参数资料
型号: M74HC147
厂商: 意法半导体
英文描述: 10 TO 4 LINE PRIORITY ENCODER
中文描述: 10到4线优先编码器
文件页数: 3/10页
文件大小: 241K
代理商: M74HC147
PIN DESCRIPTION
PIN No
9, 7, 6, 14
SYMBOL
A to D
NAME AND FUNCTION
BCD Address Outputs
(Active LOW)
Decimal Data Inputs
(Active LOW)
11, 12, 13,
1, 2, 3, 4,
5, 10
15
8
16
1 to 9
NC
GND
V
CC
Not Connected
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOL
ABSOLUTE MAXIMUM RATINGS
Symbol
V
CC
V
I
V
O
I
IK
I
OK
I
O
I
CC
or I
GND
P
D
T
stg
T
L
AbsoluteMaximumRatingsarethose values beyond whichdamage tothedevicemayoccur. Functional operationunder theseconditionisnotimplied.
(*)500 mW:
65
o
C derate to300 mWby 10mW/
o
C: 65
o
C to85
o
C
Parameter
Value
-0.5 to +7
-0.5 to V
CC
+ 0.5
-0.5 to V
CC
+ 0.5
±
20
±
20
±
25
±
50
500 (*)
-65 to +150
300
Unit
V
V
V
mA
mA
mA
mA
mW
o
C
o
C
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Source Sink Current Per Output Pin
DC V
CC
or Ground Current
Power Dissipation
Storage Temperature
Lead Temperature (10 sec)
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
V
I
V
O
T
op
Parameter
Value
2 to 6
0 to V
CC
0 to V
CC
-55 to +125
-40 to +85
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
o
C
o
C
ns
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature:
M54HC
Series
M74HC
Series
t
r
, t
f
Input Rise and Fall Time
V
CC
= 2 V
V
CC
= 4.5 V
V
CC
= 6 V
M54/M74HC147
3/10
相关PDF资料
PDF描述
M74HC147M1R 10 TO 4 LINE PRIORITY ENCODER
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M74HC148B1R 8 TO 3 LINE PRIORITY ENCODER
M74HC148M1R 8 TO 3 LINE PRIORITY ENCODER
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