Overview
The CAT28F001G-12T is a high-speed 1 Megabit CMOS Boot Block Flash Memory produced by onsemi. This device is designed for applications that require 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 lock out feature to ensure data integrity. The device is manufactured using advanced CMOS floating gate technology and supports up to 100,000 program/erase cycles with a data retention of 10 years.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Memory Size | 1 Mb (128K x 8) | - | - |
| Memory Interface | Parallel | - | - |
| Access Time | 90/120 ns | - | - |
| Write Cycle Time - Word/Page | 120 ns | - | - |
| VCC Supply Voltage | 4.5 - 5.5 V | V | - |
| VPP During Erase/Program | 11.4 - 12.6 V | V | - |
| Temperature Under Bias | -55°C to +95°C | °C | - |
| Storage Temperature | -65°C to +150°C | °C | - |
| Package Types | 32-pin DIP, PLCC, TSOP | - | JEDEC approved |
| Endurance | 100,000 Cycles/Byte | - | MIL-STD-883, Test Method 1033 |
| Data Retention | 10 Years | - | MIL-STD-883, Test Method 1008 |
Key Features
- Fast Read Access Time: 90/120 ns
- On-Chip Address and Data Latches
- Blocked Architecture: One 8 KB Boot Block, two 4 KB Parameter Blocks, and one 112 KB Main Block
- Low Power CMOS Operation
- Automated Program & Erase Algorithms
- High Speed Programming
- Commercial, Industrial, and Automotive Temperature Ranges
- Deep Powerdown Mode: 0.05 µA ICC Typical, 0.8 µA IPP Typical
- Hardware Data Protection and Electronic Signature
- Reset/Deep Power Down Mode
- 'Green' Package Options Available
Applications
The CAT28F001G-12T is ideally suited for applications requiring in-system or after-sale code updates. These include:
- Embedded Systems
- Industrial Control Systems
- Automotive Systems
- Consumer Electronics
- Any system requiring secure and reliable flash memory for code storage and updates.
Q & A
- What is the memory size of the CAT28F001G-12T?
The memory size is 1 Megabit (128K x 8 bits).
- What are the typical access times for the CAT28F001G-12T?
The typical access times are 90/120 ns.
- What are the different package types available for the CAT28F001G-12T?
The device is available in 32-pin DIP, PLCC, and TSOP packages, all of which are JEDEC approved.
- What is the endurance of the CAT28F001G-12T in terms of program/erase cycles?
The device can endure up to 100,000 program/erase cycles per byte.
- How long does the data retain in the CAT28F001G-12T?
The data retention is 10 years.
- What are the operating temperature ranges for the CAT28F001G-12T?
The device operates in commercial, industrial, and automotive temperature ranges.
- How does the Deep Powerdown Mode function in the CAT28F001G-12T?
In Deep Powerdown Mode, the device reduces power consumption to 0.05 µA ICC Typical and 0.8 µA IPP Typical when RP is at logic-low level.
- Does the CAT28F001G-12T support automated programming and erase algorithms?
Yes, the device integrates automated program and erase algorithms using the Command Register, Status Register, and Write State Machine (WSM).
- How can the IC manufacturer and device type be identified using the CAT28F001G-12T?
The device can be identified through the signature mode by applying a high voltage to address pin A9 or by sending an instruction to the command register.
- What is the purpose of the Boot Block in the CAT28F001G-12T?
The Boot Block section is designed to contain secure code that brings up the system minimally and downloads code to other locations of the CAT28F001G-12T.
