Mfr Part #:

AT80C32X2-SLSUM

Mfr Name: Atmel

AT80C32X2-SLSUM is an 8-bit ROMless microcontroller featuring an 80C51 core, 256 bytes RAM, 32 I/O lines, and speeds up to 40/20MHz. It comes in a 44-PLCC surface mount package and operates from -40°C to 85°C.

✓ Total Stock: 697 pcs

AT80C32X2-SLSUM Available from 3 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Speed Components Ltd ✓ Non-Authorised Inventory information	381 pcs On Request	381 pcs	On Request	1	On Request	On Request	09+32	On Request	On Request
Chanetech ✓ Non-Authorised Inventory information	266 pcs On Request	266 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Fe Components ✓ Non-Authorised Inventory information	50 pcs On Request	50 pcs	On Request	10	On Request	On Request	On Request	On Request	On Request

AT80C32X2-SLSUM Description

Short technical summary and product information.

AT80C32X2-SLSUM is an 8-bit microcontroller from Atmel built around the classic 80C51 core. This ROMless device requires external program memory, offering flexibility for systems with existing external ROM/EPROM or flash. It includes 256 bytes of on-chip RAM and 32 general-purpose I/O lines, providing a modest amount of data storage and ample interface capability.

Operating from a 4.5V to 5.5V supply, the microcontroller supports clock speeds up to 40/20MHz and incorporates an internal oscillator for basic timing. Connectivity is provided through an integrated UART/USART interface, and a power-on reset (POR) peripheral helps ensure reliable startup. The 8-bit core is well-suited for legacy 8051 applications requiring straightforward serial communication and external memory mapping.

The device is housed in a 44-LCC (J-Lead) surface mount package, also specified as a 44-PLCC (16.6x16.6mm) supplier device package. With an operating temperature range of -40°C to 85°C, it can endure harsh industrial environments. The surface mount design facilitates automated assembly in space-constrained applications.

AT80C32X2-SLSUM Quick Information

Product Type: Microcontroller

Series: 80C32

Canonical Name: IC MCU 8BIT ROMLESS 44PLCC

Subcategory: 8-bit Microcontroller

AT80C32X2-SLSUM Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

AT80C32X2-SLSUM Features

8-bit 80C51 core with ROMless architecture.
256 bytes of on-chip RAM memory.
32 general-purpose I/O lines available.
Operates from 4.5V to 5.5V supply.
Surface mount 44-PLCC (J-Lead) package.

AT80C32X2-SLSUM Applications

Suitable for 8051 external memory systems.
Integrated UART/USART for serial communication.
Operates in industrial temperature ranges.
For compact surface mount PCB designs.

AT80C32X2-SLSUM FAQs

7 frequently asked questions generated from this part’s specifications.

What is the operating voltage range of AT80C32X2-SLSUM?

The supply voltage range is 4.5V to 5.5V.

What package does AT80C32X2-SLSUM come in?

It is available in a 44-LCC (J-Lead) package, with a supplier device package of 44-PLCC (16.6x16.6).

What is the operating temperature range?

-40°C to 85°C.

Is AT80C32X2-SLSUM RoHS compliant?

RoHS3 compliant.

What core does AT80C32X2-SLSUM use?

It features an 8-bit 80C51 core.

What is the maximum clock speed?

The maximum speed is 40/20 MHz.

Does this microcontroller have built-in program memory?

No, it has ROMless program memory type, requiring external program memory.

Category	Microcontrollers
Manufacturer Name	Atmel
Connectivity	UART/USART
Core Processor	80C51
Core Size	8-Bit
Lead Style	J-Lead
Mounting Type	Surface Mount
Number of I	32
Operating Temperature	-40°C ~ 85°C (TA)
Oscillator Type	Internal
Peripherals	POR
Program Memory Type	ROMless
RAM Size	256 x 8
SVHC Present	Not Present
Speed	40/20MHz
Supplier Device Package	44-PLCC (16.6x16.6)
Voltage	4.5V ~ 5.5V