Product Overview
CD74HC377E 74HC-Series Octal D Flip-Flop with Clock Enable - Harris 20-Pin DIP, 1995 Date Code
Condition
Unused NOS. Visual inspection confirms the Harris Semiconductor interlocking-wave logo, full part number CD74HC377E, and date code 9501 (1st week of 1995) are sharply legible on the casing. 20-pin DIP through-hole package. Sourced from an electronics distributor consolidating inventory.
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Product Overview
Harris Semiconductor CD74HC377E - High-Speed CMOS octal D-type flip-flop with clock enable, in a 20-pin dual in-line through-hole package. Positive-edge triggered, operating from 2V to 6V. Typical propagation delay of 12ns at 5V. Harris production from the first week of 1995.
Key Features
- Octal D-type flip-flop with common clock enable
- Positive-edge triggered
- 2V to 6V operating voltage range
- Typical propagation delay: 12ns at 5V
- High noise immunity, low power CMOS
- 20-pin DIP through-hole package
- Date code 9501 - manufactured 1st week of 1995, Harris Semiconductor
Applications
- Replacing a failed 74HC377 in a vintage computer bus interface or data latch board where DIP through-hole is required
- Building breadboard prototypes or wire-wrapped logic circuits that need an 8-bit registered latch with clock enable
- Repairing industrial controller PCBs that specify Harris or generic 74HC-series logic and cannot accept SMD substitutes
- Retro computing and hobby logic builds where a period-correct Harris chip matters as much as the function
Frequently Asked Questions
Is this compatible with other 74HC377 or 74HCT377 parts?
The CD74HC377E is a standard 74HC377 logic function - octal D flip-flop with clock enable, positive-edge triggered, 20-pin DIP. It is pin-compatible with other 74HC377 DIP-20 devices from Texas Instruments, Fairchild, NXP, and similar manufacturers. Note that 74HCT377 variants are optimized for 5V TTL-level inputs; this is the HC (CMOS-level input) version operating from 2V to 6V.
What is the date code on this chip?
Date code 9501 - produced in the 1st week of 1995 by Harris Semiconductor. The code is fully legible on the casing.
Is the Harris Semiconductor logo visible on the chip?
Yes. The historic Harris Semiconductor interlocking-wave logo is sharply legible on the left side of the casing stamp alongside the full part number.
Does this come with any documentation or accessories?
Not included. This is the IC only.
A 1995 Harris chip sitting unused for thirty years is a small miracle of surplus logistics - pulled before it could become e-waste and ready to clock data on your next board. Put it to work.
