PIC18F45K40-I/PTAlternatives & Equivalent Parts
About PIC18F45K40-I/PT
PIC18F45K40-I/PT is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat 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 | PIC18F45K40-I/PTSource | S25FL128SAGMFI003 | 73137-5003 | B0540WS-7 | 48405-0003 | UA741CPSR | PIC18F45K40T-I/PT | PIC18F45K20-I/PT | PIC18F47K40-I/PT | PIC18F46K40-I/PT | PIC18F46K20-I/PT | PIC18F44K20-I/PT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Cypress Semiconductor | Molex | Diodes Inc. | Molex | Texas Instruments | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Small Outline Packages | Other | Small Outline Diode | Other | Small Outline Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 16 | 4 | 2 | 9 | 8 | 44 | 44 | 44 | 44 | 44 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | — | — | -40.0°C ~ 125.0°C | — | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.6899 | $2.2715 | $1.9800 | $0.0630 | $1.2222 | $0.1789 | $1.5200 | $2.1960 | $1.7300 | $1.5200 | $2.6900 | $2.0000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Manufacturer Package Code | TQFP-44 | — | — | — | — | — | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 |
| Factory Lead Time | 6 Weeks | — | 10 Weeks | — | 16 Weeks | — | 6 Weeks | 7 Weeks | 6 Weeks | 6 Weeks | 3 Weeks | 6 Weeks |
| Date Of Intro | 2016-09-15 | — | — | — | — | — | 2016-09-15 | — | 2016-09-15 | 2016-09-15 | — | — |
| YTEOL | 19 | — | 7.55 | 6.08 | 8.47 | 15 | 19 | 8 | 19 | 19 | 8 | 8 |
| Has ADC | YES | — | — | — | — | — | YES | YES | YES | YES | YES | YES |
| Additional Feature | IT ALSO OPERATES AT 2.5V MIN AT 32 MHZ AND 2.3V MIN AT 16 MHZ | — | 75 OHM ALSO AVAILABLE, LOW PROFILE | UL RECOGNIZED | SHIELDED | — | IT ALSO OPERATES AT 2.5V MIN AT 32 MHZ AND 2.3V MIN AT 16 MHZ | ALSO OPERATES AT 1.8V MIN SUPPLY FOR 16 MHZ AND OPERATES AT 2V FOR 20 MHZ | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ | IT ALSO OPERATES AT 2.5V MIN AT 32 MHZ AND 2.3V MIN AT 16 MHZ | ALSO OPERATES AT 1.8V MIN SUPPLY FOR 16 MHZ AND OPERATES AT 2V FOR 20 MHZ | ALSO OPERATES AT 1.8V MIN SUPPLY FOR 16 MHZ AND OPERATES AT 2V FOR 20 MHZ |
| Bit Size | 8 | — | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 8 |
| Boundary Scan | NO | — | — | — | — | — | NO | NO | NO | NO | NO | NO |
| CPU Family | PIC18 | — | — | — | — | — | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 |
| Clock Frequency-Max | 64 MHz | — | — | — | — | — | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| DAC Channels | YES | — | — | — | — | — | YES | NO | YES | YES | NO | NO |
| DMA Channels | NO | — | — | — | — | — | NO | NO | NO | NO | NO | NO |
| Format | FIXED POINT | — | — | — | — | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | — | — | — | — | — | NO | NO | NO | NO | NO | NO |
| JESD-30 Code | S-PQFP-G44 | — | — | R-PDSO-G2 | — | R-PDSO-G8 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 |
| JESD-609 Code | e3 | — | — | e3 | e3 | e4 | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | — | — | — | — | — | YES | YES | YES | YES | YES | YES |
| Number of External Interrupts | 3 | — | — | — | — | — | 3 | 3 | 3 | 3 | 3 | 3 |
| Number of I/O Lines | 36 | — | — | — | — | — | 36 | 36 | 36 | 36 | 36 | 36 |
| Number of Timers | 9 | — | — | — | — | — | 9 | 6 | 12 | 9 | 6 | 6 |
| On Chip Program ROM Width | 8 | — | — | — | — | — | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | — | — | — | — | — | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | — | — | — | — | SOP8,.3 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE | — | — | RECTANGULAR | — | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | — | — | SMALL OUTLINE | — | SMALL OUTLINE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | — | — | 260 | — | 260 | 260 | 260 | — | 260 | 260 | 260 |
| RAM (bytes) | 2048 | — | — | — | — | — | 2048 | 1536 | 3615 | 3720 | 3936 | 768 |
| RAM (words) | 16384 | — | — | — | — | — | 16384 | — | — | 32768 | — | — |
| ROM (words) | 32768 | — | — | — | — | — | 32768 | 32768 | 131072 | 65536 | 65536 | 16384 |
| ROM Programmability | FLASH | — | — | — | — | — | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Screening Level | TS 16949 | — | — | — | — | — | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 |
