JS28F640P33T85A

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: High capacity, non-volatile, fast read/write speeds
• Package: Integrated Circuit (IC)
• Essence: Non-volatile memory technology for long-term data storage
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Memory Capacity: 64 Megabits (8 Megabytes)
• Interface: Parallel
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature: -40°C to +85°C
• Access Time: 85 ns
• Erase/Program Cycles: 100,000 cycles
• Data Retention: Up to 20 years

Detailed Pin Configuration

The JS28F640P33T85A flash memory IC has the following pin configuration:

1. VCC: Power supply voltage
2. GND: Ground reference
3. A0-A18: Address inputs
4. DQ0-DQ15: Data input/output lines
5. WE#: Write enable control
6. CE#: Chip enable control
7. OE#: Output enable control
8. RP#/BYTE#: Reset/byte enable control
9. RY/BY#: Ready/busy status output
10. WP#/ACC: Write protect or accelerated programming control
11. VPP: Programming voltage supply
12. NC: No connection

Functional Features

• High-speed read and write operations
• Efficient block erase and program operations
• Reliable data retention even in harsh environments
• Low power consumption
• Built-in error correction codes (ECC) for data integrity

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast access times - High endurance - Wide operating temperature range - Low power consumption

Disadvantages: - Relatively higher cost compared to other memory technologies - Limited write endurance compared to some newer memory types

Working Principles

The JS28F640P33T85A flash memory utilizes a floating-gate transistor structure to store data. It employs a combination of electric fields and charge trapping to retain information even when the power is turned off. The memory cells are organized into blocks, which can be individually erased or programmed. During read operations, the stored charge in the memory cells is sensed and converted back into digital data.

Detailed Application Field Plans

The JS28F640P33T85A flash memory is widely used in various electronic devices, including:

1. Solid-state drives (SSDs)
2. Digital cameras
3. Mobile phones
4. Tablets
5. Automotive electronics
6. Industrial control systems
7. Embedded systems

Its high capacity, fast access times, and reliability make it suitable for applications that require non-volatile data storage with frequent read/write operations.

Detailed and Complete Alternative Models

1. JS28F640P30T85A: Similar specifications but with a 30 ns access time.
2. JS28F640P33B85A: Same specifications but available in a different package.
3. JS28F640P33T85B: Similar specifications but with a different pin configuration.

These alternative models offer similar functionality and can be considered as replacements based on specific requirements.

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