Overview
The AT28C64B-15PU is a high-performance 64K (8K x 8bit) parallel EEPROM device manufactured by Microchip Technology. This device is packaged in a 28-pin DIP (Dual In-Line Package) and is designed to offer advanced non-volatile CMOS technology. The AT28C64B-15PU provides fast access times of up to 150ns and operates within a single 5V supply voltage range. It is accessed similarly to static RAM for read or write cycles without the need for external components, making it a versatile and efficient memory solution.
Key Specifications
| Attribute | Value |
|---|---|
| Memory Density | 64 Kbit (8 K x 8) |
| Supply Voltage | 4.5V to 5.5V |
| Write Cycle Time (Max) | 10 ms |
| Access Time (Max) | 150 ns |
| Package Style | PDIP-28 |
| Mounting Method | Through Hole |
| Operating Temperature Range | -40°C to +85°C |
| Active Current | 40 mA |
| Standby Current | < 100 μA |
Key Features
- CMOS and TTL compatible inputs and outputs
- Automatic page write operation with a maximum page write cycle time of 10 ms
- Single 5V supply voltage
- Hardware and software data protection
- JEDEC approved byte-wide pin-out
- Internal error correction for extended endurance and improved data retention characteristics
- 64-byte page register allowing writing of up to 64 bytes simultaneously
- High reliability CMOS technology
- Operating temperature range from -40°C to 85°C
Applications
The AT28C64B-15PU is suitable for a variety of applications requiring non-volatile memory, such as:
- Embedded systems and microcontrollers
- Industrial control systems
- Automotive electronics
- Consumer electronics
- Medical devices
- Any application requiring fast and reliable non-volatile memory
Q & A
- What is the memory density of the AT28C64B-15PU?
The AT28C64B-15PU has a memory density of 64 Kbit, organized as 8 K x 8 bits.
- What is the package style of the AT28C64B-15PU?
The AT28C64B-15PU is packaged in a 28-pin DIP (Dual In-Line Package).
- What is the operating temperature range of the AT28C64B-15PU?
The operating temperature range of the AT28C64B-15PU is from -40°C to +85°C.
- What is the maximum access time of the AT28C64B-15PU?
The maximum access time of the AT28C64B-15PU is 150 ns.
- Does the AT28C64B-15PU support hardware and software data protection?
Yes, the AT28C64B-15PU includes both hardware and software data protection mechanisms.
- What is the standby current of the AT28C64B-15PU?
The standby current of the AT28C64B-15PU is less than 100 μA.
- Can the AT28C64B-15PU be accessed like static RAM?
Yes, the AT28C64B-15PU can be accessed like static RAM for read or write cycles without the need for external components.
- What is the maximum page write cycle time of the AT28C64B-15PU?
The maximum page write cycle time of the AT28C64B-15PU is 10 ms.
- Does the AT28C64B-15PU have internal error correction?
Yes, the AT28C64B-15PU includes internal error correction for extended endurance and improved data retention characteristics.
- How many bytes can be written simultaneously using the page register?
The AT28C64B-15PU allows writing of up to 64 bytes simultaneously using its 64-byte page register.
