PIC18F27K40-E/SSAlternatives & Equivalent Parts
About PIC18F27K40-E/SS
PIC18F27K40-E/SS is a Integrated Circuit component manufactured by Microchip. 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 | PIC18F27K40-E/SSSource | PIC18F27K40-I/SS | PIC18F27K40-I/SP | PIC18F47K40-E/PT | PIC18F47K40-I/P | TPL5000DGSR | AT27C256R-70JU | PIC18F24K40-I/SS | PIC18F26K20-I/SS | PIC18F26K42-I/SS | PIC18F25K20-I/SS |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Texas Instruments | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Dual-In-Line Packages | Quad Flat Packages | Dual-In-Line Packages | Small Outline Packages | Plastic Leaded Chip Carrier | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 28 | 28 | 28 | 44 | 40 | 10 | 32 | 28 | 28 | 28 | 28 |
| Temperature Range | -40.0°C ~ 125.0°C | -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 ~ 105.0°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 | $1.6200 | $1.5200 | $0.8700 | $1.9000 | $2.4300 | $0.8550 | $2.0775 | $0.5269 | $1.0315 | $1.4900 | $1.7700 |
| 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 | SSOP-28 | SSOP-28 | SPDIP-28 | TQFP-44 | PDIP-40 | — | PLCC-32 | SSOP-28 | SSOP-28 | SSOP-28 | SSOP-28 |
| Reach Compliance Code | Compliant | Compliant | Compliant | Compliant | Compliant | — | — | — | — | — | — |
| Factory Lead Time | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | — | 6 Weeks | 6 Weeks | 5 Weeks | 6 Weeks | 5 Weeks |
| Date Of Intro | 2016-09-15 | 2016-09-15 | 2016-09-15 | 2016-09-15 | 2016-09-15 | — | — | 2016-09-15 | — | 2017-06-16 | — |
| YTEOL | 19 | 19 | 19 | 19 | 19 | 15 | 4 | 19 | 8 | 18 | 8 |
| Has ADC | YES | YES | YES | YES | YES | — | — | YES | YES | YES | YES |
| Additional Feature | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ | — | — | IT OPERATES AT 2.5V AT 16MHZ | ALSO OPERATES AT 1.8V MIN SUPPLY FOR 16 MHZ AND OPERATES AT 2V FOR 20 MHZ | ALSO OPERATES WITH 2.5VMIN @32 MHZ AND 2.3VMIN @16MHZ | 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 | 8 | 8 |
| Boundary Scan | NO | NO | NO | NO | NO | — | — | NO | NO | NO | NO |
| CPU Family | PIC18 | PIC18 | PIC18 | PIC18 | PIC18 | — | — | PIC18 | PIC18 | PIC18 | PIC18 |
| Clock Frequency-Max | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | — | — | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| DAC Channels | YES | YES | YES | YES | YES | — | — | YES | NO | YES | NO |
| DMA Channels | NO | NO | NO | NO | NO | — | — | NO | NO | YES | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | — | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | NO | NO | — | — | NO | NO | NO | NO |
| JESD-30 Code | R-PDSO-G28 | R-PDSO-G28 | R-PDIP-T28 | S-PQFP-G44 | R-PDIP-T40 | S-PDSO-G10 | R-PQCC-J32 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 | R-PDSO-G28 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | — | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | YES | — | — | YES | YES | YES | YES |
| Number of External Interrupts | 3 | 3 | 3 | 3 | 3 | — | — | 3 | 3 | 3 | 3 |
| Number of I/O Lines | 25 | 25 | 25 | 36 | 36 | — | — | 25 | 25 | 25 | 25 |
| Number of Serial I/Os | 2 | 2 | 2 | 2 | 2 | — | — | 1 | 1 | — | 1 |
| Number of Timers | 7 | 7 | 7 | 12 | 12 | — | — | 4 | 6 | 7 | 6 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | — | — | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | — | — | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | 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 | SSOP28,.3 | SSOP28,.3 | DIP28,.3 | TQFP44,.39SQ,31 | DIP40,.6 | — | LDCC32,.5X.6 | SSOP28,.3 | SSOP28,.3 | SSOP28,.3 | SSOP28,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | IN-LINE | FLATPACK, THIN PROFILE | IN-LINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | CHIP CARRIER | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH |
| RAM (bytes) | 3728 | 3728 | 3615 | 3615 | 3615 | — | — | 1024 | 3936 | 4096 | 1536 |
| RAM (words) | 3728 | 3728 | — | — | — | — | — | 1024 | — | 4096 | — |
| ROM (words) | 131072 | 131072 | 131072 | 131072 | 131072 | — | — | 8192 | 65536 | 65536 | 32768 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | — | — | FLASH | FLASH | FLASH | FLASH |
| Screening Level | TS 16949 | 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 | 64 MHz | 64 MHz |
