規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | EPROM |
| Technology | EPROM - OTP |
| Memory Size | 512Kb (64K x 8) |
| Memory Interface | Parallel |
| Access Time | 70 ns |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TC) |
| Mounting Type | Through Hole |
概述
Description
The AT27C512R-70PU is a high-performance, low-power, 512-Kilobit One-Time Programmable (OTP) Read-Only Memory (EPROM) integrated circuit. Manufactured by Microchip Technology, this chip features a storage capacity of 64K x 8 bits, making it suitable for storing firmware and software that do not require updates. The "70PU" designation indicates a 70-nanosecond access time, allowing for quick data retrieval, and the device comes in a 28-pin plastic dual in-line package (PDIP).
Key features of the AT27C512R-70PU include its high-speed performance, low power consumption, and high-reliability storage. The device operates at a voltage range of 4.5V to 5.5V, making it compatible with most standard microprocessor systems. It is designed for use in automotive, industrial, and consumer electronics applications where non-volatile storage is critical. The robustness of the AT27C512R-70PU ensures data retention for up to 100 years with a high level of endurance. However, being OTP EPROM means it cannot be electrically erased or reprogrammed once written, necessitating precision during programming.
Key features of the AT27C512R-70PU include its high-speed performance, low power consumption, and high-reliability storage. The device operates at a voltage range of 4.5V to 5.5V, making it compatible with most standard microprocessor systems. It is designed for use in automotive, industrial, and consumer electronics applications where non-volatile storage is critical. The robustness of the AT27C512R-70PU ensures data retention for up to 100 years with a high level of endurance. However, being OTP EPROM means it cannot be electrically erased or reprogrammed once written, necessitating precision during programming.
Equivalent
The AT27C512R-70PU is a 512Kb (64K x 8) one-time programmable (OTP) EPROM. Equivalent products include:
1. Microchip SST27SF512: A similar OTP EPROM with the same memory size.
2. STMicroelectronics M27C512: Another 512Kb OTP EPROM.
3. AMD AM27C512: Offers equivalent storage and functionality.
4. Winbond W27C512: Compatible with the same memory architecture and size.
When selecting an equivalent, ensure to verify pin compatibility and electrical specifications to match your application needs.
1. Microchip SST27SF512: A similar OTP EPROM with the same memory size.
2. STMicroelectronics M27C512: Another 512Kb OTP EPROM.
3. AMD AM27C512: Offers equivalent storage and functionality.
4. Winbond W27C512: Compatible with the same memory architecture and size.
When selecting an equivalent, ensure to verify pin compatibility and electrical specifications to match your application needs.
Features
The AT27C512R-70PU is a high-performance, low-power, 512K (64K x 8) one-time programmable (OTP) EPROM. Key features include:
1. Fast Access Time: 70 ns access time for quick data retrieval.
2. Low Power Consumption: Efficient power use with 20 mA active current and 100 µA standby current.
3. Single 5V Power Supply: Operates with a single 5V power input.
4. High Reliability: Increased reliability with a robust design.
5. Data Retention: Offers data retention for over 10 years.
6. Wide Temperature Range: Suitable for a range of environments, from commercial to industrial temperatures.
7. Packaging: Available in a 28-pin dual in-line package (DIP).
8. Programming: Compatible with industry-standard programming equipment.
This EPROM is ideal for applications requiring non-volatile memory with fast access and low power consumption. It provides a reliable solution for a variety of electronic devices and systems.
1. Fast Access Time: 70 ns access time for quick data retrieval.
2. Low Power Consumption: Efficient power use with 20 mA active current and 100 µA standby current.
3. Single 5V Power Supply: Operates with a single 5V power input.
4. High Reliability: Increased reliability with a robust design.
5. Data Retention: Offers data retention for over 10 years.
6. Wide Temperature Range: Suitable for a range of environments, from commercial to industrial temperatures.
7. Packaging: Available in a 28-pin dual in-line package (DIP).
8. Programming: Compatible with industry-standard programming equipment.
This EPROM is ideal for applications requiring non-volatile memory with fast access and low power consumption. It provides a reliable solution for a variety of electronic devices and systems.
Pinout
The AT27C512R-70PU is a 512-Kb (kilobit) one-time programmable (OTP) read-only memory (ROM) integrated circuit. It comes in a 28-pin dual in-line package (DIP). Here is a brief overview of its pin count and functions:
- Pins 1-15 and 17-19, 21: These are address pins (A0-A14). They are used to select the address of the memory location to be read.
- Pins 9, 22: These are data output pins (Q0-Q7). They output the data stored at the selected address.
- Pin 20: Chip Enable (CE). This pin must be low for the device to be active.
- Pin 22: Output Enable (OE). This pin must be low to enable the data output buffers and read data.
- Pin 28: VCC. This is the power supply pin.
- Pin 14: Ground (GND). This is the ground pin.
This configuration enables the device to output 8 bits of data for each address within the 64KB memory space. It’s suitable for applications where reliable, non-volatile storage of firmware or other small programs is needed.
- Pins 1-15 and 17-19, 21: These are address pins (A0-A14). They are used to select the address of the memory location to be read.
- Pins 9, 22: These are data output pins (Q0-Q7). They output the data stored at the selected address.
- Pin 20: Chip Enable (CE). This pin must be low for the device to be active.
- Pin 22: Output Enable (OE). This pin must be low to enable the data output buffers and read data.
- Pin 28: VCC. This is the power supply pin.
- Pin 14: Ground (GND). This is the ground pin.
This configuration enables the device to output 8 bits of data for each address within the 64KB memory space. It’s suitable for applications where reliable, non-volatile storage of firmware or other small programs is needed.
Manufacturer
The AT27C512R-70PU is manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that designs and produces a wide range of microcontrollers, mixed-signal, analog, and Flash-IP solutions. The company serves diverse industries, offering products that are used in automotive, consumer electronics, industrial, communications, and computing markets, among others. Microchip is known for its comprehensive product portfolio, which includes microcontrollers, development tools, memory products, and linear & interface products. The company's solutions are integral to applications that require efficient power management, connectivity, and data processing.
Application
The AT27C512R-70PU is a 512Kb (64K x 8) one-time programmable (OTP) EPROM used in applications where permanent data storage is needed. Its primary application areas include:
1. Embedded Systems: Used in microcontroller-based designs to store firmware.
2. Consumer Electronics: Serves as a memory component for storing program code.
3. Industrial Control Systems: Utilized for storing configuration data and operating parameters.
4. Automotive Electronics: Employed to store diagnostic data and control algorithms.
5. Communication Devices: Used for protocol storage and configuration settings.
6. Medical Devices: Applied in storing critical operating software and patient data.
These applications benefit from its non-volatility, reliability, and quick access times.
1. Embedded Systems: Used in microcontroller-based designs to store firmware.
2. Consumer Electronics: Serves as a memory component for storing program code.
3. Industrial Control Systems: Utilized for storing configuration data and operating parameters.
4. Automotive Electronics: Employed to store diagnostic data and control algorithms.
5. Communication Devices: Used for protocol storage and configuration settings.
6. Medical Devices: Applied in storing critical operating software and patient data.
These applications benefit from its non-volatility, reliability, and quick access times.
Package
The AT27C512R-70PU is an EPROM integrated circuit in a PDIP (Plastic Dual In-line Package) form factor. It comes with 28 pins and is designed for through-hole mounting. This package type offers a durable and reliable solution for various electronic applications requiring non-volatile memory.
