Alternatives to onsemi MC74F161ADR2
onsemi MC74F161ADR2 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 MC74F161ADR2onsemi |  SN74F161ADRTexas Instruments |  CD74ACT161M96Texas Instruments | +2more | |
|---|---|---|---|---|
| FFF Compatibility | Both devices share the same 16-pin SOIC footprint with identical pin assignments (VCC, GND, and logical signals).Both are standard narrow-body SOIC-16 surface mount packages with a 0.154" (3.90mm) body width.Both parts utilize Fast TTL (74F) technology with a 100 MHz count rate, TTL-compatible input levels, and asynchronous reset. | The pin assignments of the 74ACT161 series perfectly match the original 74F161 in the SOIC-16 footprint.Uses the exact same SOIC-16 (0.154" width) package and SMD mounting style.Acts as a modern high-speed CMOS replacement with TTL-compatible inputs and comparable propagation delays. | ||
 AI Summary | MC74F161ADR2 by onsemi: Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SO. | The SN74F161ADR is a direct drop-in replacement from Texas Instruments belonging to the same Fast TTL (74F) family. It maintains identical electrical characteristics, logic thresholds, and high-speed performance, requiring zero board or system modifications.
| The CD74ACT161M96 is an advanced CMOS equivalent featuring TTL-compatible inputs (ACT family). It provides a high-speed operating frequency of up to 125 MHz and drastically reduces static power consumption compared to the bipolar MC74F161A.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | Unknown | REACH | REACH | |
| RoHS | Unknown | RoHS | RoHS | |
| Description | Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SO | Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SOIC | Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SOIC | |
| Manufacturer | onsemi | Texas Instruments | Texas Instruments | |
| Type | Logic | Logic | Logic | |
| Datasheet | Open | Open | Open | |
| Lead Time | 7 days | 9 weeks | 9 weeks | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0001 | - | - | |
| Moisture Sensitivity Level | 3 (168 Hours) | - | - | |
| Reset | Asynchronous | - | - | |
| Timing | Synchronous | - | - | |
| Direction | Up | - | - | |
| Count Rate | 100 MHz | - | - | |
| Logic Type | Binary Counter | - | - | |
| Trigger Type | Positive Edge | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
| MC74HC03ADR2onsemi | In stock | Obsolete | 3Alternatives availableSee Alternatives |
 MC74ACT573DWR2onsemi | In stock | Obsolete | 3Alternatives availableSee Alternatives |
 MC74VHC157DTR2onsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 MC74HC541ADTonsemi | In stock | Obsolete | 6Alternatives availableSee Alternatives |
 MC74ACT20Donsemi | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
| MC74ACT240DWonsemi | Discontinued | Obsolete | 3Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The onsemi MC74F161ADR2 is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the onsemi MC74F161ADR2 are the SN74F161ADR (Texas Instruments) and the CD74ACT161M96 (Texas Instruments), out of 4 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 MC74F161ADR2 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 MC74F161ADR2 (onsemi) 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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