JS28F128P33B85A

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 various package types (e.g., BGA, TSOP) with different quantities per package

Specifications

• Capacity: 128 megabits (16 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

Detailed Pin Configuration

The JS28F128P33B85A flash memory chip 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. WP#/ACC: Write protect/acceleration control
10. RY/BY#: Ready/busy status output
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 during power loss
• Built-in error correction codes (ECC) for data integrity
• Low power consumption in standby mode
• Support for multiple programming algorithms

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast read/write speeds - High endurance with 100,000 erase/program cycles - Wide operating temperature range - Reliable data retention

Disadvantages: - Limited compatibility with certain devices due to parallel interface - Relatively higher power consumption compared to newer memory technologies

Working Principles

The JS28F128P33B85A flash memory utilizes a floating gate transistor structure to store data. It employs a combination of electric fields and charge trapping mechanisms to retain information even when power is removed. During write operations, charges are injected into the floating gate to represent data. Erase operations remove these charges, allowing new data to be written. The memory controller manages the read, write, and erase operations, ensuring accurate data retrieval and storage.

Detailed Application Field Plans

The JS28F128P33B85A flash memory chip finds applications in various electronic devices, including but not limited to:

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

Its high capacity, fast access times, and reliability make it suitable for storing firmware, operating systems, user data, and other critical information in these devices.

Detailed and Complete Alternative Models

1. JS28F128P30B85A: Similar flash memory chip with lower access time (30 ns)
2. JS28F256P33B85A: Higher capacity flash memory chip (256 megabits)
3. JS28F512P33B85A: Higher capacity flash memory chip (512 megabits)
4. JS28F1024P33B85A: Higher capacity flash memory chip (1024 megabits)

These alternative models offer different specifications and capacities, providing flexibility for various application requirements.

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