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HMD4M72D18EV PDF даташит

Спецификация HMD4M72D18EV изготовлена ​​​​«Hanbit Electronics» и имеет функцию, называемую «32Mbyte(4Mx72) EDO Mode».

Детали детали

Номер произв HMD4M72D18EV
Описание 32Mbyte(4Mx72) EDO Mode
Производители Hanbit Electronics
логотип Hanbit Electronics логотип 

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HMD4M72D18EV Даташит, Описание, Даташиты
HANBit
HMD4M72D18EV
32Mbyte(4Mx72) EDO Mode 4K Ref. 3.3V, DIMM 168 pin
Part No. HMD4M72D18EV-6
GENERAL DESCRIPTION
The HMD4M72D18EV is a 4Mx72bits Dynamic RAM high density memory module. The HMD4M72D18EV consists of
eighteen CMOS 4Mx4bits DRAMs in SOJ/TSOPІІ 400mil packages mounted on a 168-pin glass-epoxy substrate. A 0.1 or
0.22uF decoupling capacitor is mounted on the printed circuit board for each DRAM. The HMD4M72D18EV is a Dual In-
line Memory Module and is intended for mounting into 168 pin edge connector sockets
www.DataShFeEetA4UT.cUoRmES
PERFORMANCE RANGE
w Part Identification
HMD4M72D18EV --- 4KCycles/64ms Ref, Gold Plate Lead
w High-density 32MByte design
w New JEDEC standard proposal without buffer
w CAS-before-RAS Refresh capability
w RAS-only and Hidden refresh capability
w Single +3.3± 0.3V power supply
w EDO mode operation.
w LVTTL compatible inputs and outputs
w FR4-PCB design
w Access times : 50, 60ns
SPEED
-5
-6
w Timing
50ns access
60ns access
w Packages
168-pin DIMM
tRAC
50ns
60ns
tCAC
15ns
17ns
-5
-6
D
tRC
84ns
104ns
tHPC
20ns
25ns
PIN NAMES
Pin Name
A0-A11
A0-A12
Function
Address Input (4k ref)
Address Input (8k ref)
/W0,/W2 Read/Write Enable
/OE0,/OE2 Output Enable
SA0 SA2 Address in EEPROM
Pin Name
Function
/RAS0, /RAS2 Row Address Strobe
/CAS0 -
Column Address Strobe
/CAS7
SCL
Serial Clock
DU Don't use
CB0 - CB7 Check Bit
Pin Name
Function
Vss Ground
NC No Connection
Vcc Power (+3.3V)
SDA
Serial Address /Data
I/O
DQ0-DQ63 Data In/Out
URL:www.hbe.co.kr
REV.1.0. (August.2002)
- 1-
HANBit Electronics Co.,Ltd.