| Supply Current-Max | 9.5 mA | 9.5 mA | 9.4 mA | 9.5 mA | 9.5 mA | — | 0.025 mA | 9.5 mA | 15 mA | 250 mA | 15 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — | — | 5.5 V | 3.6 V | 5.5 V | 3.6 V |
| Supply Voltage-Min | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | — | — | 3 V | 3 V | 3 V | 3 V |
| Supply Voltage-Nom | 3 V | 3 V | 3 V | 3 V | 3 V | — | — | — | 3.3 V | 3 V | 3.3 V |
| Surface Mount | YES | YES | NO | YES | NO | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | — | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | J BEND | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 2.54 mm | 0.8 mm | 2.54 mm | 0.5 mm | 1.27 mm | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | QUAD | DUAL | DUAL | QUAD | DUAL | DUAL | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## PIC18F27K40-E/SS Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — |
| ## PIC18F27K40-I/SS Alternates Showing results | — | Image | — | — | — | — | — | — | — | — | — |
| ## PIC18F27K40-I/SP Alternates Showing results | — | — | Image | — | — | — | — | — | — | — | — |
| ## PIC18F47K40-E/PT Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — |
| ## PIC18F47K40-I/P Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — |
| Pbfree Code | — | — | — | — | — | Yes | Yes | — | Yes | — | Yes |
| Adjustable Threshold | — | — | — | — | — | NO | — | — | — | — | — |
| Analog IC - Other Type | — | — | — | — | — | WATCHDOG TIMER | — | — | — | — | — |
| Number of Channels | — | — | — | — | — | 1 | — | — | — | — | — |
| Number of Functions | — | — | — | — | — | 1 | 1 | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | — | — | 260 | — | — | 260 | — | 260 |
| Supply Current-Max (Isup) | — | — | — | — | — | 0.135 mA | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | 5 V | 5.5 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | 1.8 V | 4.5 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | — | 2.5 V | 5 V | — | — | — | — |
| Threshold Voltage-Nom | — | — | — | — | — | +2.3V | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | — | 30 | — | — | — | — | — |
| Access Time-Max | — | — | — | — | — | — | 70 ns | — | — | — | — |
| I/O Type | — | — | — | — | — | — | COMMON | — | — | — | — |
| Memory Density | — | — | — | — | — | — | 262144 bit | — | — | — | — |
| Memory IC Type | — | — | — | — | — | — | OTP ROM | — | — | — | — |
| Memory Width | — | — | — | — | — | — | 8 | — | — | — | — |
| Number of Words | — | — | — | — | — | — | 32768 words | — | — | — | — |
| Number of Words Code | — | — | — | — | — | — | 32000 | — | — | — | — |
| Operating Mode | — | — | — | — | — | — | ASYNCHRONOUS | — | — | — | — |
| Organization | — | — | — | — | — | — | 32KX8 | — | — | — | — |
| Output Characteristics | — | — | — | — | — | — | 3-STATE | — | — | — | — |
| Parallel/Serial | — | — | — | — | — | — | PARALLEL | — | — | — | — |
| Programming Voltage | — | — | — | — | — | — | 13 V | — | — | — | — |
| Qualification Status | — | — | — | — | — | — | Not Qualified | — | Not Qualified | — | Not Qualified |
| Standby Current-Max | — | — | — | — | — | — | 0.001 A | — | — | — | — |
| ## AT27C256R-70JU Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — |
| Number of DMA Channels | — | — | — | — | — | — | — | — | — | 2 | — |
| ## PIC18F26K42-I/SS Alternates Showing results | — | — | — | — | — | — | — | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 10 alternatives for PIC18F27K40-E/SS — response within 24 hours.
Quick Links
Microchip Technology Inc 128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDSO28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDSO28
64KB Flash, 4KB RAM, 1KB EEPROM, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA,
Why Look for Alternatives?
Finding alternatives for PIC18F27K40-E/SS 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 PIC18F27K40-E/SS 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 PIC18F27K40-E/SS?
Known equivalents for PIC18F27K40-E/SS include PIC18F27K40-I/SS, PIC18F27K40-I/SP, PIC18F47K40-E/PT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of PIC18F27K40-E/SS?
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 PIC18F27K40-E/SS 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.