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W3DG7268V-JD1 PDF даташит

Спецификация W3DG7268V-JD1 изготовлена ​​​​«White Electronic Designs» и имеет функцию, называемую «SDRAM UNBUFFERED».

Детали детали

Номер произв W3DG7268V-JD1
Описание SDRAM UNBUFFERED
Производители White Electronic Designs
логотип White Electronic Designs логотип 

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W3DG7268V-JD1 Даташит, Описание, Даташиты
White Electronic Designs
W3DG7268V-D1
-JD1
PRELIMINARY*
512MB- 64Mx72 SDRAM UNBUFFERED
FEATURES
PC100 and PC133 Compatible
Burst Mode Operation
Auto and Self Refresh capability
LVTTL compatible inputs and outputs
Serial Presence Detect with EEPROM
Fully synchronous: All signals are registered on the positive
edge of the system clock
Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
3.3V ± 0.3V Power Supply
144 Pin SO-DIMM JEDEC
• Package height option:
JD1: 31.75 (1.25")
www.DataSheet4U.com
DESCRIPTION
The W3DG7268V is a 64Mx72 synchronous DRAM module
which consists of nine 64Mx8 SDRAM components in
TSOP II 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.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN FRONT PIN
1 VSS 2
3 DQ0 4
5 DQ1 6
7 DQ2 8
9 DQ3 10
11 VCC 12
13 DQ4 14
15 DQ5 16
17 DQ6 18
19 DQ7 20
21 VSS 22
23 DQMB0 24
25 DQMB1 26
27 VCC 28
29 A0 30
31 A1 32
33 A2 34
35 VSS 36
37 DQ8 38
39 DQ9 40
41 DQ10 42
43 DQ11 44
45 VCC 46
47 DQ12 48
BACK
VSS
DQ32
DQ33
DQ34
DQ35
VCC
DQ36
DQ37
DQ38
DQ39
VSS
DQB4
DQB5
VCC
A3
A4
A5
VSS
DQ40
DQ41
DQ42
DQ43
VCC
DQ44
PIN FRONT PIN
49 DQ13 50
51 DQ14 52
53 DQ15 54
55 VSS 56
57 CB0 58
59 CB1 60
61 CLK0 62
63 VCC 64
65 RAS# 66
67 WE# 68
69 CS0# 70
71 NC 72
73 NC 74
75 VSS 76
77 CB2 78
79 CB3 80
81 VCC 82
83 DQ16 84
85 DQ17 86
87 DQ18 88
89 DQ19 90
91 VSS 92
93 DQ20 94
95 DQ21 96
BACK
DQ45
DQ46
DQ47
VSS
CB4
CB5
CKE0
VCC
CAS#
NC
A12
NC
CLK1
VSS
CB6
CB7
VCC
DQ48
DQ49
DQ50
DQ51
VSS
DQ52
DQ53
PIN FRONT PIN BACK
97 DQ22 98 DQ54
99 DQ23 100 DQ55
101 VCC 102 VCC
103 A6 104 A7
105 A8 106 BA0
107 VSS 108 VSS
109 A9 110 BA1
111 A10 112 A11
113 VCC 114 VCC
115 DQMB2 116 DQMB6
117 DQMB3 118 DQMB7
119 VSS 120 VSS
121 DQ24 122 DQ56
123 DQ25 124 DQ57
125 DQ26 126 DQ58
127 DQ27 128 DQ59
129 VCC 130 VCC
131 DQ28 132 DQ60
133 DQ29 134 DQ61
135 DQ30 136 DQ62
137 DQ31 138 DQ63
139 VSS 140 VSS
141 SDA 142 SCL
143 VCC 144 VCC
PIN NAMES
A0 – A12
BA0-1
DQ0-63
CB0-7
CLK0,CK1
CKE0
CS0#
RAS#
CAS#
WE#
DQMB0-7
VCC
VSS
SDA
SCL
DNU
NC
Address input (Multiplexed)
Select Bank
Data Input/Output
Check bit (Data-in/data-out)
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
October 2004
Rev. 2
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com









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W3DG7268V-JD1 Даташит, Описание, Даташиты
White Electronic Designs
W3DG7268V-D1
-JD1
PRELIMINARY
www.DataSheet4U.com
RAS#
CAS#
CKE0
BA0-BA1
A0-A12
VCC
VSS
FUNCTIONAL BLOCK DIAGRAM
WE#
DQMB0
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQMB1
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
CS0#
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
CS0#
WE#
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
DQMB2
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQMB3
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
RAS#: SDRAM D0-D8
CAS#: SDRAM D0-D8
CKE: SDRAM D0-D8
BA0-BA1: SDRAM D0-D8
A0-A12: SDRAM D0-D8
D0-D8
D0-D8
DQMB4
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQMB5
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
DQMB6
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQMB7
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
DQM
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
CS0#
WE#
Note: DQ wiring may differ than
described in this drawing, however
DQ/DQMB/CKE/S relationships must
be maintained as shown.
*CLOCK WIRING
CLOCK
INPUT
*CLK0
*CLK1
SDRAMS
5 SDRAMS
4 SDRAMS
*Wire per Clock Loading Table/Wiring Diagrams
SERIAL PD
SCL
A0 A1 A2
SDA
October 2004
Rev. 2
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com









No Preview Available !

W3DG7268V-JD1 Даташит, Описание, Даташиты
White Electronic Designs
W3DG7268V-D1
-JD1
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Voltage on any pin relative to VSS
Voltage on VCC supply relative to VSS
Storage Temperature
Power Dissipation
Short Circuit Current
VIN, VOUT
VCC, VCCQ
TSTG
PD
IOS
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.
Value
-1.0 ~ 4.6
-1.0 ~ 4.6
-55 ~ +150
9
50
Units
V
V
°C
W
mA
RECOMMENDED DC OPERATING CONDITIONS
Voltage Referenced to: VSS = 0V, 0°C TA +70°C
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Supply Voltage
Symbol
Min
Typ
Max
VCC 3.0 3.3 3.6
Input High Voltage
VIH 2.0 3.0 VCCQ+0.3
Input Low Voltage
VIL -0.3 — 0.8
Output High Voltage
VOH 2.4 — —
Output Low Voltage
VOL — — 0.4
Input Leakage Current
ILI -10 — 10
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 ≤ VCCQ
Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs.
CAPACITANCE
TA = 25°C, f = 1MHz, VCC = 3.3V, VREF = 1.4V ± 200mV
Parameter
Input Capacitance (A0-A12)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0)
Input Capacitance (CK0)
Input Capacitance (CS0#)
Input Capacitance (DQM0-DQM7)
Input Capacitance (BA0-BA1)
Data Input/Output Capacitance (DQ0-DQ63)
Data input/output capacitance (CB0-CB7)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
COUT1
Max
36
36
36
20
36
7
36
9
9
Unit Note
V
V1
V2
V IOH= -2mA
V IOL= + 2mA
µA 3
Unit
pF
pF
pF
pF
pF
pF
pF
pF
pF
October 2004
Rev. 2
3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com










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Номер в каталогеОписаниеПроизводители
W3DG7268V-JD1SDRAM UNBUFFEREDWhite Electronic Designs
White Electronic Designs

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