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AT80251G2D-SLSUM Microchip Technology AT80251G2D-SLSUM is an 8/16-bit ROMless microcontroller based on the C251 core, with 24MHz clock speed, 1KB internal RAM, and 32 I/O lines.
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AT80251G2D-SLSUM

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
Microchip Technology AT80251G2D-SLSUM is an 8/16-bit ROMless microcontroller based on the C251 core, with 24MHz clock speed, 1KB internal RAM, and 32 I/O lines.
✓ Total Stock: 3,569 pcs

AT80251G2D-SLSUM Available from 1 distributor

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3,569 pcs
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AT80251G2D-SLSUM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Industrial Grade
Lead Style
Mounting Type
Number of I
Number of I/O
Operating Temperature
Oscillator Type
Peripherals
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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AT80251G2D-SLSUM Description

Short technical summary and product information.

The AT80251G2D-SLSUM is a ROMless microcontroller from Microchip Technology, built around the Intel MCS251-compatible C251 core. It operates at up to 24 MHz and features 1 Kbyte of internal RAM. The device requires external program memory, supporting up to 256 kilobytes of code/data space.

 

The microcontroller includes 32 I/O lines with peripherals such as Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). Connectivity options include I²C, SPI, Microwire, UART/USART, and EBI/EMI interfaces, making it suitable for embedded systems with external memory and serial communication needs.

 

The AT80251G2D-SLSUM is supplied in a 44-lead PLCC surface-mount package (J-Lead) and operates over an industrial temperature range of -40°C to 85°C. Supply voltage is 4.5V to 5.5V.

AT80251G2D-SLSUM Quick Information

Product Type: Microcontroller
Series: AT80251
Canonical Name: Microchip Technology AT80251G2D-SLSUM MCU
Subcategory: 8/16-Bit Microcontrollers

AT80251G2D-SLSUM Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT80251G2D-SLSUM Features

  • C251 8/16-bit core processor at 24 MHz.
  • ROMless – requires external program memory.
  • 32 I/O lines with POR, PWM, WDT peripherals.
  • Multiple serial interfaces: I2C, SPI, UART.
  • Surface-mount 44-PLCC package with J-Lead.

AT80251G2D-SLSUM Applications

  • Embedded systems using external memory.
  • Industrial control with extended temperature range.
  • Communication hubs requiring multiple serial protocols.
  • Automotive and harsh environment applications.
  • Designs needing flexible I/O and peripheral integration.

AT80251G2D-SLSUM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the AT80251G2D-SLSUM?

The supply voltage range is 4.5V to 5.5V.

What package does the AT80251G2D-SLSUM come in?

The device is offered in a 44-PLCC (16.6x16.6 mm) package with J-Lead terminals.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is the AT80251G2D-SLSUM RoHS compliant?

The part is listed as RoHS3 compliant, though this is unverified.

What is the maximum clock frequency?

The maximum clock frequency is 24 MHz.

How much RAM does this microcontroller have?

It has 1 KB of internal RAM.

What communication interfaces are available?

Available interfaces include EBI/EMI, I²C, Microwire, SPI, and UART/USART.

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