SN74ALS161BNAlternatives & Equivalent Parts
About SN74ALS161BN
SN74ALS161BN 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.
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Specification Comparison
| Parameter | SN74ALS161BNSource | SN74ALS169BN | SN74ALS163BN | SN74ALS161BNSR | SN74ALS169BD | SN74ALS163BD |
|---|---|---|---|---|---|---|
| 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 Packages | — | Other |
| Pin Count | 16 | 16 | 16 | 16 | — | 16 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | — | ~ 70.0°C |
| Price | $0.6200 | $0.4494 | $0.5291 | $0.8050 | $1.2300 | $0.6684 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | — | OBSOLETE |
| Electrical Parameters | ||||||
| YTEOL | 15 | 15 | 15 | 15 | — | 0 |
| Additional Feature | TCO OUTPUT | TCO OUTPUT | TCO OUTPUT | TCO OUTPUT | — | TCO OUTPUT |
| Count Direction | UP | BIDIRECTIONAL | UP | UP | — | UP |
| Family | ALS | ALS | ALS | ALS | — | ALS |
| JESD-30 Code | R-PDIP-T16 | R-PDIP-T16 | R-PDIP-T16 | R-PDSO-G16 | — | R-PDSO-G16 |
| JESD-609 Code | e4 | e4 | e4 | e4 | — | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | 50 pF | 50 pF | — | 50 pF |
| Load/Preset Input | YES | YES | YES | YES | — | YES |
| Logic IC Type | BINARY COUNTER | BINARY COUNTER | BINARY COUNTER | BINARY COUNTER | — | BINARY COUNTER |
| Max Frequency@Nom-Sup | 40000000 Hz | 40000000 Hz | 40000000 Hz | 40000000 Hz | — | 40000000 Hz |
| Max I(ol) | 0.008 A | 0.008 A | 0.008 A | 0.008 A | — | 0.008 A |
| Mode of Operation | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | — | SYNCHRONOUS |
| Number of Bits | 4 | 4 | 4 | 4 | — | 4 |
| Number of Functions | 1 | 1 | 1 | 1 | — | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | DIP16,.3 | SOP16,.3 | — | SOP16,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | SMALL OUTLINE | — | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TUBE | TR | — | TUBE |
| Power Supply Current-Max (ICC) | 21 mA | 25 mA | 21 mA | 21 mA | — | 21 mA |
| Prop. Delay@Nom-Sup | 20 ns | 20 ns | 20 ns | 20 ns | — | 20 ns |
| Propagation Delay (tpd) | 20 ns | 20 ns | 20 ns | 20 ns | — | 20 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5 V | 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 | — | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | — | 5 V |
| Surface Mount | NO | NO | NO | YES | — | YES |
| Technology | TTL | TTL | TTL | TTL | — | TTL |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | — | 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 | GULL WING | — | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 1.27 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — | DUAL |
| Trigger Type | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | — | POSITIVE EDGE |
| fmax-Min | 40 MHz | 40 MHz | 40 MHz | 40 MHz | — | 40 MHz |
| Pbfree Code | — | Yes | — | Yes | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | — | 30 |
| Reach Compliance Code | — | — | — | — | — | Compliant |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for SN74ALS161BN — response within 24 hours.
Quick Links
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDIP16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16
Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74ALS161BN 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 SN74ALS161BN 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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FAQ
What is equivalent to SN74ALS161BN?
Known equivalents for SN74ALS161BN include SN74ALS169BN, SN74ALS163BN, SN74ALS161BNSR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74ALS161BN?
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 SN74ALS161BN 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.