BUY SN74LS221N https://www.utsource.net/itm/p/958828.html
Demonstration circuit board for MGA-87563
Description: The SN74LS221N is a dual monostable multivibrator with Schmitt-trigger inputs from Texas Instruments.
Features:
Schmitt-trigger inputs for clean operation
Output pulse widths independently adjustable from 4 to 30 μs
Outputs source/sink 24 mA
Outputs can be wired ORed
Inputs and outputs TTL-compatible
Power supply voltage range: 4.75 V to 5.25 V
Applications:
Clock pulse generation
Pulse rate multiplication
Pulse width modulation
Pulse width demodulation
Pulse generation for time delays
Pulse position modulation
Pulse generation for time-out timers
(For reference only)
