PIC18F46K40-I/PTAlternatives & Equivalent Parts
About PIC18F46K40-I/PT
PIC18F46K40-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 | PIC18F46K40-I/PTSource | PIC18LF46K40-I/PT | LM2595S-5.0/NOPB | PIC18F46K40-I/P | LM2575SX-12/NOPB | LM2575S-12/NOPB | LM2575S-5.0 | PIC18F46K20-I/PT | PIC18F47K40-I/PT | PIC18F45K40-I/PT | PIC18F46K42-I/PT |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments | Microchip | Texas Instruments | Texas Instruments | Texas Instruments | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | TO-XXX (Inc. DPAK) | Dual-In-Line Packages | Other | TO-XXX (Inc. DPAK) | Other | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 44 | 4 | 40 | 4 | 4 | 4 | 44 | 44 | 44 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°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 | $1.5200 | $1.5900 | $0.7904 | $1.9700 | $1.4020 | $1.8635 | $0.2619 | $2.6900 | $1.7300 | $1.6899 | $1.8600 |
| 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 | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||||
| Manufacturer Package Code | TQFP-44 | TQFP-44 | — | PDIP-40 | — | — | — | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 |
| Reach Compliance Code | Compliant | — | — | — | — | — | — | — | Compliant | — | — |
| Factory Lead Time | 6 Weeks | 6 Weeks | — | 6 Weeks | — | — | — | 3 Weeks | 6 Weeks | 6 Weeks | 6 Weeks |
| Date Of Intro | 2016-09-15 | 2016-09-15 | — | 2016-09-15 | — | — | 1995-01-01 | — | 2016-09-15 | 2016-09-15 | 2017-06-16 |
| YTEOL | 19 | 18 | 15 | 19 | 15 | 15 | 0 | 8 | 19 | 19 | 18 |
| 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 | IT ALSO OPERATES AT 2.5V MIN AT 32 MHZ AND 1.8V MIN AT 16 MHZ | — | IT ALSO OPERATES AT 2.5V MIN AT 32 MHZ AND 2.3V MIN AT 16 MHZ | CAN ALSO CONFIGURED AS BUCK BOOST REGULATOR | CAN ALSO CONFIGURED AS BUCK BOOST REGULATOR | CAN ALSO CONFIGURED AS BUCK BOOST REGULATOR | 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 | — |
| 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 | — | YES | — | — | — | NO | YES | YES | YES |
| DMA Channels | NO | NO | — | NO | — | — | — | NO | NO | NO | YES |
| 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 | S-PQFP-G44 | R-PSSO-G5 | R-PDIP-T40 | R-PSSO-G5 | R-PSSO-G5 | R-PSSO-G5 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e0 | 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 | — | 9 | — | — | — | 6 | 12 | 9 | 7 |
| On Chip Program ROM Width | 8 | 16 | — | 8 | — | — | — | 8 | 8 | 8 | 16 |
| 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 | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | SMSIP5H,.6,67TB | DIP40,.6 | SMSIP5H,.6,67TB | SMSIP5H,.6,67TB | SMSIP5H,.6,67TB | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 245 | — | 245 | 245 | 235 | 260 | — | 260 | — |
| RAM (bytes) | 3720 | 3720 | — | 3720 | — | — | — | 3936 | 3615 | 2048 | 4096 |
| RAM (words) | 32768 | 32768 | — | 32768 | — | — | — | — | — | 16384 | 4096 |
| ROM (words) | 65536 | — | — | 65536 | — | — | — | 65536 | 131072 | 32768 | 32768 |
| ROM Programmability | FLASH | FLASH | — | FLASH | — | — | — | FLASH | FLASH | FLASH | FLASH |
| Screening Level | 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 | 3.6 V | — | 5.5 V | — | — | — | 3.6 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 3 V | 3 V | — | 3 V | — | — | — | 3 V | 1.8 V | 3 V | 3 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | — | 3.3 V | — | — | — | 3.3 V | 3 V | 3.3 V | 3 V |
| Surface Mount | YES | YES | YES | NO | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | — | CMOS | — | — | — | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | 1.7 mm | 2.54 mm | 1.7 mm | 1.7 mm | 1.7 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | SINGLE | DUAL | SINGLE | SINGLE | SINGLE | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | 30 | 30 | NOT SPECIFIED | 40 | — | 30 | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## PIC18F46K40-I/PT Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | Yes | — | Yes | Yes | Yes | Yes | — | — | — |
| Analog IC - Other Type | — | — | SWITCHING REGULATOR | — | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | — | — | — | — |
| Control Mode | — | — | VOLTAGE-MODE | — | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE | — | — | — | — |
| Control Technique | — | — | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Max | — | — | 40 V | — | 40 V | 40 V | 40 V | — | — | — | — |
| Input Voltage-Min | — | — | 4.5 V | — | 4 V | 4 V | 4 V | — | — | — | — |
| Input Voltage-Nom | — | — | 12 V | — | 25 V | 25 V | 12 V | — | — | — | — |
| Number of Functions | — | — | 1 | — | 1 | 1 | 1 | — | — | — | — |
| Number of Outputs | — | — | 1 | — | 1 | 1 | 1 | — | — | — | — |
| Output Current-Max | — | — | 1 A | — | 1 A | 1 A | 1 A | — | — | — | — |
| Output Voltage-Max | — | — | 37 V | — | 37 V | 37 V | 37 V | — | — | — | — |
| Output Voltage-Min | — | — | 3.3 V | — | 3.3 V | 3.3 V | 3.3 V | — | — | — | — |
| Output Voltage-Nom | — | — | 5 V | — | 12 V | 12 V | 5 V | — | — | — | — |
| Qualification Status | — | — | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — | — |
| Switcher Configuration | — | — | BUCK | — | BUCK | BUCK | BUCK | — | — | — | — |
| Switching Frequency-Max | — | — | 173 kHz | — | 63 kHz | 63 kHz | 63 kHz | — | — | — | — |
| ## LM2595S-5.0/NOPB Alternates Showing results | — | — | Image | — | — | — | — | — | — | — | — |
| ## PIC18F46K40-I/P Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — |
| ## LM2575SX-12/NOPB Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — |
| ## LM2575S-12/NOPB Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — |
| ## LM2575S-5.0 Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — |
| Number of Serial I/Os | — | — | — | — | — | — | — | 1 | 2 | — | 2 |
| On Chip Data RAM Width | — | — | — | — | — | — | — | 8 | 8 | — | 8 |
| Supply Current-Max | — | — | — | — | — | — | — | 15 mA | 9.5 mA | — | 18 mA |
| ## PIC18F45K40-I/PT Alternates Showing results | — | — | — | — | — | — | — | — | — | Image | — |
| Number of DMA Channels | — | — | — | — | — | — | — | — | — | — | 2 |
| ## PIC18F46K42-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 10 alternatives for PIC18F46K40-I/PT — response within 24 hours.
Quick Links
Microchip Technology Inc 64KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT, CRC/Scan,
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
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 PIC18F46K40-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 PIC18F46K40-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 PIC18F46K40-I/PT?
Known equivalents for PIC18F46K40-I/PT include PIC18LF46K40-I/PT, LM2595S-5.0/NOPB, PIC18F46K40-I/P. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC18F46K40-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 PIC18F46K40-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.