CD74AC138M96G4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74AC138M96G4 is a 3-to-8 line inverting decoder and demultiplexer in a 16-pin SOIC package, featuring advanced CMOS AC logic for high-speed operation. It includes two active-low and one active-high enable inputs, 50 pF load capacitance tolerance, and 24 mA output sink current for robust bus driving. Available in tape and reel packaging for automated assembly with global distribution through authorized distributors.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74AC138M96G4 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 CD74AC138M96G4?
- 3-to-8 line decoding with active-low inverting outputs enables direct address decoding without external inverters
- Three enable inputs (two active-low, one active-high) provide flexible chip-select control for complex bus arbitration
- Advanced CMOS AC family delivers high-speed switching at 50 pF load capacitance with 24 mA output sink current
What is CD74AC138M96G4 used for?
CD74AC138M96G4 is widely used in memory address decoding, peripheral chip select generation, and demultiplexing applications in microprocessor-based systems. Its three enable inputs allow cascading multiple decoders to expand from 8 to 64 or more output lines for large memory bank selection. The 16-pin SOIC package fits standard PCB footprints in industrial control systems, communication equipment, and embedded computing boards.
What are the specifications of CD74AC138M96G4?
| YTEOL | 0 |
| Additional Feature | TWO ACTIVE-LOW AND ONE ACTIVE-HIGH ENABLE INPUTS |
| Family | AC |
| Input Conditioning | STANDARD |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.024A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 15.4ns |
| Propagation Delay (tpd) | 138ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia, Mexico |
Where can I find the CD74AC138M96G4 datasheet?
CD74AC138M96G4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74AC138M96G4?
Compatible alternatives and drop-in replacements for CD74AC138M96G4:
Frequently Asked Questions
How does CD74AC138M96G4 use its three enable inputs for chip-select control in a bus design?
CD74AC138M96G4 has three enable inputs: two active-low (E1, E2) and one active-high (E3). All three must be satisfied simultaneously to activate any output—E1 and E2 must be low while E3 is high. This configuration allows a single decoder to be enabled only when a specific address space is selected, letting designers build 8-output chip select logic without additional gate ICs.
What output drive capability does CD74AC138M96G4 provide for memory bus decoding applications?
CD74AC138M96G4 sinks up to 24 mA per output (I(ol) = 24 mA) and is rated for 50 pF load capacitance, making it capable of driving multiple memory chip-enable inputs simultaneously without bus contention. Its advanced AC CMOS family also provides fast propagation delays, supporting memory decode cycles in systems running above 50 MHz bus speeds.
In what PCB assembly format is CD74AC138M96G4 available, and how does it simplify procurement?
CD74AC138M96G4 is supplied in a 16-pin SOIC (R-PDSO-G16) package on a 96-piece tape and reel format (denoted by M96 in the part number), optimized for automated SMT assembly. The 96-reel quantity suits moderate-volume production runs, reducing per-reel overhead costs compared to minimum full reels of 2500 pieces. It is RoHS-compliant (JESD-609 e4) and available through major authorized distributors globally.
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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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