JS28F640J3F75A

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JS28F640J3F75A

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IC FLASH 64MBIT PARALLEL 56TSOP

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Specifications

Attribute Value
Series StrataFlash™
Part Status Obsolete
Base Product Number JS28F640J3
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR
Memory Size 64Mbit
Memory Organization 8M x 8, 4M x 16
Memory Interface Parallel
Write Cycle Time - Word, Page 75ns
Voltage - Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 56-TFSOP (0.724", 18.40mm Width)
Supplier Device Package 56-TSOP
Packaging Tray
Access Time 75 ns

Overview

Description

The JS28F640J3F75A is a type of NOR Flash memory chip from Intel's StrataFlash® memory family. It is designed to provide high-performance, non-volatile storage suitable for a variety of applications, including embedded systems and consumer electronics. This chip offers a storage capacity of 64 megabits (8 megabytes) and features a 3-volt power supply, making it energy efficient for portable devices.
The JS28F640J3F75A supports fast read and write operations, with a read access time of 75 nanoseconds. It is built using advanced semiconductor technology to ensure reliability and durability over numerous program and erase cycles. The chip also includes features such as block locking to prevent accidental overwrites and security features to protect data integrity.
With its robust performance and efficient power usage, the JS28F640J3F75A is well-suited for applications that require reliable flash memory, such as firmware storage, code execution, and data storage in embedded systems.

Equivalent

The JS28F640J3F75A is a 64Mb (megabit) NOR Flash memory chip from Intel's StrataFlash® series. Equivalent products might include similar NOR Flash memory chips with comparable density, architecture, and performance characteristics from other manufacturers like the Micron MT28F640J3, Spansion S29GL064, or the Winbond W29GL064. Specific equivalents would depend on application needs such as operating voltage, package type, and read/write speeds. Always consult the datasheets to ensure compatibility for your specific application.

Features

The JS28F640J3F75A is a 64Mb Intel StrataFlash memory component that offers several key features:
1. Density and Architecture: It provides 64 megabits (8MB) of storage capacity, organized in a 4KB sector architecture for efficient memory utilization.
2. Performance: The device features fast read access times and allows for 16-bit data bus operations. It supports asynchronous page mode reads for improved performance.
3. Voltage Compatibility: It operates at a 1.8V core voltage, with a 3.0V I/O, enabling compatibility with low-power applications.
4. Security and Protection: The device includes protection schemes like block-locking and supports a 256-bit protection register for secure code and data storage.
5. Endurance and Reliability: It offers robust endurance with high program/erase cycle capabilities, making it suitable for embedded systems.
6. Packaging and Compatibility: Available in a TSOP or Easy BGA package, it is designed for easy integration into various hardware designs.
These features make the JS28F640J3F75A suitable for applications requiring reliable, high-density, non-volatile memory, such as mobile devices, networking equipment, and embedded systems.

Pinout

The JS28F640J3F75A is a 64Mb (megabit) flash memory device from Intel's StrataFlash® memory line, designed for embedded applications. It typically comes in a TSOP (Thin Small Outline Package) with 56 pins. The device uses Address/Data multiplexing, which allows for a reduction in pin count by sharing the pins for both address and data functions.
Key functions and signals include:
- Address/Control Pins: A0-Amax are used for addressing the memory locations.
- Data I/O Pins: DQ0-DQ15 are used for data input/output.
- CE# (Chip Enable): Activates the memory device.
- OE# (Output Enable): Enables data output from the memory.
- WE# (Write Enable): Controls the write operations.
- RP# (Reset/Power-down): Resets the device or puts it in power-down mode.
- STS (Status): Provides status information about the device operations.
The device supports multiple operations, including read, write, and erase, and is designed for use in systems where high-density, high-performance, and non-volatile memory is required.

Manufacturer

The JS28F640J3F75A is manufactured by Intel Corporation. Intel is a multinational corporation and technology company headquartered in Santa Clara, California. It is known primarily for designing and manufacturing semiconductor chips, which serve as the primary components of computer processors. Intel is one of the world's largest and most well-known semiconductor companies, playing a significant role in the development of microprocessors for personal computers and various other electronic devices. The company is also involved in various areas, including data centers, the Internet of Things (IoT), and artificial intelligence.

Application

The JS28F640J3F75A is a flash memory chip used in various applications due to its non-volatile storage capabilities. Common application areas include:
1. Embedded Systems: Used in microcontrollers and processors for firmware storage.
2. Consumer Electronics: Powers devices like digital cameras, MP3 players, and GPS units.
3. Networking: Employed in routers and switches for configuration data.
4. Automotive: Utilized for infotainment systems and electronic control units (ECUs).
5. Industrial Equipment: Supports programmable logic controllers (PLCs) and human-machine interfaces (HMIs).
These applications benefit from the chip's reliability, speed, and ability to retain data without power.

Package

The JS28F640J3F75A is a 64 Mb (megabit) flash memory device from Intel, part of the StrataFlash® Embedded Memory family. It typically comes in a TSOP (Thin Small Outline Package) or BGA (Ball Grid Array) package, designed for efficient use in embedded applications.

Frequently Asked Questions


Q: What is the memory size and organization of the JS28F640J3F75A?
A: It has 64Mbit capacity, organized as 8M x 8 or 4M x 16 via a parallel interface.


Q: Is this component suitable for surface mount assembly?
A: Yes, it is designed for Surface Mount in a 56-TFSOP package, supplied in tray format.


Q: What voltage supply range does this Flash memory require?
A: It operates from 2.7V to 3.6V, supporting standard 3V system designs.


Q: What is the access time and write cycle time for this device?
A: It features 75 ns access time and 75 ns write cycle time (word/page).


Q: What is the operating temperature range for the JS28F640J3F75A?
A: It is rated for industrial temperature range from -40°C to +85°C (TA).


Q: Can I use this memory for code execution in embedded systems?
A: Yes, as a NOR Flash, it supports random access for execute-in-place (XIP) applications.


Q: Is this component currently in active production?
A: No, the part status is marked as Obsolete; verify stock availability before new designs.


Q: What interface type does this Flash memory use?
A: It uses a parallel memory interface, typical for legacy NOR Flash designs.


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