CD74HCT138EAlternatives & Equivalent Parts
About CD74HCT138E
CD74HCT138E 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.
Specification Comparison
| Parameter | CD74HCT138ESource | CD74HCT174EE4 | CD74HCT32EG4 | CD74HCT42E | SN74HCT245NG4 | CD74HCT238EE4 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 16 | 16 | 14 | 16 | 20 | 16 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | — | -55.0°C ~ 125.0°C | — | -55.0°C ~ 125.0°C |
| Price | $0.3708 | $0.2100 | $0.2697 | $0.5365 | — | — |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | — | — | Yes | — | Yes |
| YTEOL | 15 | 0 | — | 15 | — | 0 |
| Family | HCT | HCT | — | HCT | — | HCT |
| Input Conditioning | STANDARD | — | — | STANDARD | — | STANDARD |
| JESD-30 Code | R-PDIP-T16 | R-PDIP-T16 | — | R-PDIP-T16 | — | R-PDIP-T16 |
| JESD-609 Code | e4 | e4 | — | e4 | — | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | — | 50 pF | — | 50 pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER | D FLIP-FLOP | — | DECIMAL DECODER/DRIVER | — | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.004 A | 0.004 A | — | 0.004 A | — | 0.004 A |
| Number of Bits | 8 | 6 | — | 10 | — | — |
| Number of Functions | 1 | 1 | — | 1 | — | 1 |
| Output Polarity | INVERTED | TRUE | — | INVERTED | — | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | — | DIP16,.3 | — | DIP16,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | — | IN-LINE | — | IN-LINE |
| Packing Method | TUBE | TUBE | — | TUBE | — | TUBE |
| Power Supply Current-Max (ICC) | 0.16 mA | 0.16 mA | — | 0.16 mA | — | 0.16 mA |
| Prop. Delay@Nom-Sup | 35 ns | 60 ns | — | 35 ns | — | 53 ns |
| Propagation Delay (tpd) | 53 ns | 60 ns | — | 53 ns | — | 53 ns |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | — | 5.5 V | — | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V | — | 4.5 V | — | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | 5 V | — | 5 V |
| Surface Mount | NO | NO | — | NO | — | NO |
| Technology | CMOS | CMOS | — | CMOS | — | CMOS |
| Temperature Grade | MILITARY | MILITARY | — | MILITARY | — | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | THROUGH-HOLE | — | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | 2.54 mm | — | 2.54 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | — | DUAL |
| ## CD74HCT138E Alternates Showing results | Image | — | — | — | — | — |
| Additional Feature | — | DUMMY VAL | — | — | — | — |
| Max Frequency@Nom-Sup | — | 17000000 Hz | — | — | — | — |
| Trigger Type | — | POSITIVE EDGE | — | — | — | — |
| fmax-Min | — | 17 MHz | — | — | — | — |
| ## CD74HCT42E Alternates Showing results | — | — | — | Image | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for CD74HCT138E 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 CD74HCT138E 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.
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Request Alternatives for CD74HCT138EFAQ
What is equivalent to CD74HCT138E?
Known equivalents for CD74HCT138E include CD74HCT174EE4, CD74HCT32EG4, CD74HCT42E. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of CD74HCT138E?
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 CD74HCT138E 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.