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Part Number: MM74C221
Description: The MM74C221 dual monostable multivibrator is a monolithic complementary MOS integrated circuit. Each mult...
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MM74C221
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General Description
MM74C221 General Description
The MM74C221 dual monostable multivibrator is a monolithic complementary MOS integrated circuit. Each multivibrator features a negative-transition-triggered input and a positive-transition-triggered input, either of which can be used as an inhibit input, and a clear input.
Once fired, the output pulses are independent of further transitions of the A and B inputs and are a function of the external timing components CEXT and REXT. The pulse width is stable over a wide range of temperature and VCC.
Pulse stability will be limited by the accuracy of external timing components. The pulse width is approximately defined by the relationship tW(OUT) » CEXT REXT. For further information and applications, see AN-138.
MM74C221 Maximum Ratings
Voltage at Any Pin -0.3V to VCC + 0.3V
Operating Temperature Range -40°C to +85°C
Storage Temperature Range -65°C to +150°C
Power Dissipation
Dual-In-Line 700 mW
Small Outline 500 mW
Operating VCC Range 4.5V to 15V
Absolute Maximum VCC 18V
REXT 80 VCC (W)
Lead Temperature
(Soldering, 10 seconds) 260°C
Operating Temperature Range -40°C to +85°C
Storage Temperature Range -65°C to +150°C
Power Dissipation
Dual-In-Line 700 mW
Small Outline 500 mW
Operating VCC Range 4.5V to 15V
Absolute Maximum VCC 18V
REXT 80 VCC (W)
Lead Temperature
(Soldering, 10 seconds) 260°C
MM74C221 Features
Wide supply voltage range: 4.5V to 15V
Guaranteed noise margin: 1.0V
High noise immunity: 0.45 VCC (typ.)
Low power TTL compatibility: fan out of 2 driving 74L
Guaranteed noise margin: 1.0V
High noise immunity: 0.45 VCC (typ.)
Low power TTL compatibility: fan out of 2 driving 74L
MM74C221
PDF/DataSheet Download
- Datasheet: MM74C221
- File Size: 66590 KB
- Manufacturer: FAIRCHILD [Fairchild Semiconductor]
- Click here to Download
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