Mfr Part #:

W78LE58F-24

The Winbond W78LE58F-24 is an 8-bit microcontroller featuring 32KB of in-system programmable Flash memory and 512 bytes of on-chip RAM. It is supplied in a 44-pin QFP package.

✓ Total Stock: 763 pcs

$ Price Range: $6.40

W78LE58F-24 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Smaxon Electronics ✓ Non-Authorised Inventory information	664 pcs On Request	664 pcs	On Request	1	On Request	On Request	02+	On Request	On Request
NTD Electronics ✓ Non-Authorised Inventory information	99 pcs On Request	99 pcs	On Request	1	4	On Request	On Request	On Request	On Request

W78LE58F-24 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Winbond Electronics
Mounting Type	Surface Mount
Operating Mode	Idle mode, Power-down mode
RAM Size	512 Bytes
Storage Temperature	°C ~ °C
Tape & Reel	No

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W78LE58F-24 Description

Short technical summary and product information.

The Winbond W78LE58F-24 is an 8-bit CMOS microcontroller based on the 8052 instruction set. It offers 32KB of main Flash-ROM for application programs and 4KB of auxiliary Flash-ROM for loader programs, allowing for in-system firmware updates. The device includes 512 bytes of on-chip RAM, with 256 bytes of auxiliary RAM being software selectable.

This microcontroller provides a 64KB program and data memory address space. It features four 8-bit bi-directional I/O ports, one 4-bit multipurpose port, three 16-bit timer/counters, and a full-duplex serial port. The W78LE58F-24 supports eight interrupt sources with two-level interrupt capability and includes built-in power management features like idle and power-down modes.

Designed for flexibility and security, the Flash-ROM can be programmed and read electronically, with an option for code protection. The W78LE58F-24 is packaged in a 44-pin Quad Flat Package (QFP) suitable for surface mounting.

Key electrical characteristics include 32KB Flash memory, 512 bytes RAM, and support for 64KB address spaces. The microcontroller operates with built-in power management and offers code protection features.

W78LE58F-24 Quick Information

Product Type: Microcontroller

Series: W78LE58

Canonical Name: Winbond W78LE58F-24 8-bit Microcontroller

Subcategory: 8-bit

W78LE58F-24 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

W78LE58F-24 Estimated Pricing

Qty	Low	High
1+	$6.40	$6.40

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

W78LE58F-24 Features

32KB in-system programmable Flash memory
512 bytes on-chip RAM
8052 instruction set compatible
Four 8-bit I/O ports
44-pin QFP package

W78LE58F-24 Applications

Embedded system control
Firmware update applications
General purpose microcontrollers
Industrial automation systems

W78LE58F-24 FAQs

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

What is the Flash program memory size?

The device has 32 KB of in-system programmable Flash-ROM for Application Program (APROM).

How much on-chip RAM does the W78LE58F-24 have?

It has 512 bytes of on-chip RAM, including 256 bytes of AUX-RAM which is software selectable.

What package type is the W78LE58F-24 available in?

The W78LE58F-24 is available in a 44-Pin QFP package.

What are the power reduction modes available?

The microcontroller supports two power reduction modes: idle mode and power-down mode.