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Your cart is empty.These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset, and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground. The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs.
Tom T
2025-06-09 14:11:11
They worked fine.
Sven
2025-06-02 19:22:39
40% failure rate, so far in 2 weeks. Using very carefully in simple circuits.
Roger Simister
2025-05-21 16:14:24
I have these in circuit and are performing great.
Ramon Garcia
2025-02-07 14:35:16
not all the same brand, seams like they mismatch just to put order together
Blake
2024-12-20 11:56:36
They all work as expected! Good price for a hobbyist like me who doesn't need a larger set of them.
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