Alternatives to Texas Instruments SN74ALS245ADW
Texas Instruments SN74ALS245ADW and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 SN74ALS245ADWTexas Instruments | SN74ACT245DWRTexas Instruments |  MC74ACT245DWGonsemi | +3more | |
|---|---|---|---|---|
| FFF Compatibility | Both parts share the identical 20-SOIC package footprint with a standard 7.50mm body width and have exactly equivalent physical pinout assignments.The physical package size, outline dimensions, and surface-mount style are completely interchangeable.The 74ACT technology operates on the same 4.5V to 5.5V supply and provides TTL-compatible logic levels and higher current drive capability. | Features the identical 20-SOIC package with a 7.50mm body width and an identical pin configuration.Physical package envelope, lead pitch, and SMT package profile match exactly.Operates at 5V nominal with TTL-compatible thresholds and meets or exceeds the electrical drive performance. | ||
 AI Summary | SN74ALS245ADW by Texas Instruments: Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC. | This is the direct, manufacturer-recommended active replacement from Texas Instruments. It uses high-speed 74ACT CMOS technology with TTL-compatible inputs, providing an immediate drop-in option in the identical 20-SOIC footprint. It is supplied on Tape & Reel rather than Tubes.
| An excellent second-source equivalent from onsemi that maintains the Tube packaging format ('DWG' suffix) of the original obsolete TI part. It belongs to the same high-drive, TTL-compatible 74ACT family, ensuring seamless electrical performance.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC | Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC | Transceiver, Non-Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC | |
| Manufacturer | Texas Instruments | Texas Instruments | onsemi | |
| Type | Logic | Logic | Logic | |
| Datasheet | Open | Open | Open | |
| Lead Time | 6 weeks | 16 weeks | 11 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0070 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Logic Type | Transceiver, Non-Inverting | - | - | |
| Output Type | 3-State | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | - | - | |
| Voltage - Supply | 4.5V ~ 5.5V | - | - | |
| Number of Elements | 1 | - | - | |
| Operating Temperature | 0°C ~ 70°C (TA) | - | - | |
| Supplier Device Package | 20-SOIC | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 SN74LVC245ADWTexas Instruments | In stock | Active | 5Alternatives availableSee Alternatives |
 SN74ALS574BDWTexas Instruments | In stock | Obsolete | 3Alternatives availableSee Alternatives |
 SN74LVC4245APWTexas Instruments | In stock | Active | 5Alternatives availableSee Alternatives |
| SN74LS123Donsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 SN74LS240Nonsemi | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 SN74LS165ANTexas Instruments | In stock | Active | 5Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Texas Instruments SN74ALS245ADW is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Texas Instruments SN74ALS245ADW are the SN74ACT245DWR (Texas Instruments) and the MC74ACT245DWG (onsemi), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the SN74ALS245ADW are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The SN74ALS245ADW (Texas Instruments) is a part in the Logic category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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