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參數(shù)資料
| 型號： | M74HC221AM1R |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | DC/DC變換器 |
| 英文描述： | REC3-SRWZ_DRWZ/H* Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 05V; Power: 3W; 2kV, 4kVDC & 6kVDC Isolation; Industry Standard 3W DIP24 Package; Feedback Regulated Output; Continuous Short Circuit Protection; Wide Input 2:1 & 4:1; Medical Approvals (4kV/6kV Versions); EN and UL Certificates; 3 Pinout Options, 3 Case Styles; Control Pin Option; Efficiency to 86% |
| 中文描述： | 雙單穩(wěn)態(tài)觸發(fā)器 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 288K |
| 代理商： | M74HC221AM1R |
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(shí)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 |
| M74HC221F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL MONOSTABLE MULTIVIBRATOR |
| M74HC221M1R | 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(shí)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 |
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