CD74HCT238EE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HCT238EE4 is a high-speed CMOS 3-to-8 line decoder and demultiplexer from Texas Instruments in the HCT logic family. It features standard input conditioning, 50 pF load capacitance, and 4 mA output current in a 16-pin DIP package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HCT238EE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HCT238EE4?
- High-speed CMOS 3-to-8 line decoder/demultiplexer with HCT logic family compatibility, enabling direct interfacing with TTL and CMOS systems
- Supports 50 pF load capacitance with 4 mA output current (IOL max), providing reliable signal drive for standard logic applications
- RoHS-compliant (JESD-609 e4) 16-pin DIP package (R-PDIP-T16) enables easy prototyping and breadboard development
What is CD74HCT238EE4 used for?
The CD74HCT238EE4 is widely used in address decoding for memory and peripheral selection in microprocessor-based systems, enabling efficient expansion of I/O lines. It is also applied in data routing and demultiplexing tasks in industrial automation, communication equipment, and embedded control systems. Its HCT logic compatibility makes it ideal for mixed TTL/CMOS logic-level interfacing in legacy and modern digital designs.
What are the specifications of CD74HCT238EE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Family | HCT |
| Input Conditioning | STANDARD |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.004A |
| Number of Functions | 1 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 53ns |
| Propagation Delay (tpd) | 53ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the CD74HCT238EE4 datasheet?
CD74HCT238EE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HCT238EE4?
Compatible alternatives and drop-in replacements for CD74HCT238EE4:
Frequently Asked Questions
How can CD74HCT238EE4 be used in address decoding logic?
CD74HCT238EE4 is a 3-line to 8-line decoder/demultiplexer, so it can expand 3 binary address inputs into 8 mutually selected outputs for memory or peripheral selection.
Which load and drive details matter when replacing this TI HCT decoder?
The fetched specifications list 50 pF load capacitance and 0.004 A low-level output current, so substitutes should be checked against similar HCT timing and drive requirements.
What mechanical format should maintenance buyers match for legacy boards?
Buyers should confirm the 16-pin PDIP footprint and the exact CD74HCT238EE4 orderable suffix before approving alternates, especially for through-hole repair or long-life industrial equipment.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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