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 | LTC-4727JR | 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 | Lite-On | Cypress Semiconductor | Molex | Diodes Inc. | Molex | Texas Instruments | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Dual-In-Line 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 | 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 | $1.7363 | $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 | In Stock |
| Lifecycle | ACTIVE | 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 | 12 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 | 5 | — | 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 | — | — | — | — | — | — | — | — | — | — | — | — |
| Optoelectronic Device Type | — | 7 SEG NUMERIC LED DISPLAY | — | — | — | — | — | — | — | — | — | — | — |
| 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 12 alternatives for PIC18F45K40-I/PT — response within 24 hours.
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RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
64KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT, CRC/Scan,
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
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 LTC-4727JR, S25FL128SAGMFI003, 73137-5003. 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.