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HMD4M72D18EV Даташит, Описание, Даташиты
HANBit
HMD4M72D18EV
PIN ASSIGNMENT
PIN Symbol PIN Symbol PIN Symbol PIN Symbol PIN Symbol
1 Vss 29 /CAS1 57
2 DQ0 30 /RAS0 58
3 DQ1 31 /OE0 59
4 DQ2 32 Vss 60
5 DQ3 33 A0 61
www.DataSheet46U.com Vcc
34
A2
62
7 DQ4 35 A4 63
8 DQ5 36 A6 64
9 DQ6 37 A8 65
10 DQ7 38 A10 66
11 DQ8 39 NC 67
12 Vss 40 Vcc 68
13 DQ9 41 Vcc 69
14 DQ10 42 NC 70
15 DQ11 43 Vss 71
16 DQ12 44 /OE2 72
17 DQ13 45 /RAS2 73
18 Vcc 46 /CAS2 74
19 DQ14 47 /CAS3 75
20 DQ15 48 /W2 76
21 CB0 49 Vcc 77
22 CB1 50 NC 78
23 Vss 51 NC 79
24 NC 52 CB2 80
25 NC 53 CB3 81
26 Vcc 54 Vss 82
27 /W0 55 DQ16 83
28 /CAS0 56 DQ17 84
DQ18
DQ19
Vcc
DQ20
NC
NC
NC
Vss
DQ21
DQ22
DQ23
Vss
DQ24
DQ25
DQ26
DQ27
Vcc
DQ28
DQ29
DQ30
DQ31
Vss
NC
NC
NC
SDA
SCL
Vcc
85 Vss 113 /CAS5
86 DQ32 114 /RAS1
87 DQ33 115 NC
88 DQ34 116 Vss
89 DQ35 117
A1
90 Vcc 118 A3
91 DQ36 119
A5
92 DQ37 120
A7
93 DQ38 121
A9
94 DQ39 122 A11
95 DQ40 123 NC
96 Vss 124 Vcc
97 DQ41 125 NC
98 DQ42 126 NC
99 DQ43 127 Vss
100 DQ44 128 NC
101 DQ45 129 /RAS3
102 Vcc 130 /CAS6
103 DQ46 131 /CAS7
104 DQ47 132 NC
105 CB4 133 Vcc
106 CB5 134 NC
107 Vss 135 NC
108 NC 136 CB6
109 NC 137 CB7
110 Vcc 138 Vss
111 NC 139 DQ48
112 /CAS4 140 DQ49
PIN
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
Symbol
DQ50
DQ51
Vcc
DQ52
NC
NC
NC
Vss
DQ53
DQ54
DQ55
Vss
DQ56
DQ57
DQ58
DQ59
Vcc
DQ60
DQ61
DQ62
DQ63
Vss
NC
NC
SA0
SA1
SA2
Vcc
URL:www.hbe.co.kr
REV.1.0. (August.2002)
- 2-
HANBit Electronics Co.,Ltd.









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HMD4M72D18EV Даташит, Описание, Даташиты
HANBit
FUNCTIONAL BLOCK DIAGRAM
CB0-7
DQ 0-63
/CAS
/RAS
/OE0
/CAS
/RAS
/OE
/W
U1
A0 -A11
DQ0-3
/CAS
/RAS
/OE
/W
U2
A0 -A11
DQ4-7
w w w . D a t a/CSAhSe e t 4 U . c o/CmAS
/RAS
/OE
/W
DQ8-11
U3
A0 -A11
/CAS
/CAS3
/CAS
/RAS
/OE
/W
DQ12-15
U4
A0 -A11
/CAS
/RAS
/OE
/W
U5
A0 -A11
CB0-3
/CAS
/RAS
/OE
/W
DQ16-19
U6
A0 -A11
/CAS
/RAS
/OE
/W
DQ20-23
U7
A0 -A11
/CAS
/RAS
/OE
/W
DQ24-27
U8
A0 -A11
/CAS
/RAS
/OE
/W
DQ28-31
U9
A0 -A11
/WE0
A(0:11)
/CAS4
/RAS2
/OE2
/CAS5
/CAS6
/CAS7
/WE2
URL:www.hbe.co.kr
REV.1.0. (August.2002)
- 3-
HMD4M72D18EV
/CAS
/RAS
/OE
/W
DQ32-35
U11
A0 -A11
/CAS
/RAS
/OE
/W
DQ36-39
U12
A0 -A11
/CAS
/RAS
/OE
/W
DQ40-43
U13
A0 -A11
/CAS
/RAS
/OE
/W
DQ44-47
U14
A0 -A11
/CAS
/RAS
/OE
/W
U15
A0 -A11
CB4-7
/CAS
/RAS
/OE
/W
DQ48-51
U15
A0 -A11
/CAS
/RAS
/OE
/W
DQ52-55
U16
A0 -A11
/CAS
/RAS
/OE
/W
DQ56-59
U17
A0 -A11
/CAS
/RAS
/OE
/W
DQ60-63
U18
A0 -A11
Vcc
Vss
0.1uF or 0.22uF
Capacitor
To all DRAMs
for each DRAM
HANBit Electronics Co.,Ltd.










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HMD4M72D18EV32Mbyte(4Mx72) EDO ModeHanbit Electronics
Hanbit Electronics

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