Microchip Technology AT89LP51ED2-20JU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 64KB FLASH 44PLCC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LP51ED2-20JU
Detailed Description
IC MCU 8BIT 64KB FLASH 44PLCC
Package
44-LCC (J-Lead)
Key Features
Package / Case: 44-LCC (J-Lead); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT89LP51ED2-20JU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89LP51ED2-20JU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
2.25K x 8
Package / Case
44-LCC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
40
Speed
20MHz
EEPROM Size
4K x 8
Alternate Parts Comparison (AT89LP51ED2-20JU vs AT87C51RD2-SLSUM vs AT89S52-24JU vs AT89S51-24JC)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-LCC | 44-LCC | 44-LCC | 44-LCC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Supply Voltage | 2.4V ~ 5.5V | 4.5V ~ 5.5V | 4V ~ 5.5V | 4V ~ 5.5V |
| Core Processor | 8051 | 80C51 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2.25K x 8 | 1K x 8 | 256 x 8 | 128 x 8 |
| Lifecycle Status | Active | Obsolete | Active | Obsolete |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART | UART/USART | UART/USART | UART/USART |
| Number of I/O | 40 | 32 | 32 | 32 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | POR, PWM, WDT | WDT | WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC9S08QE64CLDNXP SemiconductorsNXP
IC MCU 8BIT 64KB FLASH 44LQFP
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