AT80251G2D-3CSUM The AT80251G2D-3CSUM is an 8/16-bit ROMless microcontroller from Microchip Technology featuring a C251 core, 24 MHz clock speed, 1 KB RAM, and 32 I/O pins in a 40-PDIL through-hole package.
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AT80251G2D-3CSUM

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT80251G2D-3CSUM is an 8/16-bit ROMless microcontroller from Microchip Technology featuring a C251 core, 24 MHz clock speed, 1 KB RAM, and 32 I/O pins in a 40-PDIL through-hole package.
✓ Total Stock: 2,680 pcs

AT80251G2D-3CSUM Available from 1 distributor

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AT80251G2D-3CSUM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Voltage
Watchdog Timer

AT80251G2D-3CSUM Description

Short technical summary and product information.

The AT80251G2D-3CSUM is a ROMless 8/16-bit microcontroller based on the C251 core architecture, designed for embedded control applications requiring external program memory. It operates at a maximum clock frequency of 24 MHz and includes 1 KB of on-chip RAM. The device supports a supply voltage range of 4.5 V to 5.5 V and features an internal oscillator.

 

This microcontroller provides 32 I/O pins and a rich set of connectivity interfaces including EBI/EMI, I²C, Microwire, SPI, and UART/USART. On-chip peripherals include Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT). It also includes three 16-bit timers/counters and can address up to 256 KB of external memory.

 

The AT80251G2D-3CSUM is housed in a 40-DIP (0.600", 15.24mm) through-hole package, making it suitable for prototyping and industrial applications. It is rated for an operating temperature range of -40°C to 85°C.

AT80251G2D-3CSUM Quick Information

Product Type: Microcontroller
Canonical Name: AT80251G2D-3CSUM 8/16-Bit ROMless Microcontroller
Subcategory: 8/16-bit Microcontrollers

AT80251G2D-3CSUM Compliance

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

AT80251G2D-3CSUM Features

  • C251 core with 8/16-bit architecture.
  • ROMless design requires external program memory.
  • Operates at 24 MHz maximum clock speed.
  • Includes 32 I/O pins and multiple serial interfaces.
  • Through-hole 40-PDIL package for easy prototyping.

AT80251G2D-3CSUM Applications

  • Ideal for embedded systems with external memory.
  • Suitable for industrial control and automation.
  • Used in communication interface applications.
  • Applicable in prototyping and development boards.

AT80251G2D-3CSUM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT80251G2D-3CSUM?

The operating voltage range is 4.5 V to 5.5 V.

What package does the AT80251G2D-3CSUM come in?

It comes in a 40-DIP (0.600", 15.24mm) through-hole package, also known as 40-PDIL.

What is the operating temperature range of the AT80251G2D-3CSUM?

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

Is the AT80251G2D-3CSUM RoHS compliant?

RoHS compliance is listed as RoHS3 Compliant but is unverified.

What is the maximum clock frequency of the AT80251G2D-3CSUM?

The maximum clock frequency is 24 MHz.

How much RAM does the AT80251G2D-3CSUM have?

It has 1 KB of on-chip RAM.

What connectivity interfaces does the AT80251G2D-3CSUM support?

It supports EBI/EMI, I²C, Microwire, SPI, and UART/USART interfaces.

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