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WED3DG64128V-D1 PDF даташит

Спецификация WED3DG64128V-D1 изготовлена ​​​​«White Electronic Designs Corporation» и имеет функцию, называемую «1GB - 128M X 64 SDRAM Unbuffered».

Детали детали

Номер произв WED3DG64128V-D1
Описание 1GB - 128M X 64 SDRAM Unbuffered
Производители White Electronic Designs Corporation
логотип White Electronic Designs Corporation логотип 

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WED3DG64128V-D1 Даташит, Описание, Даташиты
www.datasheet4u.com
WED3DG64128V-D1
1GB- 128Mx64 SDRAM, UNBUFFERED W/PLL
FEATURES
n PC100 and PC133 compatible
n Burst Mode Operation
n Auto and Self Refresh capability
n LVTTL compatible inputs and outputs
n Serial Presence Detect with EEPROM
n Fully synchronous: All signals are registered on the positive
edge of the system clock
n Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
n 3.3 volt 6 0.3v Power Supply
n 144 Pin SO-DIMM JEDEC
DESCRIPTION
The WED3DG64128V is a 128Mx64 synchronous DRAM module
which consists of eight 128Mx8 stack SDRAM components in
TSOP- 11 package, and one 2K EEPROM in an 8- pin TSSOP
package for Serial Presence Detect which are mounted on a 144
Pin SO-DIMM multilayer FR4 Substrate.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
NC NC
NC NC
CS0\
CS1\
NC
NC
NC
NC
NC
NC
PIN NAMES
A0 – A12
BA0-1
DQ0-63
CLK0
CKE0, CKE1
CS0, CS1
RAS
CAS
WE
DQM0-7
VDD
VSS
SDA
SCL
DNU
NC
Address input (Multiplexed)
Select Bank
Data Input/Output
Clock input
Clock Enable input
Chip select Input
Row Address Strobe
Column Address Strobe
Write Enable
DQM
Power Supply (3.3V)
Ground
Serial data I/O
Serial clock
Do not use
No Connect
White Electronic Designs Corp reserves the right to change products or specifications without notice.
June 2003 Rev. 1
ECO #16373
1
White Electronic Designs Corporation • (508) 485-4000 • www.whiteedc.com









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WED3DG64128V-D1 Даташит, Описание, Даташиты
www.datasheet4u.com
FUNCTIONAL BLOCK DIAGRAM
WED3DG64128V-D1
5
5
5
5
7
5
5
White Electronic Designs Corp reserves the right to change products or specifications without notice.
White Electronic Designs Corporation • (508) 485-4000 • www.whiteedc.com
2
5
June 2003 Rev. 1
ECO #16373









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WED3DG64128V-D1 Даташит, Описание, Даташиты
www.datasheet4u.com
WED3DG64128V-D1
ABSOLUTE MAXIMUM RATINGS
Parameter
Voltage on any pin relative to VSS
Voltage on VDD supply relative to VSS
Storage Temperature
Power Dissipation
Short Circuit Current
Symbol
VIN, Vout
VDD, VDDQ
TSTG
PD
IOS
Value
-1.0 ~ 4.6
-1.0 ~ 4.6
-55 ~ +150
16
50
Note: Permanent device damage may occur if "ABSOLUTE MAXIMUM RATINGS" are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
Units
V
V
°C
W
mA
RECOMMENDED DC OPERATING CONDITIONS
(Voltage Referenced to: VSS = 0V, TA = 0°C to +70°C)
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Leakage Current
Symbol
VDD
VIH
VIL
VOH
VOL
ILI
Min
3.0
2.0
-0.3
2.4
—
-10
Typ Max Unit
3.3 3.6
V
3.0 VDDQ+0.3 V
— 0.8
V
——
V
— 0.4
V
— 10 µA
Note
1
2
IOH= -2mA
IOL= -2mA
3
Note: 1. VIH (max)= 5.6V AC. The overshoot voltage duration is £ 3ns.
2. VIL (min)= -2.0V AC. The undershoot voltage duration is £ 3ns.
3. Any input 0V £ VIN £ VDDQ
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State
outputs.
CAPACITANCE
(TA = 23°C, f = 1MHz, VDD = 3.3V, VREF=1.4V 6200mV)
Parameter
Input Capacitance (A0-A12)
Input Capacitance (RAS,CAS,WE)
Input Capacitance (CKE0)
Input Capacitance (CLK0)
Input Capacitance (CS0)
Input Capacitance (DQM0-DQM7)
Input Capacitance (BA0-BA1)
Data input/output capacitance (DQ0-DQ63)
Data input/output capacitance (CB0-7)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
Cout
Cout 1
Min
-
-
-
-
-
-
-
-
-
Max
15
15
15
20
15
15
15
22
22
Unit
pF
pF
pF
pF
pF
pF
pF
pF
pF
White Electronic Designs Corp reserves the right to change products or specifications without notice.
June 2003 Rev. 1
ECO #16373
3
White Electronic Designs Corporation • (508) 485-4000 • www.whiteedc.com










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Номер в каталогеОписаниеПроизводители
WED3DG64128V-D11GB - 128M X 64 SDRAM UnbufferedWhite Electronic Designs Corporation
White Electronic Designs Corporation

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