CD74HC640EAlternatives & Equivalent Parts
About CD74HC640E
CD74HC640E is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering this alternative for CD74HC640E — response within 24 hours.
Specification Comparison
| Parameter | CD74HC640ESource | CD74HC640EE4 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 20 | 20 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $1.8750 | — |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 15 | 0 |
| Additional Feature | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL |
| Control Type | COMMON CONTROL | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL | BIDIRECTIONAL |
| Family | HC/UH | HC/UH |
| JESD-30 Code | R-PDIP-T20 | R-PDIP-T20 |
| JESD-609 Code | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF |
| Logic IC Type | BUS TRANSCEIVER | BUS TRANSCEIVER |
| Max I(ol) | 0.0078 A | 0.006 A |
| Number of Bits | 8 | 8 |
| Number of Functions | 8 | 1 |
| Number of Ports | 2 | 2 |
| Output Characteristics | 3-STATE | 3-STATE |
| Output Polarity | INVERTED | INVERTED |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | DIP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE |
| Packing Method | TUBE | — |
| Power Supply Current-Max (ICC) | 0.16 mA | 0.16 mA |
| Prop. Delay@Nom-Sup | 20 ns | 27 ns |
| Propagation Delay (tpd) | 135 ns | 135 ns |
| Qualification Status | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | — |
| Supply Voltage-Max (Vsup) | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 6 V | 4.5 V |
| Surface Mount | NO | NO |
| Technology | CMOS | CMOS |
| Temperature Grade | MILITARY | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering this alternative for CD74HC640E — response within 24 hours.
Quick Links
Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20
Why Look for Alternatives?
Finding alternatives for CD74HC640E is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating CD74HC640E replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for CD74HC640E. Get expert recommendations within 24 hours.
FAQ
What is equivalent to CD74HC640E?
Known equivalents for CD74HC640E include CD74HC640EE4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of CD74HC640E?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify CD74HC640E alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.