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参数资料
| 型号： | 74ALVCH16843 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 3-Line To 8-Line Decoders/Demultiplexers 16-SSOP -40 to 85 |
| 中文描述： | 18位总线接口D型锁存器三态 |
| 文件页数： | 3/12页 |
| 文件大小： | 84K |
| 代理商： | 74ALVCH16843 |
Philips Semiconductors
Product specification
74ALVCH16843
18-bit bus interface D-type latch (3-State)
1998 Aug 04
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
1CLR
Clear input (active LOW)
2
1OE
Output enable input (active
LOW)
55
1PRE
Preset input (active LOW)
56
1LE
Latch enable input (active
HIGH)
54, 52, 51, 49, 48,
47, 45, 44, 43
1D0 to 1D8
Data inputs
3, 5, 6, 8, 9,
10, 12, 13, 14
1Q0 to 1Q8
Data outputs
4, 11, 18, 25,
32, 39, 46, 53
GND
Ground (0V)
7, 22, 35, 50
V
CC
Positive supply voltage
27
2OE
Output enable input (active
LOW)
28
2CLR
Clear input (active LOW)
29
2LE
Latch enable input (active
HIGH)
30
2PRE
Preset input (active LOW)
42, 41, 40, 38, 37,
36, 34, 33, 31
2D0 to 2D8
Data inputs
15, 16, 17, 19, 20,
21, 23, 24, 26
2Q0 to 2Q8
Data outputs
FUNCTION TABLE
INPUTS
OUTPUT
nPRE
nCLR
nOE
LE
D
X
X
Q
L
X
L
X
H
H
L
L
X
X
L
H
H
L
H
L
L
H
H
L
H
H
H
H
H
L
H
X
Q
0
Z
X
X
H
H
X
H
L
X
Z
=
=
=
=
HIGH voltage level
LOW voltage level
Don’t care
High impedance “off” state
LOGIC SYMBOL
54
52
51
49
48
47
45
44
41
40
38
37
36
34
33
31
3
5
6
8
9
10
12
13
16
17
19
20
21
23
24
26
1D
0
1D
1
1D
2
1D
3
1D
4
1D
5
1D
6
1D
7
1D
8
2D
0
2D
1
2D
2
2D
3
2D
4
2D
5
2D
6
2D
7
2D
8
1Q
0
1Q
1
1Q
2
1Q
3
1Q
4
1Q
5
1Q
6
1Q
7
1Q
8
2Q
0
2Q
1
2Q
2
2Q
3
2Q
4
2Q
5
2Q
6
2Q
7
2Q
8
1OE
1LE
2OE
2LE
2
56
27
29
SH00144
1CLR
1PRE
2CLR
2PRE
1
55
28
30
14
15
43
42
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74ALVCH16843APA | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Integrated Device Technology Inc 功能描述: |
| 74ALVCH16843DG | 功能描述:闭锁 18BIT BUS INTER LTCH/SET RESET RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel |
| 74ALVCH16843DGG | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:18-bit bus-interface D-type latch 3-State |
| 74ALVCH16843DGG,11 | 功能描述:闭锁 18BIT BUS INTER RoHS:否 制造商:Micrel 电路数量:1 逻辑类型:CMOS 逻辑系列:TTL 极性:Non-Inverting 输出线路数量:9 高电平输出电流: 低电平输出电流: 传播延迟时间: 电源电压-最大:12 V 电源电压-最小:5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-16 封装:Reel |
| 74ALVCH16843DGG,112 | 制造商:NXP Semiconductors 功能描述: |
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