SN74LS244NE4Alternatives & Equivalent Parts
About SN74LS244NE4
SN74LS244NE4 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a 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 | SN74LS244NE4Source | SN74LS244N | SN74LS245N | TPS3431SQDRBRQ1 | SN74LS240N | SN74LS241N |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline No-lead | Dual-In-Line Packages | — |
| Pin Count | 20 | 20 | 20 | 9 | 20 | — |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | -40.0°C ~ 125.0°C | ~ 70.0°C | — |
| Price | $0.5154 | $0.5450 | $0.4885 | $0.9233 | $0.3054 | $0.3045 |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | — |
| Reach Compliance Code | Compliant | — | — | — | — | — |
| YTEOL | 15 | 15 | 15 | 15 | 15 | — |
| Control Type | ENABLE LOW | ENABLE LOW | COMMON CONTROL | — | ENABLE LOW | — |
| Count Direction | UNIDIRECTIONAL | UNIDIRECTIONAL | BIDIRECTIONAL | — | UNIDIRECTIONAL | — |
| Family | LS | LS | LS | — | LS | — |
| JESD-30 Code | R-PDIP-T20 | R-PDIP-T20 | R-PDIP-T20 | S-PDSO-N8 | R-PDIP-T20 | — |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | — |
| Load Capacitance (CL) | 45 pF | 45 pF | 45 pF | — | 45 pF | — |
| Logic IC Type | BUS DRIVER | BUS DRIVER | BUS TRANSCEIVER | — | BUS DRIVER | — |
| Max I(ol) | 0.024 A | 0.024 A | 0.024 A | — | 0.024 A | — |
| Number of Bits | 4 | 4 | 8 | — | 4 | — |
| Number of Functions | 8 | 8 | 8 | 1 | 8 | — |
| Number of Ports | 2 | 2 | 2 | — | 2 | — |
| Output Characteristics | 3-STATE | 3-STATE | 3-STATE | — | 3-STATE | — |
| Output Polarity | TRUE | TRUE | TRUE | — | INVERTED | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | DIP20,.3 | DIP20,.3 | DIP20,.3 | — | DIP20,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | — |
| Package Style | IN-LINE | IN-LINE | IN-LINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | IN-LINE | — |
| Packing Method | TUBE | TUBE | TUBE | — | TUBE | — |
| Power Supply Current-Max (ICC) | 50 mA | 50 mA | 95 mA | — | 50 mA | — |
| Prop. Delay@Nom-Sup | 18 ns | 18 ns | 12 ns | — | 18 ns | — |
| Propagation Delay (tpd) | 18 ns | 18 ns | 12 ns | — | 18 ns | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | — |
| Supply Voltage-Max (Vsup) | 5.25 V | 5.25 V | 5.25 V | 6.5 V | 5.25 V | — |
| Supply Voltage-Min (Vsup) | 4.75 V | 4.75 V | 4.75 V | 1.8 V | 4.75 V | — |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | — |
| Surface Mount | NO | NO | NO | YES | NO | — |
| Technology | TTL | TTL | TTL | — | TTL | — |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | AUTOMOTIVE | COMMERCIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | NO LEAD | THROUGH-HOLE | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 0.65 mm | 2.54 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | — |
| ## SN74LS244NE4 Alternates Showing results | Image | — | — | — | — | — |
| ## SN74LS244N Alternates Showing results | — | Image | — | — | — | — |
| Additional Feature | — | — | WITH DIRECTION CONTROL | — | — | — |
| Schmitt Trigger | — | — | NO | — | — | — |
| ## SN74LS245N Alternates Showing results | — | — | Image | — | — | — |
| Date Of Intro | — | — | — | 2018-08-01 | — | — |
| Adjustable Threshold | — | — | — | NO | — | — |
| Analog IC - Other Type | — | — | — | WATCHDOG TIMER | — | — |
| Number of Channels | — | — | — | 1 | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | — | — |
| Screening Level | — | — | — | AEC-Q100 | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | — | — |
| ## TPS3431SQDRBRQ1 Alternates Showing results | — | — | — | Image | — | — |
| ## SN74LS240N Alternates Showing results | — | — | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for SN74LS244NE4 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 SN74LS244NE4 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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What is equivalent to SN74LS244NE4?
Known equivalents for SN74LS244NE4 include SN74LS244N, SN74LS245N, TPS3431SQDRBRQ1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS244NE4?
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 SN74LS244NE4 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.