Product Overview
Harris Semiconductor CD74HCT123E Dual Monostable Multivibrator DIP-16
Condition
Used. Equipment pull with clean top markings reading CD74HCT123E and date code H 9509. Through-hole pins intact. Evaluation: Visual inspection only. Function testing not performed.
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Product Overview
Harris Semiconductor CD74HCT123E dual retriggerable monostable multivibrator with reset in a standard 16-pin plastic DIP package. High-speed CMOS logic featuring TTL voltage compatibility, Schmitt-trigger inputs on trigger lines, and complementary buffered outputs for pulse generation and timing circuits.
Key Features
- Dual independent monostable multivibrator circuits in a single 16-pin DIP package
- High-speed CMOS logic (74HCT series) with TTL-compatible input levels
- Operating supply voltage range of 4.5V to 5.5V
- Schmitt-trigger inputs on trigger lines for noise immunity and clean edge detection
- True and complementary buffered outputs (Q and Q-bar)
- Through-hole mounting with standard 0.100-inch (2.54 mm) lead spacing
Applications
- Replacing failed timing ICs during bench repairs of legacy industrial control boards
- Generating precise single-shot delay pulses in breadboard logic prototypes
- Restoring older digital equipment and microcomputer interface circuits requiring authentic period-correct DIP logic
Frequently Asked Questions
What logic family and voltage does the CD74HCT123E use?
The 74HCT series operates on a nominal 5V supply (4.5V to 5.5V range) and accepts TTL-level input voltages while delivering CMOS output levels.
What package type is this integrated circuit?
This unit is housed in a standard 16-pin dual in-line plastic package (DIP-16) designed for through-hole PCB mounting or IC sockets.
Why buy this single pull instead of a large wholesale lot?
When you only need one authentic Harris DIP IC to finish a repair or complete a prototype, buying an individually cataloged pull avoids paying for a bulk tube of parts you will never use. Shipping is an $8 flat rate, free once your order passes $28, and orders leave our Idaho warehouse the same or next business day.
Sometimes getting an older board back to life just takes one trusty DIP chip from the right era plugged into the socket.
