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AT80C31X2-UL The Microchip Technology AT80C31X2-UL is an 8-bit microcontroller based on the 80C51 architecture. It features ROMless operation, 128 bytes of RAM, and operates at speeds up to 30 MHz.
Mfr Part #:

AT80C31X2-UL

Available from 1 distributors
Mfr Name: Atmel
Atmel
The Microchip Technology AT80C31X2-UL is an 8-bit microcontroller based on the 80C51 architecture. It features ROMless operation, 128 bytes of RAM, and operates at speeds up to 30 MHz.
✓ Total Stock: 10 pcs
$ Price Range: $6.40

AT80C31X2-UL Available from 1 distributor

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✓ Non-Authorised
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AT80C31X2-UL 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/O
Operating Temperature
Oscillator Type
Peripherals
Program Memory Type
RAM Size
Supply Voltage
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AT80C31X2-UL Description

Short technical summary and product information.

The AT80C31X2-UL from Microchip Technology is an 8-bit microcontroller designed for embedded control applications requiring external program memory. It utilizes the classic 80C51 architecture, offering a 128 x 8-bit RAM size and 32 I/O pins. This ROMless device requires external program memory, providing flexibility in firmware size and updates.

 

Key electrical specifications include an operating voltage range of 2.7V to 5.5V and an internal oscillator for stable timing. It supports UART/USART communication and includes a Power-On Reset (POR) circuit for reliable startup. The microcontroller operates within a temperature range of -40°C to 85°C, making it suitable for industrial environments.

 

Packaged in a 44-pin PLCC (Plastic Leaded Chip Carrier) with surface mount termination, the AT80C31X2-UL is designed for efficient assembly. Its 8-bit core processor and 30/20 MHz clock speed enable fast instruction execution for various control tasks.

AT80C31X2-UL Quick Information

Product Type: Microcontroller
Series: 80C
Canonical Name: AT80C31X2-UL 8-Bit ROMless Microcontroller
Subcategory: Embedded Microcontroller

AT80C31X2-UL Compliance

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

AT80C31X2-UL Estimated Pricing

Qty Low High
1+ $6.40 $6.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT80C31X2-UL Features

  • 8-bit 80C51 core processor.
  • ROMless design requires external program memory.
  • 128 x 8 bits of internal RAM.
  • 32 programmable I/O pins.
  • Operates from 2.7V to 5.5V supply.

AT80C31X2-UL Applications

  • Suitable for embedded control systems.
  • Flexible memory options for firmware.
  • Industrial automation applications.
  • Instrumentation control systems.

AT80C31X2-UL FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the AT80C31X2-UL?

The AT80C31X2-UL operates within a supply voltage range of 2.7V to 5.5V.

What type of package is the AT80C31X2-UL microcontroller supplied in?

The AT80C31X2-UL is supplied in a 44-pin plastic leaded chip carrier (PLCC) package, measuring 16.6mm x 16.6mm.

What is the operating temperature range for the AT80C31X2-UL?

The AT80C31X2-UL can operate in temperatures ranging from -40°C to 85°C.

Is the AT80C31X2-UL RoHS compliant?

The AT80C31X2-UL is RoHS3 Compliant.

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