ATMEGA88-20PUAlternatives & Equivalent Parts
About ATMEGA88-20PU
ATMEGA88-20PU 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.
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Specification Comparison
| Parameter | ATMEGA88-20PUSource | ATMEGA88-20AU | ATMEGA88PA-AN | 1147280000 | AT24CM01-XHM-B | ATMEGA88P-20PU | ATMEGA88PA-PU | ATMEGA88A-PU |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Weidmuller | Microchip | Microchip | Microchip | Microchip |
| Package Type | Dual-In-Line Packages | Quad Flat Packages | Quad Flat Packages | Other | Small Outline Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 28 | 32 | 32 | 2 | 8 | 28 | 28 | 28 |
| Temperature Range | -40.0°C ~ 85.0°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 |
| Price | $2.5100 | $1.9968 | $1.3100 | $0.3791 | $0.8010 | $2.5900 | $2.1300 | $1.9500 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | — | Yes | Yes | Yes | Yes |
| Factory Lead Time | 4 Weeks | 7 Weeks | 6 Weeks | — | 25 Weeks | 28 Weeks | 6 Weeks | 6 Weeks |
| YTEOL | 0 | 14 | 13 | — | 14 | 0 | 14 | 14 |
| Has ADC | YES | YES | YES | — | — | YES | YES | YES |
| Bit Size | 8 | 8 | 8 | — | — | 8 | 8 | 8 |
| Boundary Scan | NO | NO | NO | — | — | NO | NO | NO |
| CPU Family | AVR RISC | AVR RISC | AVR RISC | — | — | AVR RISC | AVR RISC | AVR RISC |
| Clock Frequency-Max | 20 MHz | 20 MHz | 20 MHz | — | — | 20 MHz | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | NO | — | — | NO | YES | YES |
| DMA Channels | NO | NO | NO | — | — | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | — | — | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | — | — | NO | NO | NO |
| JESD-30 Code | R-PDIP-T28 | S-PQFP-G32 | S-PQFP-G32 | — | R-PDSO-G8 | R-PDIP-T28 | R-PDIP-T28 | R-PDIP-T28 |
| JESD-609 Code | e3 | e3 | e3 | — | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | — | — | YES | YES | YES |
| Number of External Interrupts | 2 | 2 | 2 | — | — | 2 | 2 | 2 |
| Number of I/O Lines | 23 | 23 | 23 | — | — | 23 | 23 | 23 |
| Number of Serial I/Os | 1 | 1 | 1 | — | — | 1 | 1 | 1 |
| Number of Timers | 3 | 3 | 3 | — | — | 3 | 3 | 3 |
| On Chip Data RAM Width | 8 | 8 | 8 | — | — | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 16 | — | — | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | — | — | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 | TQFP32,.35SQ,32 | QFP32,.35SQ,32 | — | TSSOP8,.25 | DIP28,.3 | DIP28,.3 | DIP28,.3 |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | IN-LINE | IN-LINE | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 1024 | 1024 | 1024 | — | — | 1024 | 1024 | 1024 |
| RAM (words) | 1024 | 1024 | 1024 | — | — | — | 1024 | 1024 |
| ROM (words) | 8192 | 8192 | 4096 | — | — | 8192 | 8192 | 8192 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | FLASH | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | 20 MHz | — | — | 20 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 12 mA | 12 mA | 2.7 mA | — | 0.003 mA | 9 mA | 2.7 mA | 12 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | — | — | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 3 V | 3 V | 5 V | — | — | 4.5 V | 5 V | 5 V |
| Supply Voltage-Nom | 3 V | 3 V | 5 V | — | — | 5 V | 5 V | 5 V |
| Surface Mount | NO | YES | YES | — | YES | NO | NO | NO |
| Technology | CMOS | CMOS | CMOS | — | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | MATTE TIN | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) | MATTE TIN | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | GULL WING | GULL WING | — | GULL WING | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 0.8 mm | 0.8 mm | — | 0.65 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | QUAD | QUAD | — | DUAL | DUAL | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA88-20PU Alternates Showing results | Image | — | — | — | — | — | — | — |
| Manufacturer Package Code | — | TQFP-32 | TQFP-32 | — | TSSOP-8 | — | SPDIP-28 | SPDIP-28 |
| Peak Reflow Temperature (Cel) | — | 260 | — | — | 260 | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | — | — | 40 | — | — | — |
| ## ATMEGA88-20AU Alternates Showing results | — | Image | — | — | — | — | — | — |
| Additional Feature | — | — | IT ALSO OPERATES 1.8V AT 4 MHZ | — | — | 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 |
| ## ATMEGA88PA-AN Alternates Showing results | — | — | Image | — | — | — | — | — |
| Terminal and Terminal Block Type | — | — | — | STRIP TERMINAL BLOCK | — | — | — | — |
| Clock Frequency-Max (fCLK) | — | — | — | — | 0.4 MHz | — | — | — |
| Data Retention Time-Min | — | — | — | — | 100 | — | — | — |
| Endurance | — | — | — | — | 1000000 Write/Erase Cycles | — | — | — |
| I2C Control Byte | — | — | — | — | 1010DDMR | — | — | — |
| Memory Density | — | — | — | — | 1048576 bit | — | — | — |
| Memory IC Type | — | — | — | — | EEPROM | — | — | — |
| Memory Width | — | — | — | — | 8 | — | — | — |
| Number of Functions | — | — | — | — | 1 | — | — | — |
| Number of Ports | — | — | — | — | 1 | — | — | — |
| Number of Words | — | — | — | — | 131072 words | — | — | — |
| Number of Words Code | — | — | — | — | 128000 | — | — | — |
| Operating Mode | — | — | — | — | SYNCHRONOUS | — | — | — |
| Organization | — | — | — | — | 128KX8 | — | — | — |
| Output Characteristics | — | — | — | — | OPEN-DRAIN | — | — | — |
| Parallel/Serial | — | — | — | — | SERIAL | — | — | — |
| Reverse Pinout | — | — | — | — | NO | — | — | — |
| Screening Level | — | — | — | — | TS 16949 | TS 16949 | — | — |
| Serial Bus Type | — | — | — | — | I2C | — | — | — |
| Standby Current-Max | — | — | — | — | 0.000001 A | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | 1.7 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 5 V | — | — | — |
| Write Cycle Time-Max (tWC) | — | — | — | — | 5 ms | — | — | — |
| Write Protection | — | — | — | — | HARDWARE | — | — | — |
| ## AT24CM01-XHM-B Alternates Showing results | — | — | — | — | Image | — | — | — |
| ## ATMEGA88PA-PU 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 7 alternatives for ATMEGA88-20PU — response within 24 hours.
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDIP28
Why Look for Alternatives?
Finding alternatives for ATMEGA88-20PU 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 ATMEGA88-20PU 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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FAQ
What is equivalent to ATMEGA88-20PU?
Known equivalents for ATMEGA88-20PU include ATMEGA88-20AU, ATMEGA88PA-AN, 1147280000. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA88-20PU?
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 ATMEGA88-20PU 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.