CD74ACT138M96G4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
ACT-family 3-to-8 line decoder/demultiplexer providing 8 active-low outputs with 24mA sink current in a 16-pin SOIC package. Supports 50pF load capacitance and standard CMOS/TTL-compatible inputs for high-speed address decoding. Available in tape-and-reel packaging for automated assembly worldwide.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74ACT138M96G4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3730(MOQ 1000)
- 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 CD74ACT138M96G4?
- 3-to-8 line decoding with 8 independent active-low outputs for flexible address and chip-select logic
- 24mA output sink current (I_OL) drives multiple TTL and CMOS loads without external buffers
- ACT-family logic combines CMOS low power with TTL-compatible input thresholds for mixed-voltage systems
- 50pF rated load capacitance supports standard PCB trace lengths without signal integrity degradation
What is CD74ACT138M96G4 used for?
The CD74ACT138M96G4 is widely used in memory address decoding circuits where one of 8 memory banks or peripheral chips must be selected from a 3-bit address bus. It is also applied in industrial control systems for expanding chip-select lines from microcontrollers with limited GPIO outputs, enabling up to 8 peripheral devices per decoder. The 16-pin SOIC package and standard ACT logic levels make it straightforward to integrate into both legacy TTL-compatible and modern CMOS digital designs.
What are the specifications of CD74ACT138M96G4?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | ACT |
| 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, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 12ns |
| Propagation Delay (tpd) | 12ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| 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 | Mexico |
Where can I find the CD74ACT138M96G4 datasheet?
CD74ACT138M96G4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74ACT138M96G4?
Compatible alternatives and drop-in replacements for CD74ACT138M96G4:
Frequently Asked Questions
How does CD74ACT138M96G4 expand chip-select outputs from a microcontroller with only 3 address pins?
The CD74ACT138M96G4 uses 3 binary address inputs to assert one of 8 active-low outputs, effectively turning 3 MCU GPIO lines into 8 chip-select signals. With a 24mA output sink current rating, each output can directly drive standard CMOS or LSTTL device enable pins without additional buffering, reducing component count in memory and peripheral expansion designs.
What is the maximum load capacitance specified for CD74ACT138M96G4 outputs and how does it affect propagation delay?
The CD74ACT138M96G4 specifies a 50pF rated load capacitance per output. Exceeding 50pF increases propagation delay beyond the datasheet-specified values, potentially violating setup and hold timing in high-speed address decoding applications. For PCB designs with longer trace lengths or multiple parallel loads, board-level capacitance should be calculated and kept below this 50pF limit to maintain timing integrity.
Can CD74ACT138M96G4 be used with both 3.3V CMOS and 5V TTL logic systems in a mixed-voltage design?
Yes. The ACT-family logic of CD74ACT138M96G4 accepts TTL-compatible input thresholds (VIH min 2V, VIL max 0.8V) while operating from a 5V supply, allowing it to interface with 3.3V CMOS outputs that swing above 2V. Designers must verify output voltage levels meet downstream device input requirements, particularly when driving 3.3V-only logic from the 5V ACT outputs.
What is the package footprint of the CD74ACT138M96G4 and how does the M96 tape-and-reel suffix affect procurement?
CD74ACT138M96G4 is housed in a 16-pin SOIC (R-PDSO-G16) package, a standard 3.9mm wide body with 1.27mm pitch leads. The M96 suffix denotes a 96-unit tape-and-reel packaging format, which supports automated SMT pick-and-place assembly. For lower-volume prototype builds, equivalent variants in tube or cut-tape packaging may offer a lower minimum order quantity from distributor stock.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $0.4950 | $495.00 |
| 2500+ | $0.4230 | $1057.50 |
| 5000+ | $0.3730 | $1865.00 |
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