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Texas Instruments CD74HC670E — Logic ICs
Texas Instruments

CD74HC670E 74HC Register File, 4x4 Tri-State, -55 to 125°C

MPNCD74HC670E
End of Life

Texas Instruments 74HC series CD74HC670E, 4x4 register file with tri-state outputs, 2V to 6V supply, -55°C to 125°C, 16-DIP (0.300", 7.62mm) through-hole package.

$1.94Ref. price · indicative, final on quote
CD74HC670E datasheet
Packaging16-DIP (0.300", 7.62mm)
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
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Specifications

CD74HC670E Technical Specifications
ParameterValue
Series74HC
Logic typeRegister File
Output typeTri-State
Mounting typeThrough Hole
Voltage2V ~ 6V
Operating temperature-55°C ~ 125°C
PackageTube
FunctionUniversal
Case16-DIP (0.300\", 7.62mm)
Number of elements1
Number of bits per element4

Product details

The CD74HC670E is a 4-by-4 register file — four 4-bit words of static storage — built in the 74HC high-speed CMOS logic family. It gives you a small, fast scratchpad for temporary data holding, status flags, or configuration nibbles in a through-hole design.

Temperature range — the full military span

If your board lives in an engine bay, a satellite orbit, or a downhole tool, the CD74HC670E keeps its register contents valid across the extremes without needing a screened or ceramic-package variant.

Package and mounting — through-hole for retrofit and prototyping

Housed in a 16-pin PDIP (0.300" body width, 7.62mm row spacing), this is a through-hole part. That matters if you are replacing a failed register in legacy equipment, breadboarding a logic circuit, or building a one-off where SMT reflow is impractical. The 16-DIP footprint is standard — no surprises on the layout side.

Frequently asked questions

What is the function of the CD74HC670E?

It is a 4-by-4 register file — four 4-bit words of static storage with tri-state outputs. You write data to one of four internal registers, then read it back on a shared bus. It is essentially a tiny, fast scratchpad for temporary data holding in logic circuits.