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SN74221 Datasheet PDF

Part Series:
SN74221 Series
Category:
Flip Flops
Description:
TEXAS INSTRUMENTS SN74221N Monostable Multivibrator, 74221, 45ns, 16mA, 4.75V to 5.25V, DIP-16
Updated Time: 2023/01/13 03:34:02 (UTC + 8)

SN74221 Flip Flops Datasheet PDF

SN74221N - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
16 Pin
Supply Voltage (DC)
4.75V ~ 5.25V
Case/Package
PDIP-16
Output Current
16 mA
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SN74221N - TI Function Overview

The SN74221N is a dual Monostable Multivibrator with schmitt-trigger inputs. It features a negative-transition- triggered input and a positive-transition-triggered input, either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger input circuitry (TTL hysteresis) for B input allows jitter-free triggering from inputs with transition rates as slow as 1V/s, providing the circuit with excellent noise immunity, typically of 1.2V. A high immunity to VCC noise, typically of 1.5V, is also provided by internal latching circuitry. Once fired, the outputs are independent of further transitions of the A and B inputs and are a function of the timing components or the output pulses can be terminated by the overriding clear. Input pulses can be of any duration relative to the output pulse.
Overriding clear terminates output pulse
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