Overview
The CAT28F001G-12TT is a high-speed 128K x 8 bit electrically erasable and reprogrammable Flash memory produced by onsemi. This device is ideally suited for applications requiring in-system or after-sale code updates. It features a blocked architecture with one 8 KB Boot Block, two 4 KB Parameter Blocks, and one 112 KB Main Block. The Boot Block section can be located at the top or bottom of the memory map and includes a reprogramming write lockout feature to ensure data integrity. The CAT28F001G-12TT is designed with on-chip address latches, data latches, programming and erase algorithms, and is manufactured using advanced CMOS floating gate technology.
Key Specifications
| Parameter | Min | Max | Unit | Description |
|---|---|---|---|---|
| Access Time | - | 120ns | - | Time to access data |
| Voltage - Supply | 4.5V | 5.5V | V | Operating voltage range |
| Operating Temperature | 0°C | 70°C | °C | Temperature range for operation |
| Package Type | - | - | - | 32-pin TSOP, DIP, PLCC |
| Endurance | - | 100,000 cycles/byte | - | Program/erase cycles |
| Data Retention | - | 10 years | - | Data retention period |
| VCC Standby Current (CMOS) | - | 100 µA | µA | Standby current in CMOS mode |
| VCC Deep Power Down Current | - | 1.0 µA | µA | Current in deep power down mode |
Key Features
- Blocked Architecture: One 8 KB Boot Block, two 4 KB Parameter Blocks, and one 112 KB Main Block.
- Write Lockout Feature: Ensures data integrity in the Boot Block section.
- On-Chip Address and Data Latches: Simplifies system design.
- Programming and Erase Algorithms: Integrated on-chip for ease of use.
- Signature Mode: Allows identification of the IC manufacturer and device type.
- Deep Power Down Mode: Reduces power consumption significantly.
- High-Speed Access: Fast access times for efficient data retrieval.
- Advanced CMOS Floating Gate Technology: Ensures reliability and endurance.
Applications
The CAT28F001G-12TT is suitable for various applications that require in-system or after-sale code updates, such as:
- Embedded systems requiring firmware updates.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics needing field upgrades.
- Medical devices requiring secure and reliable data storage.
Q & A
- What is the memory architecture of the CAT28F001G-12TT?
The device features a blocked architecture with one 8 KB Boot Block, two 4 KB Parameter Blocks, and one 112 KB Main Block.
- What is the purpose of the Boot Block in the CAT28F001G-12TT?
The Boot Block is designed to contain secure code that brings up the system minimally and downloads code to other locations.
- How many program/erase cycles can the CAT28F001G-12TT endure?
The device can endure 100,000 program/erase cycles.
- What is the data retention period of the CAT28F001G-12TT?
The data retention period is 10 years.
- What are the available package types for the CAT28F001G-12TT?
The device is available in 32-pin TSOP, DIP, and PLCC packages.
- How does the CAT28F001G-12TT reduce power consumption?
The device features a deep power down mode that reduces power consumption to 0.25µW.
- What is the signature mode in the CAT28F001G-12TT used for?
The signature mode allows the user to identify the IC manufacturer and the type of the device.
- What is the operating voltage range of the CAT28F001G-12TT?
The operating voltage range is 4.5V to 5.5V.
- What is the access time of the CAT28F001G-12TT?
The access time is 120ns.
- Is the CAT28F001G-12TT still in production?
No, the CAT28F001G-12TT is no longer manufactured but substitutes or alternative package types may be available.
