SN74AC245DWAlternatives & Equivalent Parts
About SN74AC245DW
SN74AC245DW 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.
Specification Comparison
| Parameter | SN74AC245DWSource | CD74AC245M | ADUM1251ARZ | STMPS2141STR | LM2940IMP-5.0/NOPB | PTH08080WAH | ADS7843E | SN74AC245NS |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Analog Devices | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT23 (5-Pin) | SOT223 (3-Pin) | Other | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 | 8 | 5 | 4 | 5 | 16 | 20 |
| Temperature Range | -40.0°C ~ 85.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.3125 | $0.5275 | $2.7000 | — | $1.3230 | $7.2000 | $0.8035 | $0.3613 |
| Electrical Parameters | ||||||||
| YTEOL | 0 | 0 | 10 | 7.3 | 15 | 15 | 1 | 0 |
| Control Type | COMMON CONTROL | COMMON CONTROL | — | — | — | — | — | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL | BIDIRECTIONAL | — | — | — | — | — | BIDIRECTIONAL |
| Family | AC | AC | — | — | — | — | — | AC |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G8 | R-PDSO-G5 | R-PDSO-G4 | R-PDMA-T5 | R-PDSO-G16 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | e3 | e4 | e3 | e3 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | — | — | — | — | — | 50 pF |
| Logic IC Type | BUS TRANSCEIVER | BUS TRANSCEIVER | — | — | — | — | — | BUS TRANSCEIVER |
| Max I(ol) | 0.024 A | 0.024 A | — | — | — | — | — | 0.024 A |
| Number of Bits | 8 | 8 | — | — | — | — | 12 | 8 |
| Number of Functions | 8 | 8 | 1 | 1 | 1 | 1 | 1 | 8 |
| Number of Ports | 2 | 2 | — | — | — | — | — | 2 |
| Output Characteristics | 3-STATE | 3-STATE | — | — | — | — | — | 3-STATE |
| Output Polarity | TRUE | TRUE | — | — | — | — | — | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 | SOP20,.4 | SOP8,.25 | TSOP5/6,.11,37 | SOT-223 | — | SSOP16,.25 | SOP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | MICROELECTRONIC ASSEMBLY | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | — | — | TR | — | — | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | — | 260 | — |
| Power Supply Current-Max (ICC) | 0.04 mA | 0.16 mA | — | — | — | — | — | 0.04 mA |
| Prop. Delay@Nom-Sup | 7 ns | 11.9 ns | — | — | — | — | — | 7 ns |
| Propagation Delay (tpd) | 9 ns | 106 ns | — | — | — | — | — | 9 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | — |
| Schmitt Trigger | NO | NO | — | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | 6 V | 5.5 V | — | 5.5 V | — | — | — | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 1.5 V | — | 2.7 V | — | — | — | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | 5 V | — | — | — | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | NO | YES | YES |
| Technology | CMOS | CMOS | CMOS | — | BIPOLAR | HYBRID | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | MILITARY | INDUSTRIAL | — | — | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 0.95 mm | 2.3 mm | — | 0.635 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | 30 | — | 30 | — |
| ## SN74AC245DW Alternates Showing results | Image | — | — | — | — | — | — | — |
| Additional Feature | — | WITH DIRECTION CONTROL | — | — | — | OPERATES IN ADJUSTABLE MODE FROM 0.9 TO 18V | — | — |
| Pbfree Code | — | — | No | — | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | — | — | R-8 | — | — | — | — | — |
| Interface IC Type | — | — | DIGITAL ISOLATOR | — | — | — | — | — |
| Supply Voltage-Max | — | — | 5.5 V | — | — | — | — | — |
| Supply Voltage-Min | — | — | 3 V | — | — | — | — | — |
| Supply Voltage-Nom | — | — | 3.3 V | — | — | — | 2.7 V | — |
| ## ADUM1251ARZ Alternates Showing results | — | — | Image | — | — | — | — | — |
| Factory Lead Time | — | — | — | 14 Weeks | — | — | — | — |
| Adjustable Threshold | — | — | — | NO | — | — | — | — |
| Analog IC - Other Type | — | — | — | LOAD SWITCH | — | SWITCHING REGULATOR | — | — |
| Number of Channels | — | — | — | 1 | — | — | — | — |
| Adjustability | — | — | — | — | FIXED | — | — | — |
| Dropout Voltage1-Max | — | — | — | — | 1 V | — | — | — |
| Dropout Voltage1-Nom | — | — | — | — | 0.5 V | — | — | — |
| Input Voltage Absolute-Max | — | — | — | — | 60 V | — | — | — |
| Input Voltage-Max | — | — | — | — | 26 V | 18 V | — | — |
| Input Voltage-Min | — | — | — | — | 6.25 V | 4.5 V | — | — |
| Line Regulation-Max | — | — | — | — | 0.05% | — | — | — |
| Load Regulation-Max | — | — | — | — | 0.08% | — | — | — |
| Number of Outputs | — | — | — | — | 1 | 1 | — | — |
| Operating Temperature TJ-Max | — | — | — | — | 85 °C | — | — | — |
| Operating Temperature TJ-Min | — | — | — | — | -40 °C | — | — | — |
| Output Current1-Max | — | — | — | — | 1 A | — | — | — |
| Output Voltage1-Max | — | — | — | — | 5.25 V | — | — | — |
| Output Voltage1-Min | — | — | — | — | 4.75 V | — | — | — |
| Output Voltage1-Nom | — | — | — | — | 5 V | — | — | — |
| Regulator Type | — | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — |
| Voltage Tolerance-Max | — | — | — | — | 5% | — | — | — |
| ## LM2940IMP-5.0/NOPB Alternates Showing results | — | — | — | — | Image | — | — | — |
| Control Mode | — | — | — | — | — | VOLTAGE-MODE | — | — |
| Input Voltage-Nom | — | — | — | — | — | 12 V | — | — |
| Output Current-Max | — | — | — | — | — | 2.25 A | — | — |
| Output Voltage-Max | — | — | — | — | — | 5.5 V | — | — |
| Output Voltage-Min | — | — | — | — | — | 0.9 V | — | — |
| Output Voltage-Nom | — | — | — | — | — | 3.3 V | — | — |
| Switcher Configuration | — | — | — | — | — | BUCK | — | — |
| Switching Frequency-Max | — | — | — | — | — | 300 kHz | — | — |
| Analog Input Voltage-Max | — | — | — | — | — | — | 5 V | — |
| Conversion Time-Max | — | — | — | — | — | — | 6 µs | — |
| Converter Type | — | — | — | — | — | — | ADC, SUCCESSIVE APPROXIMATION | — |
| Linearity Error-Max (EL) | — | — | — | — | — | — | 0.0488% | — |
| Number of Analog In Channels | — | — | — | — | — | — | 4 | — |
| Output Bit Code | — | — | — | — | — | — | BINARY | — |
| Output Format | — | — | — | — | — | — | SERIAL | — |
| Sample Rate | — | — | — | — | — | — | 0.125 MHz | — |
| Sample and Hold / Track and Hold | — | — | — | — | — | — | SAMPLE | — |
| Supply Current-Max | — | — | — | — | — | — | 0.65 mA | — |
| ## ADS7843E 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 SN74AC245DW 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 SN74AC245DW 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 SN74AC245DW?
Known equivalents for SN74AC245DW include CD74AC245M, ADUM1251ARZ, STMPS2141STR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74AC245DW?
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 SN74AC245DW 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.