參數(shù)資料
型號: MC74HC147
廠商: Motorola, Inc.
英文描述: Decimal-to-BCD Encoder High-Performance Silicon-Gate CMOS
中文描述: 十進制到BCD編碼器高性能硅柵CMOS
文件頁數(shù): 1/5頁
文件大?。?/td> 91K
代理商: MC74HC147
SEMICONDUCTOR TECHNICAL DATA
1
REV 6
Motorola, Inc. 1995
10/95
High–Performance Silicon–Gate CMOS
The MC74HC147 is identical in pinout to the LS147. The device inputs are
compatible with standard CMOS outputs; with pullup resistors, they are
compatible with LSTTL outputs.
This device encodes nine active–low data inputs to four active–low BCD
Address Outputs, ensuring that only the highest order active data line is
encoded. The implied decimal zero condition is encoded when all nine data
inputs are at a high level (inactive).
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2 to 6 V
Low Input Current: 1
μ
A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 136 FETs or 34 Equivalent Gates
LOGIC DIAGRAM
DECIMAL
DATA INPUTS
(ACTIVE–LOW)
BCD
ADDRESS
OUTPUTS
(ACTIVE–LOW)
A0
A1
A2
A3
D1
D2
D3
D4
D5
D6
D7
D8
D9
11
12
13
1
2
3
4
5
10
9
7
6
14
VCC= PIN 16
GND = PIN 8
NO CONNECTION = PIN 15
PIN ASSIGNMENT
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
D4
D7
D6
D5
A1
A2
D8
GND
D2
D3
A3
NC
VCC
D9
D1
A0
NC = NO CONNECTION
D SUFFIX
SOIC PACKAGE
CASE 751B–05
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
1
16
1
16
ORDERING INFORMATION
MC74HCXXXN
MC74HCXXXD
Plastic
SOIC
Inputs
Outputs
D9 D8 D7 D6 D5 D4 D3 D2 D1 A3 A2 A1 A0
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
X
H
H
H
H
H
H
H
L
X
X
H
H
H
H
H
H
L
X
X
X
H
H
H
H
H
L
X
X
X
X
H
H
H
H
L
X
X
X
X
X
H
H
H
L
X
X
X
X
X
X
H
H
L
X
X
X
X
X
X
X
H
L
X
X
X
X
X
X
X
X
H
H
H
H
H
H
H
H
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
L
H
H
H
L
H
L
H
L
H
L
H
L
FUNCTION TABLE
相關PDF資料
PDF描述
MC74HC153N Dual 4-Input Data Selector/Multiplexer
MC74HC153D Dual 4-Input Data Selector/Multiplexer
MC74HC153 Dual 4-Input Data Selector/Multiplexer
MC74HC154DW 1-of-16 Decoder/Demultiplexer
MC74HC154N 1-of-16 Decoder/Demultiplexer
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參數(shù)描述
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