AT89LP51RD2-20AU
ActiveMicrochip Technology
IC MCU 8BIT 64KB FLASH 44TQFP
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AT89LP51RD2-20AU
ActiveMicrochip Technology
IC MCU 8BIT 64KB FLASH 44TQFP
Deep-Dive with AI
Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | AT89LP51RD2-20AU | AT89LP51 Series |
|---|---|---|
| Connectivity [custom] | EBI/EMI, SPI, I2C, UART/USART | EBI/EMI, SPI, I2C, UART/USART |
| Core Processor | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit |
| Data Converters [custom] | 10 b | 10 b |
| Data Converters [custom] | 7 | 7 |
| EEPROM Size | - | 4 K |
| Mounting Type | Surface Mount | Surface Mount, Through Hole |
| Number of I/O | 40 | 36 - 40 |
| Operating Temperature [Max] | 85 °C | 85 °C |
| Operating Temperature [Min] | -40 °C | -40 °C |
| Oscillator Type | Internal | Internal |
| Package / Case | 44-TQFP | 44-VFQFN Exposed Pad, 44-TQFP, 40-DIP, 44-LCC (J-Lead), 44-LQFP |
| Package / Case | - | 0.6 - 600 in |
| Program Memory Size | 64 KB | 4 - 64 KB |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 2.25 K | 2.25 K |
| RAM Size | - | 256 x 8 |
| Speed | 20 MHz | 20 MHz |
| Supplier Device Package | 44-TQFP (10x10) | 44-VQFN (7x7), 44-TQFP (10x10), 40-PDIP, 44-PLCC (16.6x16.6), 44-LQFP (10x10) |
| Voltage - Supply (Vcc/Vdd) [Max] | 5.5 V | 5.5 V |
| Voltage - Supply (Vcc/Vdd) [Min] | 2.4 V | 2.4 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tray | 1 | $ 5.11 | |
| 25 | $ 4.69 | |||
| 100 | $ 4.25 | |||
| Microchip Direct | TRAY | 1 | $ 5.11 | |
| 25 | $ 4.69 | |||
| 100 | $ 4.25 | |||
| 1000 | $ 3.92 | |||
| 5000 | $ 3.71 | |||
AT89LP51 Series
IC MCU 8BIT 4KB FLASH 44VQFN
| Part | RAM Size | Connectivity [custom] | Program Memory Size | Voltage - Supply (Vcc/Vdd) [Min] | Voltage - Supply (Vcc/Vdd) [Max] | Supplier Device Package | Mounting Type | Operating Temperature [Max] | Operating Temperature [Min] | Speed | Core Size | Oscillator Type | Number of I/O | Program Memory Type | Package / Case | Core Processor | Data Converters [custom] | Data Converters [custom] | Package / Case | RAM Size | EEPROM Size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Microchip Technology AT89LP51-20MU | 256 x 8 | EBI/EMI, I2C, SPI, UART/USART | 4 KB | 2.4 V | 5.5 V | 44-VQFN (7x7) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 36 | FLASH | 44-VFQFN Exposed Pad | 8051 | |||||
Microchip Technology AT89LP51RC2-20AU | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51RC2-20PU | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 40-PDIP | Through Hole | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 37 | FLASH | 40-DIP | 8051 | 10 b | 7 | 0.6 in, 600 mil | |||
Microchip Technology AT89LP51IC2-20MU | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 44-VQFN (7x7) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-VFQFN Exposed Pad | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51ID2-20JU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-PLCC (16.6x16.6) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LCC (J-Lead) | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51RB2-20JU | EBI/EMI, I2C, SPI, UART/USART | 24 KB | 2.4 V | 5.5 V | 44-PLCC (16.6x16.6) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LCC (J-Lead) | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51ED2-20AU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51ID2-20MU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-VQFN (7x7) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-VFQFN Exposed Pad | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51ID2-20AAU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-LQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LQFP | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51RB2-20PU | EBI/EMI, I2C, SPI, UART/USART | 24 KB | 2.4 V | 5.5 V | 40-PDIP | Through Hole | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 37 | FLASH | 40-DIP | 8051 | 10 b | 7 | 0.6 in, 600 mil | |||
Microchip Technology AT89LP51ED2-20AAU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-LQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LQFP | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51-20JU | 256 x 8 | EBI/EMI, I2C, SPI, UART/USART | 4 KB | 2.4 V | 5.5 V | 44-PLCC (16.6x16.6) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 36 | FLASH | 44-LCC (J-Lead) | 8051 | |||||
Microchip Technology AT89LP51RC2-20JU | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 44-PLCC (16.6x16.6) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LCC (J-Lead) | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51RD2-20MU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-VQFN (7x7) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-VFQFN Exposed Pad | 8051 | 10 b | 7 | 2.25 K | |||
Microchip Technology AT89LP51RD2-20AU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 | 2.25 K | |||
Microchip Technology AT89LP51ID2-20AU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51-20AU | 256 x 8 | EBI/EMI, I2C, SPI, UART/USART | 4 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 36 | FLASH | 44-TQFP | 8051 | |||||
Microchip Technology AT89LP51ED2-20PU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 40-PDIP | Through Hole | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 37 | FLASH | 40-DIP | 8051 | 10 b | 7 | 0.6 in, 600 mil | 2.25 K | 4 K | |
Microchip Technology AT89LP51RC2-20AUR | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51ED2-20JU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-PLCC (16.6x16.6) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LCC (J-Lead) | 8051 | 10 b | 7 | 2.25 K | 4 K | ||
Microchip Technology AT89LP51RB2-20MU | EBI/EMI, I2C, SPI, UART/USART | 24 KB | 2.4 V | 5.5 V | 44-VQFN (7x7) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-VFQFN Exposed Pad | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51IC2-20AU | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51RB2-20AAU | EBI/EMI, I2C, SPI, UART/USART | 24 KB | 2.4 V | 5.5 V | 44-LQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LQFP | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51RD2-20AAU | EBI/EMI, I2C, SPI, UART/USART | 64 KB | 2.4 V | 5.5 V | 44-LQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LQFP | 8051 | 10 b | 7 | 2.25 K | |||
Microchip Technology AT89LP51RC2-20AAU | EBI/EMI, I2C, SPI, UART/USART | 32 KB | 2.4 V | 5.5 V | 44-LQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-LQFP | 8051 | 10 b | 7 | ||||
Microchip Technology AT89LP51RB2-20AU | EBI/EMI, I2C, SPI, UART/USART | 24 KB | 2.4 V | 5.5 V | 44-TQFP (10x10) | Surface Mount | 85 °C | -40 °C | 20 MHz | 8-Bit | Internal | 40 | FLASH | 44-TQFP | 8051 | 10 b | 7 |
Description
General part information
AT89LP51 Series
Single-cycle microcontroller with 32KB ISP flash and 12-clock compatibility mode. It includes 1408 bytes RAM, 2KB ROM with UART-base Bootloader, PWM, UART, TWI, SPI, PCA, up to 42 I/Os, 10-bit A/D, dual Analog Comparators, an internal 8MHz RC oscillator, and on-chip debug. The TWI and On-Chip Debug features are not available on 40-pin PDIP package.
Documents
Technical documentation and resources