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HTC150 LED Flasher
This circuit controls four groups of LEDs and is useful for creating light effects.
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HTC151 LED Flasher
This circuit controls eight groups of LEDs and is useful for creating light effects.
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HTC550 Monostable Multivibrator
This flexible monostable multivibrator does not require external components for operation. It can generate output pulses on a rising or falling edge of a trigger signal. Has up to seven programmable output pulse durations ranging from 1uS to 10S, replacing the classic 555 timer in monostable multivibrator circuits.
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HTC551 Power Up Sequencer
Power up controller, that can control the power up sequence of up to three power supplies and does not require external components for operation. Includes a programmable start-up delay.
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HTC555 Digital 555 Timer
Digital version of classic 555 timer, which replaces the 555 timer in frequency generator circuits. It provides a 1% accurate frequency output at room temperature. Includes 32 programmable output frequencies covering a range from 1Hz to 100KHz and does not require external components for operation.
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HTC750 Musical Sound Generator
Melody generator, useful in musical projects such as musical doorbells, melody generators for alarm clocks, musical toys or boxes. Has 4 programmable melodies. Melody samples for each device are available for download.
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HTC751 Programmable Musical Sound Generator
Programmable melody generator, useful in musical projects such as musical doorbells, melody generators for alarm clocks, musical toys or boxes. It uses an external serial EEPROM for melody storage and its melody compiler is available for free.
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HTC852 PWM Controller
General-purpose PWM controller with a fixed output frequency of 31250Hz, requires a minimum number of external components and provides a wide range of power control (32 possible settings). It's very easy to use and provides a general DC power control solution in a wide range of applications.
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HTC2500 Digital Clock
Simple digital clock driver, that requires very few external components for digital clock construction. Designed to work with common cathode seven segment LED displays. Uses the popular 32768Hz crystal as its time reference and is built using our micro RTOS.
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HTC2502 Centralized Clock Driver
Analog clock driver whose output can control a solenoid type of moving mechanism. The output pulse is programmable to allow for mechanical delays. It supports operation from a backup power supply in case of main power failure. Applications benefiting from this device range from wall clocks and centralized clock systems to tower clocks.
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HTC2503 Low Power Wall Clock Driver
Analog clock driver whose output can control a stepping motor type of moving mechanism. Supports operation from backup power supply in case of main power failure. Could be used in wall clocks with solar cell as primary power and dual layer capacitor as energy storage and backup power source.
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