Microchip Technology AT89C51ED2-SLRUM Microcontrollers
IC MCU 8BIT 64KB FLASH 44PLCC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89C51ED2-SLRUM
Series
Base Model
Detailed Description
IC MCU 8BIT 64KB FLASH 44PLCC
Package
44-LCC (J-Lead)
Lifecycle Status
Active
Datasheet
AT89C51ED2-SLRUM Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT89C51ED2-SLRUM Microcontrollers technical specifications.
General
RAM Size
2K x 8
RoHS
Yes
Package / Case
44-LCC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
POR, PWM, WDT
Number of I/O
34
Speed
60MHz
Alternate Parts Comparison (AT89C51ED2-SLRUM vs AT89C51CC03CA-RDTUM vs AT89C51CC02CA-TISUM vs AT89C51SND1C-ROTUL)
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 | 64-LQFP | 28-SOIC | 80-LQFP |
| 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) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 2.7V ~ 3.3V |
| Core Processor | 80C51 | 80C51 | 80C51 | 80C51 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2K x 8 | 2.25K x 8 | 512 x 8 | 2.25K x 8 |
| Lifecycle Status | Active | Active | Active | Obsolete |
| Connectivity | SPI, UART/USART | CANbus, SPI, UART/USART | CANbus, UART/USART | I²C, IDE/ATAPI, Memory Card, SPI, UART/USART, USB |
| Number of I/O | 34 | 36 | 20 | 44 |
| Oscillator Type | External | External | External | External |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | Audio, I²S, MP3, PCM, POR, 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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