Microchip Technology AT80C51RD2-RLTUM Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT ROMLESS 44VQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT80C51RD2-RLTUM
Detailed Description
IC MCU 8BIT ROMLESS 44VQFP
Package
44-LQFP
Key Features
Package / Case: 44-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT80C51RD2-RLTUM Datasheet
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Technical Specifications
Microchip Technology AT80C51RD2-RLTUM Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
80C
RAM Size
1K x 8
RoHS
Yes
Package / Case
44-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Obsolete
Peripherals
POR, PWM, WDT
Number of I/O
32
Related Parts Comparison (AT80C51RD2-RLTUM vs AT89C51CC01UAT-RLRUM vs AT89C51CC01CAT-RLTUM vs AT89C51CC01UAT-RLTUM)
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-LQFP | 44-LQFP | 44-LQFP | 44-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 | 3V ~ 5.5V |
| Core Processor | 80C51 | 80C51 | 80C51 | 80C51 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1K x 8 | 1.25K x 8 | 1.25K x 8 | 1.25K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Connectivity | UART/USART | CANbus, UART/USART | CANbus, UART/USART | CANbus, UART/USART |
| Number of I/O | 32 | 34 | 34 | 34 |
| Oscillator Type | Internal | External | External | External |
| 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 .
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