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參數(shù)資料
| 型號(hào)： | M54HC221C1R |
| 廠商： | 意法半導(dǎo)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(yè)數(shù)： | 4/14頁(yè) |
| 文件大?。?/td> | 288K |
| 代理商： | M54HC221C1R |
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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(guān)PDF資料 |
PDF描述 |
|---|---|
| M54HC221AM1R | DUAL MONOSTABLE MULTIVIBRATOR |
| M54HC221AB1R | DUAL MONOSTABLE MULTIVIBRATOR |
| M54HC237 | Low-Power Mono ADC / Stereo DAC with 6 audio inputs and HP/Speaker Amplifier 48-VQFN -40 to 85 |
| M54HC237F1R | Low-Power Mono ADC / Stereo DAC with 6 audio inputs and HP/Speaker Amplifier 48-VQFN -40 to 85 |
| M54HC238 | Low-Power Mono ADC / Stereo DAC with 6 audio inputs and HP/Speaker Amplifier 48-VQFN -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M54HC221F1R | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:DUAL MONOSTABLE MULTIVIBRATOR |
| M54HC221M1R | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:DUAL MONOSTABLE MULTIVIBRATOR |
| M54HC237 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:3 TO 8 LINE DECODER LATCH |
| M54HC237_04 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:RAD-HARD 3 TO 8 LINE DECODER LATCH |
| M54HC237D | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:RAD-HARD 3 TO 8 LINE DECODER LATCH |
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