| Speed | 64 MHz | — | — | — | — | — | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Supply Voltage-Max | 5.5 V | — | — | — | — | — | 5.5 V | 3.6 V | 5.5 V | 5.5 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 3 V | — | — | — | — | — | 3 V | 3 V | 1.8 V | 3 V | 3 V | 3 V |
| Supply Voltage-Nom | 3.3 V | — | — | — | — | — | 3.3 V | 3.3 V | 3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | — | — | YES | — | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | — | — | SCHOTTKY | — | BIPOLAR | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | — | — | — | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | — | — | MATTE TIN | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | — | — | GULL WING | — | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | — | — | — | — | 1.27 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | — | — | DUAL | — | DUAL | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | 30 | — | 30 | 30 | — | — | 30 | 40 | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## PIC18F45K40-I/PT Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — |
| Body Breadth | — | — | 0.52 inch | — | — | — | — | — | — | — | — | — |
| Body Depth | — | — | 1.385 inch | — | — | — | — | — | — | — | — | — |
| Body Length | — | — | 0.581 inch | — | — | — | — | — | — | — | — | — |
| Body/Shell Style | — | — | RECEPTACLE | — | — | — | — | — | — | — | — | — |
| Characteristic Impedance | — | — | 50 Ω | — | — | — | — | — | — | — | — | — |
| Connector Type | — | — | RF BNC CONNECTOR | — | USB CONNECTOR | — | — | — | — | — | — | — |
| Contact Finish Mating | — | — | NOT SPECIFIED | — | NOT SPECIFIED | — | — | — | — | — | — | — |
| Contact Gender | — | — | FEMALE | — | FEMALE | — | — | — | — | — | — | — |
| Contact Material | — | — | NOT SPECIFIED | — | NOT SPECIFIED | — | — | — | — | — | — | — |
| Contact Resistance | — | — | 1.5 mΩ | — | — | — | — | — | — | — | — | — |
| Contact Style | — | — | COAX | — | — | — | — | — | — | — | — | — |
| Coupling Type | — | — | BAYONET | — | — | — | — | — | — | — | — | — |
| DIN Conformance | — | — | NO | — | NO | — | — | — | — | — | — | — |
| Dielectric Withstanding Voltage | — | — | 2100VAC V | — | — | — | — | — | — | — | — | — |
| Durability | — | — | 500 Cycles | — | — | — | — | — | — | — | — | — |
| Filter Feature | — | — | NO | — | NO | — | — | — | — | — | — | — |
| IEC Conformance | — | — | NO | — | NO | — | — | — | — | — | — | — |
| Insertion Loss | — | — | 0.2 dB | — | — | — | — | — | — | — | — | — |
| Insulation Resistance | — | — | 5000000000 Ω | — | — | — | — | — | — | — | — | — |
| Insulator Color | — | — | BLACK | — | — | — | — | — | — | — | — | — |
| Insulator Material | — | — | POLYPROPYLENE | — | GLASS FILLED POLYETHYLENE | — | — | — | — | — | — | — |
| MIL Conformance | — | — | NO | — | NO | — | — | — | — | — | — | — |
| Mating Information | — | — | MULTIPLE MATING PARTS AVAILABLE | — | — | — | — | — | — | — | — | — |
| Mounting Option 1 | — | — | LOCKING | — | — | — | — | — | — | — | — | — |
| Mounting Style | — | — | RIGHT ANGLE | — | RIGHT ANGLE | — | — | — | — | — | — | — |
| Mounting Type | — | — | BOARD AND PANEL | — | BOARD | — | — | — | — | — | — | — |
| Number of Ports | — | — | 1 | — | — | — | — | — | — | — | — | — |
| Operating Frequency-Max | — | — | 4 GHz | — | — | — | — | — | — | — | — | — |
| Option | — | — | GENERAL PURPOSE | — | GENERAL PURPOSE | — | — | — | — | — | — | — |
| Panel Mount | — | — | YES | — | — | — | — | — | — | — | — | — |
| Reference Standard | — | — | UL, CSA | UL RECOGNIZED | — | — | — | — | — | — | — | — |
| Shell Finish | — | — | NICKEL | — | NICKEL | — | — | — | — | — | — | — |
| Shell Material | — | — | ZINC ALLOY | — | STAINLESS STEEL | — | — | — | — | — | — | — |
| Terminal Length | — | — | 0.163 inch | — | — | — | — | — | — | — | — | — |
| Termination Type | — | — | SOLDER | — | SOLDER | — | — | — | — | — | — | — |
| Total Number of Contacts | — | — | 1 | — | 9 | — | — | — | — | — | — | — |
| VSWR | — | — | 1.3 | — | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | Yes | — | Yes | — | Yes | — | — | Yes | Yes |
| Application | — | — | — | GENERAL PURPOSE | — | — | — | — | — | — | — | — |
| Configuration | — | — | — | SINGLE | — | — | — | — | — | — | — | — |
| Diode Element Material | — | — | — | SILICON | — | — | — | — | — | — | — | — |
