a 256M bits SDRAM organized
as 2,097,152 words × 32 bits × 4 banks. All inputs and
outputs are synchronized with the positive edge of the
clock.
It is packaged in 90-ball FBGA.
Features
3.3V power supply
Clock frequency: 166MHz (max.)
Single pulsed /RAS
• ×32 organization
4 banks can operate simultaneously and
independently
Burst read/write operation and burst read/single write
operation capability
Programmable burst length (BL): 1, 2, 4, 8 and full
page
2 variations of burst sequence
Sequential (BL = 1, 2, 4, 8, full page)
Interleave (BL = 1, 2, 4, 8)
Programmable /CAS latency (CL): 2, 3
Byte control by DQM
Address
4K Row address /512 column address
Refresh cycles
4096 refresh cycles/64ms
2 variations of refresh
Auto refresh
Self refresh
FBGA package with lead free solder (Sn-Ag-Cu)
Pin Configurations
/xxx indicate active low signal.
90-ball FBGA
123456789
A
DQ26 DQ24 VSS
B
DQ28 VDDQ VSSQ
C
VSSQ DQ27 DQ25
D
VSSQ DQ29 DQ30
E
VDDQ DQ31 NC
F
VSS DQM3 A3
G
A4 A5 A6
H
A7 A8 NC
J
CLK CKE A9
K
DQM1 NC NC
L
VDDQ DQ8 VSS
M
VSSQ DQ10 DQ9
N
VSSQ DQ12 DQ14
P
DQ11 VDDQ VSSQ
R
DQ13 DQ15 VSS
(Top view)
VDD DQ23 DQ21
VDDQ VSSQ DQ19
DQ22 DQ20 VDDQ
DQ17 DQ18 VDDQ
NC DQ16 VSSQ
A2 DQM2 VDD
A10 A0 A1
NC BA1 A11
BA0 /CS /RAS
/CAS /WE DQM0
VDD DQ7 VSSQ
DQ6 DQ5 VDDQ
DQ1 DQ3 VDDQ
VDDQ VSSQ DQ4
VDD DQ0 DQ2
A0 to A11
BA0, BA1
DQ0 to DQ31
/CS
/RAS
/CAS
/WE
DQM0 to DQM3
CKE
CLK
VDD
VSS
VDDQ
VSSQ
NC
Address inputs
Bank select address
Data-input/output
Chip select
Row address strobe
Column address strobe
Write enable
DQ mask enable
Clock enable
Clock input
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
Document No. E0494E40 (Ver. 4.0)
Date Published February 2005 (K) Japan
Printed in Japan
URL: http://www.elpida.com
Elpida Memory, Inc. 2004-2005




Elpida Memory

EDS2532AABH-6B Datasheet Preview

EDS2532AABH-6B Datasheet

256M bits SDRAM

No Preview Available !

Ordering Information
Part number
EDS2532AABH-6B-E
Supply
voltage
3.3V
EDS2532AABH-6BL-E
EDS2532AABH-6B
www.DataSheet4U.com
Organization
(words × bits) Internal Banks
8M × 32
4
Clock frequency
MHz (max.)
166
166
/CAS latency
3
3
Package
90-ball FBGA
Part Number
E D S 25 32 A A BH - 6B L - E
Elpida Memory
Type
D: Monolithic Device
Product Family
S: SDRAM
Density / Bank
25: 256M/4-bank, 4K Rows
Organization
32: x32
Power Supply, Interface
A: 3.3V, LVTTL
Die Rev.
Environment Code
E: Lead Free
Spec.Detail
Blank: Normal
L: Low Power
Speed
6B: 166MHz/CL3
Package
BH: FBGA(Board Type)
Data Sheet E0494E40 (Ver. 4.0)
2


Part Number EDS2532AABH-6B
Description 256M bits SDRAM
Maker Elpida Memory
Total Page 30 Pages
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