SN74LS148DG4Alternatives & Equivalent Parts
About SN74LS148DG4
SN74LS148DG4 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.
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Specification Comparison
| Parameter | SN74LS148DG4Source | SN74LS148D | SN74LS148N | SN74LS138D | SN74LS138DR | SESD7L5.0DT5G | TPS22918TDBVRQ1 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | ON Semiconductor | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | SO Transistor Flat Lead | SOT23 (6-Pin) |
| Pin Count | 16 | 16 | 16 | 16 | 16 | 3 | 6 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | -55.0°C ~ 150.0°C | -40.0°C ~ 105.0°C |
| Price | $0.8450 | $0.7074 | $1.0695 | $0.0853 | $0.3410 | $0.3162 | $0.2306 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| YTEOL | 0 | 0 | 15 | 15 | 15 | 7 | 15 |
| Additional Feature | 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 | 3 ENABLE INPUTS | — | — |
| Family | LS | LS | LS | LS | LS | — | — |
| JESD-30 Code | R-PDSO-G16 | R-PDSO-G16 | R-PDIP-T16 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-F3 | R-PDSO-G6 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | e3 | e3 |
| Load Capacitance (CL) | 15 pF | 15 pF | 15 pF | 15 pF | 15 pF | — | — |
| Logic IC Type | ENCODER | ENCODER | ENCODER | 3-LINE TO 8-LINE DECODER | 3-LINE TO 8-LINE DECODER | — | — |
| Number of Bits | 8 | 8 | 8 | 8 | 8 | — | — |
| Number of Functions | 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 | SOP16,.25 | DIP16,.3 | SOP16,.25 | SOP16,.25 | — | TSOP6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE |
| Packing Method | TUBE | TUBE | TUBE | TUBE | TR | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 60 mA | 10 mA | 10 mA | 10 mA | 10 mA | — | — |
| Propagation Delay (tpd) | 36 ns | 36 ns | 36 ns | 41 ns | 41 ns | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — |
| Supply Voltage-Max (Vsup) | 5.25 V | 5.25 V | 5.25 V | 5.25 V | 5.25 V | — | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.75 V | 4.75 V | 4.75 V | 4.75 V | 4.75 V | — | 1 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | — | 1.2 V |
| Surface Mount | YES | YES | NO | YES | YES | YES | YES |
| Technology | TTL | TTL | TTL | BIPOLAR | BIPOLAR | AVALANCHE | — |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | — | — |
| Terminal Finish | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | FLAT | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 2.54 mm | 1.27 mm | 1.27 mm | — | 0.95 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 | 30 | 30 | 30 |
| ## SN74LS148DG4 Alternates Showing results | Image | — | — | — | — | — | — |
| Max I(ol) | — | 0.008 A | 0.008 A | 0.008 A | 0.008 A | — | — |
| Prop. Delay@Nom-Sup | — | 19 ns | 19 ns | 41 ns | 41 ns | — | — |
| ## SN74LS148D Alternates Showing results | — | Image | — | — | — | — | — |
| Pbfree Code | — | — | Yes | Yes | Yes | Yes | Yes |
| ## SN74LS148N Alternates Showing results | — | — | Image | — | — | — | — |
| Input Conditioning | — | — | — | STANDARD | STANDARD | — | — |
| ## SN74LS138D Alternates Showing results | — | — | — | Image | — | — | — |
| ## SN74LS138DR Alternates Showing results | — | — | — | — | Image | — | — |
| Manufacturer Package Code | — | — | — | — | — | 631AA | — |
| Breakdown Voltage-Min | — | — | — | — | — | 5.4 V | — |
| Clamping Voltage-Max | — | — | — | — | — | 10.4 V | — |
| Configuration | — | — | — | — | — | COMMON ANODE, 2 ELEMENTS, 2 CHANNEL | — |
| Diode Element Material | — | — | — | — | — | SILICON | — |
| Diode Type | — | — | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — |
| Forward Voltage-Max (VF) | — | — | — | — | — | 1.1 V | — |
| Number of Elements | — | — | — | — | — | 2 | — |
| Polarity | — | — | — | — | — | BIDIRECTIONAL | — |
| Power Dissipation-Max | — | — | — | — | — | 0.15 W | — |
| Reference Standard | — | — | — | — | — | AEC-Q101; IEC-61000-4-2 | — |
| Rep Pk Reverse Voltage-Max | — | — | — | — | — | 5 V | — |
| Reverse Current-Max | — | — | — | — | — | 1 µA | — |
| Reverse Test Voltage | — | — | — | — | — | 5 V | — |
| Date Of Intro | — | — | — | — | — | — | 2016-07-19 |
| Adjustable Threshold | — | — | — | — | — | — | NO |
| Analog IC - Other Type | — | — | — | — | — | — | LOAD SWITCH |
| Input Voltage-Max | — | — | — | — | — | — | 5.5 V |
| Input Voltage-Min | — | — | — | — | — | — | 1 V |
| Number of Channels | — | — | — | — | — | — | 1 |
| Screening Level | — | — | — | — | — | — | AEC-Q100 |
| ## TPS22918TDBVRQ1 Alternates Showing results | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for SN74LS148DG4 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 SN74LS148DG4 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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FAQ
What is equivalent to SN74LS148DG4?
Known equivalents for SN74LS148DG4 include SN74LS148D, SN74LS148N, SN74LS138D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS148DG4?
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 SN74LS148DG4 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.