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DS87C520-QCL+ The Analog Devices / Maxim Integrated DS87C520-QCL+ is an 8-bit microcontroller with 16KB of OTP program memory and 1KB of RAM. It operates at speeds up to 33MHz.
Mfr Part #:

DS87C520-QCL+

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices / Maxim Integrated DS87C520-QCL+ is an 8-bit microcontroller with 16KB of OTP program memory and 1KB of RAM. It operates at speeds up to 33MHz.
✓ Total Stock: 2,022 pcs

DS87C520-QCL+ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,004 pcs
On Request
2004 pcs On Request 1 On Request On Request 24+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
18 pcs
On Request
18 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

DS87C520-QCL+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Lead Spacing
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Package / Case
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Tape & Reel
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DS87C520-QCL+ Description

Short technical summary and product information.

The DS87C520-QCL+ from Analog Devices / Maxim Integrated is a high-speed 8-bit microcontroller based on the 8051 architecture. It offers 16KB of One-Time Programmable (OTP) memory for program storage and 1KB of static RAM for data. This device is designed for applications requiring efficient processing and a compact footprint.

 

Key features include a maximum clock speed of 33MHz, enabling fast instruction execution. It supports a wide operating voltage range of 4.5V to 5.5V and operates within a temperature range of 0°C to 70°C. The microcontroller includes peripherals such as Power-Fail Reset and a Watchdog Timer (WDT), enhancing system reliability.

 

Packaged in a 44-lead PLCC (Plastic Leaded Chip Carrier) with surface mount capability, the DS87C520-QCL+ is suitable for various electronic designs. It offers 32 I/O pins for interfacing with external components and supports connectivity options like EBI/EMI, SIO, and UART/USART. The device is RoHS3 compliant.

DS87C520-QCL+ Quick Information

Product Type: Microcontroller
Canonical Name: Analog Devices / Maxim Integrated DS87C520-QCL+ 8-Bit Microcontroller
Subcategory: 8-Bit

DS87C520-QCL+ Compliance

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

DS87C520-QCL+ Features

  • 8-Bit 8051-based microcontroller.
  • 16KB OTP program memory.
  • 1KB RAM for data storage.
  • Operates at up to 33MHz clock speed.
  • Surface mount 44-PLCC package.

DS87C520-QCL+ Applications

  • Embedded control systems.
  • Industrial automation.
  • Consumer electronics.
  • Data acquisition systems.

DS87C520-QCL+ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the program memory size of the DS87C520-QCL+?

The DS87C520-QCL+ has 16KB of OTP program memory.

What is the RAM size for the DS87C520-QCL+?

The DS87C520-QCL+ has 1KB of RAM.

What is the maximum clock speed for the DS87C520-QCL+?

The DS87C520-QCL+ operates at a maximum clock speed of 33MHz.

What is the operating voltage range for the DS87C520-QCL+?

The operating voltage range for the DS87C520-QCL+ is 4.5V to 5.5V.

What is the operating temperature range for the DS87C520-QCL+?

The operating temperature range for the DS87C520-QCL+ is 0°C to 70°C.

What package type is the DS87C520-QCL+ available in?

The DS87C520-QCL+ is available in a 44-PLCC (J-Lead) package.

Is the DS87C520-QCL+ RoHS compliant?

The DS87C520-QCL+ is RoHS3 compliant.

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