SNJ54LS257BJAlternatives & Equivalent Parts
About SNJ54LS257BJ
SNJ54LS257BJ is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Ceramic Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | SNJ54LS257BJSource | SNJ54LS157J | SNJ54LS298J | SNJ54LS399J |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Ceramic Dual-In-Line Packages | Ceramic Dual-In-Line Packages | Ceramic Dual-In-Line Packages | Ceramic Dual-In-Line Packages |
| Pin Count | 16 | 16 | 16 | 20 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $1.9050 | — | $6.5815 | $19.5882 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| YTEOL | 15 | 15 | 0 | 15 |
| Family | LS | LS | LS | LS |
| JESD-30 Code | R-GDIP-T16 | R-GDIP-T16 | R-GDIP-T16 | R-GDIP-T16 |
| JESD-609 Code | e0 | e0 | e0 | e0 |
| Load Capacitance (CL) | 45 pF | 15 pF | 15 pF | 15 pF |
| Logic IC Type | MULTIPLEXER | MULTIPLEXER | MULTIPLEXER | MULTIPLEXER |
| Max I(ol) | 0.004 A | 0.004 A | 0.004 A | 0.004 A |
| Number of Bits | 2 | — | — | 4 |
| Number of Functions | 4 | 4 | 4 | 4 |
| Number of Inputs | 2 | 2 | 2 | 2 |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Characteristics | 3-STATE | OPEN-EMITTER | — | — |
| Output Polarity | TRUE | TRUE | TRUE | TRUE |
| Package Body Material | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | DIP16,.3 | DIP16,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Packing Method | TUBE | TUBE | TUBE | TUBE |
| Power Supply Current-Max (ICC) | 18 mA | 16 mA | 21 mA | 13 mA |
| Prop. Delay@Nom-Sup | 21 ns | 14 ns | 32 ns | 32 ns |
| Propagation Delay (tpd) | 24 ns | 14 ns | 32 ns | 32 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Screening Level | MIL-PRF-38535 | MIL-PRF-38535 | MIL-PRF-38535 | — |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | NO | NO | NO | NO |
| Technology | TTL | TTL | TTL | TTL |
| Temperature Grade | MILITARY | MILITARY | MILITARY | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | TIN LEAD | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Additional Feature | — | — | LG-MAX; FOUR 2:1 MUX FOLLOWED BY REGISTER | FOUR 2:1 MUX FOLLOWED BY REGISTER |
| Trigger Type | — | — | — | POSITIVE EDGE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, CDIP16
Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, CDIP16
Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, CDIP16
Why Look for Alternatives?
Finding alternatives for SNJ54LS257BJ 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 SNJ54LS257BJ 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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Request Alternatives for SNJ54LS257BJFAQ
What is equivalent to SNJ54LS257BJ?
Known equivalents for SNJ54LS257BJ include SNJ54LS157J, SNJ54LS298J, SNJ54LS399J. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SNJ54LS257BJ?
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 SNJ54LS257BJ 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.