Microchip Technology AT89LP51ED2-20AU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 64KB FLASH 44TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LP51ED2-20AU
Detailed Description
IC MCU 8BIT 64KB FLASH 44TQFP
Package
44-TQFP
Key Features
Package / Case: 44-TQFP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT89LP51ED2-20AU Datasheet
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Technical Specifications
Microchip Technology AT89LP51ED2-20AU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
89LP
RAM Size
2.25K x 8
RoHS
Yes
Number of Pins
44
Package / Case
44-TQFP
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Speed
20MHz
Related Parts Comparison (AT89LP51ED2-20AU vs AT89S8253-24AU vs PIC17C44-25/PT vs PIC24FJ64GA004T-I/PT)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 44-TQFP | 44-TQFP | 44-TQFP | 44-TQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.4V ~ 5.5V | 2.7V ~ 5.5V | 4.5V ~ 6V | 2V ~ 3.6V |
| Core Processor | 8051 | 8051 | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 16-Bit |
| RAM Size | 2.25K x 8 | 256 x 8 | 454 x 8 | 8K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART | SPI, UART/USART | UART/USART | I²C, PMP, SPI, UART/USART |
| Number of I/O | 40 | 32 | 33 | 35 |
| Oscillator Type | Internal | External | External | Internal |
| Package | TQFP-44 | TQFP-44 | 44-TQFP | TQFP-44 |
| 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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