PCM1794ADBAlternatives & Equivalent Parts
About PCM1794ADB
PCM1794ADB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline 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 | PCM1794ADBSource | PCM1798DB | 74VHC164M | 74VHC04M | 74VHCT244AMTC | LM339DR | PCM1794DB | PCM1794AQDBRQ1 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | ON Semiconductor | ON Semiconductor | ON Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 28 | 28 | 14 | 14 | 20 | 14 | 28 | 28 |
| Temperature Range | -25.0°C ~ 85.0°C | -25.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | ~ 70.0°C | -25.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $3.4412 | $3.7400 | $0.1666 | $0.1500 | $0.2351 | $0.0675 | $21.7500 | $12.5000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE | ACTIVE | NOT RECOMMENDED | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| YTEOL | 15 | 15 | 0 | 0 | 0 | 15 | 3.9 | 15 |
| Converter Type | D/A CONVERTER | D/A CONVERTER | — | — | — | — | D/A CONVERTER | D/A CONVERTER |
| Input Bit Code | 2'S COMPLEMENT BINARY | 2'S COMPLEMENT BINARY | — | — | — | — | 2'S COMPLEMENT BINARY | 2'S COMPLEMENT BINARY |
| Input Format | SERIAL | SERIAL | — | — | — | — | SERIAL | SERIAL |
| JESD-30 Code | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G20 | R-PDSO-G14 | R-PDSO-G28 | R-PDSO-G28 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | e4 | e4 | e4 |
| Number of Bits | 24 | 24 | 8 | — | 4 | — | 24 | 24 |
| Number of Functions | 1 | 1 | 1 | 6 | 2 | 4 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP28,.3 | SSOP28,.3 | SOP14,.25 | SOP14,.25 | TSSOP20,.25 | SOP14,.25 | SSOP28,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| Sample Rate | 0.192 MHz | 0.192 MHz | — | — | — | — | 0.192 MHz | 0.192 MHz |
| Supply Current-Max | 40 mA | 23 mA | — | — | — | 2 mA | 40 mA | 40 mA |
| Supply Voltage-Nom | 5 V | 5 V | — | — | — | — | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | BIPOLAR | CMOS | CMOS |
| Temperature Grade | OTHER | OTHER | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | COMMERCIAL | OTHER | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 1.27 mm | 1.27 mm | 0.65 mm | 1.27 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| ## PCM1794ADB Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## PCM1798DB Alternates Showing results | — | Image | — | — | — | — | — | — |
| Manufacturer Package Code | — | — | 751EF | 751EF | 948AQ | — | — | — |
| Count Direction | — | — | RIGHT | — | UNIDIRECTIONAL | — | — | — |
| Family | — | — | AHC/VHC/H/U/V | AHC/VHC | AHCT/VHCT | — | — | — |
| Load Capacitance (CL) | — | — | 50 pF | 50 pF | 50 pF | — | — | — |
| Logic IC Type | — | — | SERIAL IN PARALLEL OUT | INVERTER | BUS DRIVER | — | — | — |
| Output Polarity | — | — | TRUE | — | TRUE | — | — | — |
| Propagation Delay (tpd) | — | — | 18.5 ns | 12 ns | 9.5 ns | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | 5.5 V | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 2 V | 2 V | 4.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | 5 V | 5 V | 5 V | — | — |
| Trigger Type | — | — | POSITIVE EDGE | — | — | — | — | — |
| fmax-Min | — | — | 105 MHz | — | — | — | — | — |
| Max I(ol) | — | — | — | 0.008 A | 0.008 A | — | — | — |
| Number of Inputs | — | — | — | 1 | — | — | — | — |
| Power Supply Current-Max (ICC) | — | — | — | 0.02 mA | 75 mA | — | — | — |
| Prop. Delay@Nom-Sup | — | — | — | 8.5 ns | 9.5 ns | — | — | — |
| Schmitt Trigger | — | — | — | NO | — | — | — | — |
| Factory Lead Time | — | — | — | — | 4 Weeks | — | — | — |
| Control Type | — | — | — | — | ENABLE LOW | — | — | — |
| Number of Ports | — | — | — | — | 2 | — | — | — |
| Output Characteristics | — | — | — | — | 3-STATE | — | — | — |
| Packing Method | — | — | — | — | RAIL | TR | — | — |
| Amplifier Type | — | — | — | — | — | COMPARATOR | — | — |
| Average Bias Current-Max (IIB) | — | — | — | — | — | 0.4 µA | — | — |
| Bias Current-Max (IIB) @25C | — | — | — | — | — | 0.05 µA | — | — |
| Input Offset Voltage-Max | — | — | — | — | — | 5000 µV | — | — |
| Output Type | — | — | — | — | — | OPEN-COLLECTOR; OPEN-DRAIN | — | — |
| Response Time-Nom | — | — | — | — | — | 1300 ns | — | — |
| Supply Voltage Limit-Max | — | — | — | — | — | 36 V | — | — |
| ## LM339DR Alternates Showing results | — | — | — | — | — | Image | — | — |
| Screening Level | — | — | — | — | — | — | — | AEC-Q100 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for PCM1794ADB 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 PCM1794ADB 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 PCM1794ADB?
Known equivalents for PCM1794ADB include PCM1798DB, 74VHC164M, 74VHC04M. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PCM1794ADB?
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 PCM1794ADB 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.