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JS28F640J3F75A
+BOMIC FLASH 64MBIT PARALLEL 56TSOP
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ManufacturerMicron Technology Inc.
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Mfr. Part #JS28F640J3F75A
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Datasheet JS28F640J3F75A DataSheet
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In Stock5687
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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 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
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
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
Application
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
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.