CD54HC191F3AAlternatives & Equivalent Parts
About CD54HC191F3A
CD54HC191F3A is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Ceramic Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | CD54HC191F3ASource | CD74HC191E |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Ceramic Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 16 | 16 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | — | — |
| Electrical Parameters | ||
| Pbfree Code | Yes | — |
| YTEOL | 15 | 15 |
| Additional Feature | RCO OUTPUT | RCO OUTPUT |
| Count Direction | BIDIRECTIONAL | BIDIRECTIONAL |
| Family | HC/UH | HC/UH |
| JESD-30 Code | R-GDIP-T16 | R-PDIP-T16 |
| JESD-609 Code | e0 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF |
| Load/Preset Input | YES | YES |
| Logic IC Type | BINARY COUNTER | BINARY COUNTER |
| Max Frequency@Nom-Sup | 20000000 Hz | 20000000 Hz |
| Max I(ol) | 0.0052 A | 0.0052 A |
| Mode of Operation | SYNCHRONOUS | SYNCHRONOUS |
| Number of Bits | 4 | 4 |
| Number of Functions | 1 | 1 |
| Package Body Material | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE |
| Packing Method | TUBE | TUBE |
| Power Supply Current-Max (ICC) | 0.08 mA | 0.08 mA |
| Prop. Delay@Nom-Sup | 37 ns | 37 ns |
| Propagation Delay (tpd) | 255 ns | 255 ns |
| Qualification Status | Not Qualified | Not Qualified |
| Screening Level | 38535Q/M;38534H;883B | — |
| Supply Voltage-Max (Vsup) | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 4.5 V | 4.5 V |
| Surface Mount | NO | NO |
| Technology | CMOS | CMOS |
| Temperature Grade | MILITARY | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL |
| Trigger Type | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 23 MHz | 23 MHz |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16
Why Look for Alternatives?
Finding alternatives for CD54HC191F3A 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 CD54HC191F3A 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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Request Alternatives for CD54HC191F3AFAQ
What is equivalent to CD54HC191F3A?
Known equivalents for CD54HC191F3A include CD74HC191E. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of CD54HC191F3A?
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 CD54HC191F3A 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.