SN74LS138DAlternatives & Equivalent Parts
About SN74LS138D
SN74LS138D is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline 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 all 6 alternatives for SN74LS138D — response within 24 hours.
Specification Comparison
| Parameter | SN74LS138DSource | M95512-DFCS6TP/K | ADC0808CCN | SN74LS148D | SN74LS148DG4 | SN74LS148N | SN74LS138DR |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Other | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 16 | 8 | 28 | 16 | 16 | 16 | 16 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $0.0853 | $0.3595 | $3.3400 | $0.7074 | $0.8450 | $1.0695 | $0.3410 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | — | — | — | — | Yes | Yes |
| YTEOL | 15 | 9 | 0 | 0 | 0 | 15 | 15 |
| Additional Feature | 3 ENABLE INPUTS | — | — | 8 TO 3 LINE PRIORITY ENCODER; CASCADABLE; WITH GROUP SELECT OUTPUT | 8 TO 3 LINE PRIORITY ENCODER; CASCADABLE; WITH GROUP SELECT OUTPUT | 8 TO 3 LINE PRIORITY ENCODER; CASCADABLE; WITH GROUP SELECT OUTPUT | 3 ENABLE INPUTS |
| Family | LS | — | — | LS | LS | LS | LS |
| Input Conditioning | STANDARD | — | — | — | — | — | STANDARD |
| JESD-30 Code | R-PDSO-G16 | R-PBGA-B8 | R-PDIP-T28 | R-PDSO-G16 | R-PDSO-G16 | R-PDIP-T16 | R-PDSO-G16 |
| JESD-609 Code | e4 | — | e0 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 15 pF | — | — | 15 pF | 15 pF | 15 pF | 15 pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER | — | — | ENCODER | ENCODER | ENCODER | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.008 A | — | — | 0.008 A | — | 0.008 A | 0.008 A |
| Number of Bits | 8 | — | 8 | 8 | 8 | 8 | 8 |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Polarity | INVERTED | — | — | INVERTED | INVERTED | INVERTED | INVERTED |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 | — | DIP28,.6 | SOP16,.25 | SOP16,.25 | DIP16,.3 | SOP16,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE |
| Packing Method | TUBE | — | — | TUBE | TUBE | TUBE | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 | — | 260 |
| Power Supply Current-Max (ICC) | 10 mA | — | — | 10 mA | 60 mA | 10 mA | 10 mA |
| Prop. Delay@Nom-Sup | 41 ns | — | — | 19 ns | — | 19 ns | 41 ns |
| Propagation Delay (tpd) | 41 ns | — | — | 36 ns | 36 ns | 36 ns | 41 ns |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25 V | 5.5 V | — | 5.25 V | 5.25 V | 5.25 V | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | 1.7 V | — | 4.75 V | 4.75 V | 4.75 V | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | 1.8 V | — | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | NO | YES | YES | NO | YES |
| Technology | BIPOLAR | CMOS | CMOS | TTL | TTL | TTL | BIPOLAR |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | TIN LEAD | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | BALL | THROUGH-HOLE | GULL WING | GULL WING | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 1.27 mm | — | 2.54 mm | 1.27 mm | 1.27 mm | 2.54 mm | 1.27 mm |
| Terminal Position | DUAL | BOTTOM | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | 30 | 30 | — | 30 |
| ## SN74LS138D Alternates Showing results | Image | — | — | — | — | — | — |
| Factory Lead Time | — | 12 Weeks | — | — | — | — | — |
| Clock Frequency-Max (fCLK) | — | 5 MHz | — | — | — | — | — |
| Memory Density | — | 524288 bit | — | — | — | — | — |
| Memory IC Type | — | EEPROM | — | — | — | — | — |
| Memory Width | — | 8 | — | — | — | — | — |
| Number of Words | — | 65536 words | — | — | — | — | — |
| Number of Words Code | — | 64000 | — | — | — | — | — |
| Operating Mode | — | SYNCHRONOUS | — | — | — | — | — |
| Organization | — | 64KX8 | — | — | — | — | — |
| Parallel/Serial | — | SERIAL | — | — | — | — | — |
| Serial Bus Type | — | SPI | — | — | — | — | — |
| Analog Input Voltage-Max | — | — | 6.1 V | — | — | — | — |
| Analog Input Voltage-Min | — | — | -0.1 V | — | — | — | — |
| Conversion Time-Max | — | — | 116 µs | — | — | — | — |
| Converter Type | — | — | ADC, SUCCESSIVE APPROXIMATION | — | — | — | — |
| Number of Analog In Channels | — | — | 8 | — | — | — | — |
| Output Bit Code | — | — | BINARY | — | — | — | — |
| Output Format | — | — | PARALLEL, 8 BITS | — | — | — | — |
| Sample and Hold / Track and Hold | — | — | SAMPLE | — | — | — | — |
| Screening Level | — | — | TS 16949 | — | — | — | — |
| Supply Current-Max | — | — | 3 mA | — | — | — | — |
| Supply Voltage-Nom | — | — | 5 V | — | — | — | — |
| ## ADC0808CCN Alternates Showing results | — | — | Image | — | — | — | — |
| ## SN74LS148D Alternates Showing results | — | — | — | Image | — | — | — |
| ## SN74LS148DG4 Alternates Showing results | — | — | — | — | Image | — | — |
| ## SN74LS148N Alternates Showing results | — | — | — | — | — | Image | — |
| ## SN74LS138DR Alternates Showing results | — | — | — | — | — | — | Image |
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 all 6 alternatives for SN74LS138D — response within 24 hours.
Quick Links
suggested
suggested
suggested
suggested
suggested
Why Look for Alternatives?
Finding alternatives for SN74LS138D 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 SN74LS138D 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 SN74LS138D. Get expert recommendations within 24 hours.
FAQ
What is equivalent to SN74LS138D?
Known equivalents for SN74LS138D include M95512-DFCS6TP/K, ADC0808CCN, SN74LS148D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS138D?
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 SN74LS138D 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.