ATMEGA48P-20PUAlternatives & Equivalent Parts
About ATMEGA48P-20PU
ATMEGA48P-20PU is a Integrated Circuit component manufactured by Microchip. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | ATMEGA48P-20PUSource | SST39SF040-70-4C-PHE | ATMEGA48-20PU | ATMEGA48PA-PU | ATMEGA48A-PU |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 28 | 32 | 28 | 28 | 28 |
| Temperature Range | -40.0°C ~ 85.0°C | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.9900 | — | $1.8900 | $1.8000 | $1.9900 |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes |
| Factory Lead Time | 28 Weeks | 14 Weeks | 6 Weeks | 6 Weeks | — |
| YTEOL | 0 | 0 | 14 | 14 | 0 |
| Has ADC | YES | — | YES | YES | YES |
| Additional Feature | OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ | — | — | IT ALSO OPERATES 1.8V AT 4 MHZ | IT ALSO OPERATES 1.8V AT 4 MHZ |
| Bit Size | 8 | — | 8 | 8 | 8 |
| Boundary Scan | NO | — | NO | NO | NO |
| CPU Family | AVR RISC | — | AVR RISC | AVR RISC | AVR RISC |
| Clock Frequency-Max | 20 MHz | — | 20 MHz | 20 MHz | 20 MHz |
| DAC Channels | NO | — | NO | NO | NO |
| DMA Channels | NO | — | NO | NO | NO |
| Format | FIXED POINT | — | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | — | NO | NO | NO |
| JESD-30 Code | R-PDIP-T28 | R-PDIP-T32 | R-PDIP-T28 | R-PDIP-T28 | R-PDIP-T28 |
| JESD-609 Code | e3 | — | e3 | e3 | e3 |
| Low Power Mode | YES | — | YES | YES | YES |
| Number of External Interrupts | 2 | — | 2 | 2 | 2 |
| Number of I/O Lines | 23 | — | 23 | 23 | 23 |
| Number of Serial I/Os | 1 | — | 1 | 1 | 1 |
| Number of Timers | 3 | — | 3 | 3 | 3 |
| On Chip Data RAM Width | 8 | — | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | — | 8 | 8 | 8 |
| PWM Channels | YES | — | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 | DIP32,.6 | DIP28,.3 | DIP28,.3 | DIP28,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 512 | — | 512 | 512 | 512 |
| ROM (words) | 4096 | — | 4096 | 4096 | 4096 |
| ROM Programmability | FLASH | — | FLASH | FLASH | FLASH |
| Screening Level | TS 16949 | — | — | — | — |
| Speed | 20 MHz | — | 20 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 9 mA | 0.025 mA | 12 mA | 2.7 mA | 12 mA |
| Supply Voltage-Max | 5.5 V | — | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 4.5 V | — | 3 V | 5 V | 5 V |
| Supply Voltage-Nom | 5 V | — | 3 V | 5 V | 5 V |
| Surface Mount | NO | NO | NO | NO | NO |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | MATTE TIN | — | Matte Tin (Sn) | Matte Tin (Sn) | MATTE TIN |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Manufacturer Package Code | — | PDIP-32 | SPDIP-28 | SPDIP-28 | — |
| Access Time-Max | — | 70 ns | — | — | — |
| Command User Interface | — | YES | — | — | — |
| Data Polling | — | YES | — | — | — |
| Endurance | — | 100000 Write/Erase Cycles | — | — | — |
| Memory Density | — | 4194304 bit | — | — | — |
| Memory IC Type | — | FLASH | — | — | — |
| Memory Width | — | 8 | — | — | — |
| Number of Functions | — | 1 | — | — | — |
| Number of Sectors/Size | — | 128 | — | — | — |
| Number of Words | — | 524288 words | — | — | — |
| Number of Words Code | — | 512000 | — | — | — |
| Operating Mode | — | ASYNCHRONOUS | — | — | — |
| Organization | — | 512KX8 | — | — | — |
| Output Characteristics | — | 3-STATE | — | — | — |
| Parallel/Serial | — | PARALLEL | — | — | — |
| Programming Voltage | — | 5 V | — | — | — |
| Sector Size | — | 4K | — | — | — |
| Standby Current-Max | — | 0.0001 A | — | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | 4.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 5 V | — | — | — |
| Toggle Bit | — | YES | — | — | — |
| Type | — | NOR TYPE | — | — | — |
| ## SST39SF040-70-4C-PHE Alternates Showing results | — | Image | — | — | — |
| RAM (words) | — | — | 512 | 512 | 512 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
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Why Look for Alternatives?
Finding alternatives for ATMEGA48P-20PU 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 ATMEGA48P-20PU 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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Request Alternatives for ATMEGA48P-20PUFAQ
What is equivalent to ATMEGA48P-20PU?
Known equivalents for ATMEGA48P-20PU include SST39SF040-70-4C-PHE, ATMEGA48-20PU, ATMEGA48PA-PU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA48P-20PU?
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 ATMEGA48P-20PU 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.