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WED3DG7264V-D1 PDF даташит

Спецификация WED3DG7264V-D1 изготовлена ​​​​«White Electronic Designs» и имеет функцию, называемую «512MB - 2x32Mx72 SDRAM».

Детали детали

Номер произв WED3DG7264V-D1
Описание 512MB - 2x32Mx72 SDRAM
Производители White Electronic Designs
логотип White Electronic Designs логотип 

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WED3DG7264V-D1 Даташит, Описание, Даташиты
Whitewww.datasheet4u.com Electronic Designs
WED3DG7264V-D1
PRELIMINARY*
512MB – 2x32Mx72 SDRAM, UNBUFFERED w/PLL
FEATURES
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
• D1: 31.75mm (1.25”)
DESCRIPTION
The WED3DG7264V is a 2x32Mx72 synchronous DRAM
module which consists of eighteen 32Mx8 stack SDRAM
components in TSOP II package, and one 2Kb 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.
NOTE: Consult factory for availability of:
• RoHS compliant products
• Vendor source control options
• Industrial temperature option
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PINOUT
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 DQM0 24
25 DQM1 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
DQM4
DQM5
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 CS1# 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#
CKE1
A12
NC
NC
VSS
CB6
CB7
VCC
DQ48
DQ49
DQ50
DQ51
VSS
DQ52
DQ53
PIN FRONT PIN
97 DQ22 98
99 DQ23 100
101 VCC 102
103 A6 104
105 A8 106
107 VSS 108
109 A9 110
111 A10 112
113 VCC 114
115 DQM2 116
117 DQM3 118
119 VSS 120
121 DQ24 122
123 DQ25 124
125 DQ26 126
127 DQ27 128
129 VCC 130
131 DQ28 132
133 DQ29 134
135 DQ30 136
137 DQ31 138
139 VSS 140
141 SDA 142
143 VCC 144
BACK
DQ54
DQ55
VCC
A7
BA0
VSS
BA1
A11
VCC
DQM6
DQM7
VSS
DQ56
DQ57
DQ58
DQ59
VCC
DQ60
DQ61
DQ62
DQ63
VSS
SCL
VCC
PIN NAMES
A0 – A12
BA0-1
DQ0-63
CLK0
CB0-7
CKE0,CKE1
CS0#,CS1#
RAS#
CAS#
WE#
DQM0-7
VCC
VSS
SDA
SCL
Address Input (Multiplexed)
Select Bank
Data Input/Output
Clock Input
Check Bit (Data-In/Data-Out)
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
DNU Do Not Use
NC No Connect
* These pins are not used in this module.
** These pins should be NC in the system which does
not support SPD.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 4
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com









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WED3DG7264V-D1 Даташит, Описание, Даташиты
Whitewww.datasheet4u.com Electronic Designs
WED3DG7264V-D1
PRELIMINARY
FUNCTIONAL BLOCK DIAGRAM
CS1#
WE#
CS0#
DQM0
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQM1
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
DQM2
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQM3
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
·
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM4
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQM5
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
DQM6
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQM7
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
DQM S
I/O 0
I/O 1
I/O 2
I/O 3
I/O 4
I/O 5
I/O 6
I/O 7
WE#
CLK0
PLL SDRAM
RAS#
CAS#
CKE0
CKE1
BA0-BA1
A0-A12
VCC
RAS#: SDRAM
CAS#: SDRAM
CKE0: SDRAM
CKE1: SDRAM
BA0-BA1: SDRAM
A0-A12: SDRAM
SDRAM
NOTE: DQ wiring may differ than described in this drawing, however
DQ/DQMB/CKE/S relationships must be maintained as shown.
SCL
SERIAL PD
A0 A1 A2
SDA
VSS SDRAM
Note: All resistor values are 10 ohms unless otherwise specified.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 4
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com









No Preview Available !

WED3DG7264V-D1 Даташит, Описание, Даташиты
Whitewww.datasheet4u.com Electronic Designs
WED3DG7264V-D1
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Voltage on any pin relative to VSS
VIN, VOUT
Voltage on VCC supply relative to VSS
VCC, VCCQ
Storage Temperature
TSTG
Power Dissipation
PD
Short Circuit Current
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.
-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
Parameter
Symbol
Min
Typ
Max
Supply Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Leakage Current
VCC 3.0 3.3 3.6
VIH 2.0 3.0 VCCQ+0.3
VIL -0.3 — 0.8
VOH 2.4 — —
VOL — — 0.4
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.
Unit Note
V
V1
V2
V IOH= -2mA
V IOL= + 2mA
µA 3
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 (CLK0)
Input Capacitance (CS0#)
Input Capacitance (DQM0-DQM7)
Input Capacitance (BA0-BA1)
Data Input/Output Capacitance (DQ0-DQ63)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
Max
74
74
40
5.5
40
11
74
15
Unit
pF
pF
pF
pF
pF
pF
pF
pF
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 4
3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com










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