| Diode Type | — | — | — | RECTIFIER DIODE | — | — | — | — | — | — | — | — |
| Forward Voltage-Max (VF) | — | — | — | 0.3 V | — | — | — | — | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | — | — | 3 A | — | — | — | — | — | — | — | — |
| Number of Elements | — | — | — | 1 | — | — | — | — | — | — | — | — |
| Number of Phases | — | — | — | 1 | — | — | — | — | — | — | — | — |
| Output Current-Max | — | — | — | 0.5 A | — | — | — | — | — | — | — | — |
| Power Dissipation-Max | — | — | — | 0.235 W | — | — | — | — | — | — | — | — |
| Qualification Status | — | — | — | Not Qualified | — | Not Qualified | — | Not Qualified | — | — | Not Qualified | Not Qualified |
| Rep Pk Reverse Voltage-Max | — | — | — | 40 V | — | — | — | — | — | — | — | — |
| Contact Finish Termination | — | — | — | — | Tin (Sn) | — | — | — | — | — | — | — |
| Empty Shell | — | — | — | — | NO | — | — | — | — | — | — | — |
| Mixed Contacts | — | — | — | — | NO | — | — | — | — | — | — | — |
| UL Flammability Code | — | — | — | — | 94-HB | — | — | — | — | — | — | — |
| Amplifier Type | — | — | — | — | — | OPERATIONAL AMPLIFIER | — | — | — | — | — | — |
| Architecture | — | — | — | — | — | VOLTAGE-FEEDBACK | — | — | — | — | — | — |
| Average Bias Current-Max (IIB) | — | — | — | — | — | 0.8 µA | — | — | — | — | — | — |
| Bias Current-Max (IIB) @25C | — | — | — | — | — | 0.5 µA | — | — | — | — | — | — |
| Common-mode Reject Ratio-Min | — | — | — | — | — | 70 dB | — | — | — | — | — | — |
| Common-mode Reject Ratio-Nom | — | — | — | — | — | 90 dB | — | — | — | — | — | — |
| Frequency Compensation | — | — | — | — | — | YES | — | — | — | — | — | — |
| Input Offset Current-Max (IIO) | — | — | — | — | — | 0.2 µA | — | — | — | — | — | — |
| Input Offset Voltage-Max | — | — | — | — | — | 5000 µV | — | — | — | — | — | — |
| Low-Bias | — | — | — | — | — | NO | — | — | — | — | — | — |
| Low-Offset | — | — | — | — | — | NO | — | — | — | — | — | — |
| Micropower | — | — | — | — | — | NO | — | — | — | — | — | — |
| Neg Supply Voltage Limit-Max | — | — | — | — | — | -18 V | — | — | — | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | — | — | — | — | — | -15 V | — | — | — | — | — | — |
| Number of Functions | — | — | — | — | — | 1 | — | — | — | — | — | — |
| Packing Method | — | — | — | — | — | TR | — | — | — | — | — | — |
| Power | — | — | — | — | — | NO | — | — | — | — | — | — |
| Programmable Power | — | — | — | — | — | NO | — | — | — | — | — | — |
| Slew Rate-Nom | — | — | — | — | — | 0.5 V/us | — | — | — | — | — | — |
| Subcategory | — | — | — | — | — | Operational Amplifier | — | — | — | — | — | — |
| Supply Current-Max | — | — | — | — | — | 2.8 mA | — | 15 mA | 9.5 mA | — | 15 mA | 15 mA |
| Supply Voltage Limit-Max | — | — | — | — | — | 18 V | — | — | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | — | 15 V | — | — | — | — | — | — |
| Unity Gain BW-Nom | — | — | — | — | — | 1000 | — | — | — | — | — | — |
| Voltage Gain-Min | — | — | — | — | — | 20000 | — | — | — | — | — | — |
| Wideband | — | — | — | — | — | NO | — | — | — | — | — | — |
| ## UA741CPSR Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — | — |
| Number of Serial I/Os | — | — | — | — | — | — | — | 1 | 2 | — | 1 | 1 |
| On Chip Data RAM Width | — | — | — | — | — | — | — | 8 | 8 | — | 8 | 8 |
| Reach Compliance Code | — | — | — | — | — | — | — | — | Compliant | Compliant | — | — |
| ## PIC18F46K40-I/PT Alternates Showing results | — | — | — | — | — | — | — | — | — | Image | — | — |
| ## PIC18F44K20-I/PT Alternates Showing results | — | — | — | — | — | — | — | — | — | — | — | Image |
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 11 alternatives for PIC18F45K40-I/PT — response within 24 hours.
Quick Links
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Why Look for Alternatives?
Finding alternatives for PIC18F45K40-I/PT 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 PIC18F45K40-I/PT 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 PIC18F45K40-I/PT?
Known equivalents for PIC18F45K40-I/PT include S25FL128SAGMFI003, 73137-5003, B0540WS-7. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC18F45K40-I/PT?
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 PIC18F45K40-I/PT 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.