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參數(shù)資料
| 型號： | M74HC123A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Dual Retriggerable Monostable Multivibrator(可再觸發(fā)單穩(wěn)態(tài)多諧振蕩器) |
| 中文描述： | 雙Retriggerable單穩(wěn)態(tài)觸發(fā)器（可再觸發(fā)單穩(wěn)態(tài)多諧振蕩器） |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 291K |
| 代理商： | M74HC123A |
PIN DESCRIPTION
PIN No
1, 9
SYMBOL
1A, 2A
NAME AND FUNCTION
Trigger Inputs (Negative
Edge Triggered)
Trigger Inputs (Positive
Edge Triggered)
Direct Reset LOW and
Trigger Action at Positive
Edge
Outputs (Active LOW)
External Resistor
Capacitor Connection
Outputs (Active HIGH)
External Capacitor
Connection
External Resistor
Capacitor Connection
Ground (0V)
Positive Supply Voltage
2, 10
1B, 2B
3, 11
1CLR,
2CLR
4, 12
7
1Q, 2Q
2R
EXT
/C
EXT
13, 5
14, 6
1Q, 2Q
1C
EXT
2C
EXT
1R
EXT
/C
EXT
15
8
GND
V
CC
16
IEC LOGIC SYMBOL
ABSOLUTE MAXIMUM RATING
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)
M54/M74HC123/123A
5/14
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| M74HC123AB1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR |
| M74HC123AC1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR |
| M74HC123AF1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR |
| M74HC123AM | 制造商:National Semiconductor 功能描述:74HC123 NSC'91 IN S3E8B |
| M74HC123AM1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR |
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