參數資料
型號: M74HC221AC1R
廠商: 意法半導體
英文描述: DUAL MONOSTABLE MULTIVIBRATOR
中文描述: 雙單穩(wěn)態(tài)觸發(fā)器
文件頁數: 4/14頁
文件大?。?/td> 288K
代理商: M74HC221AC1R
TRUTH TABLE
INPUTS
B
H
L
X
OUTPUTS
NOTE
A
CLR
H
H
H
H
Q
Q
OUTPUT ENABLE
INHIBIT
INHIBIT
OUTPUT ENABLE
OUTPUT ENABLE
INHIBIT
X
H
L
L
X
L (*)
L (*)
H (*)
H (*)
H
X
L
L
H
X:Don’tCare
(*):Except for monostble period
INPUT AND OUTPUT EQUIVALENT CIRCUIT
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
M54/M74HC221/221A
4/14
相關PDF資料
PDF描述
M74HC221 DUAL MONOSTABLE MULTIVIBRATOR
M74HC221A 2.7V to 5.5V 10-Bit 8-channel Serial DAC 20-SOIC -40 to 85
M74HC221AF1R 2.7V to 5.5V 10-Bit 8-channel Serial DAC 20-SOIC -40 to 85
M74HC221M1R DUAL MONOSTABLE MULTIVIBRATOR
M74HC221C1R DUAL MONOSTABLE MULTIVIBRATOR
相關代理商/技術參數
參數描述
M74HC221AF1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL MONOSTABLE MULTIVIBRATOR
M74HC221AM1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL MONOSTABLE MULTIVIBRATOR
M74HC221B1 制造商:STMicroelectronics 功能描述:
M74HC221B1R 功能描述:單穩(wěn)態(tài)多諧振蕩器 Dual Mono Multivibtr RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
M74HC221C1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL MONOSTABLE MULTIVIBRATOR