SN74HC191NAlternatives & Equivalent Parts
About SN74HC191N
SN74HC191N 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 | SN74HC191NSource | SN74HC191NE4 | SN74HC191DG4 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 16 | 16 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.1638 | — | $0.3000 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | |||
| YTEOL | 15 | 0 | 0 |
| Additional Feature | RCO OUTPUT | RCO OUTPUT | RCO OUTPUT |
| Count Direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| Family | HC/UH | HC/UH | HC/UH |
| JESD-30 Code | R-PDIP-T16 | R-PDIP-T16 | R-PDSO-G16 |
| JESD-609 Code | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | 50 pF |
| Load/Preset Input | YES | YES | YES |
| Logic IC Type | BINARY COUNTER | BINARY COUNTER | BINARY COUNTER |
| Max Frequency@Nom-Sup | 17000000 Hz | 17000000 Hz | 17000000 Hz |
| Max I(ol) | 0.0052 A | 0.0052 A | 0.004 A |
| Mode of Operation | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS |
| Number of Bits | 4 | 4 | 4 |
| Number of Functions | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | SOP16,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TUBE |
| Power Supply Current-Max (ICC) | 0.08 mA | 0.08 mA | 50 mA |
| Prop. Delay@Nom-Sup | 41 ns | 41 ns | 48 ns |
| Propagation Delay (tpd) | 240 ns | 240 ns | 240 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 6 V | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V |
| Surface Mount | NO | NO | YES |
| Technology | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Trigger Type | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 19 MHz | 19 MHz | 19 MHz |
| Peak Reflow Temperature (Cel) | — | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 |
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 2 alternatives for SN74HC191N — response within 24 hours.
Quick Links
Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16
Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74HC191N 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 SN74HC191N 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 SN74HC191N?
Known equivalents for SN74HC191N include SN74HC191NE4, SN74HC191DG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC191N?
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 SN74HC191N 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.