AT27C800-12JC

Product Overview

Category

AT27C800-12JC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High density: The AT27C800-12JC has a large storage capacity, allowing it to store a significant amount of data.
• Fast access time: With a speed rating of 12 nanoseconds, this chip provides quick access to stored information.
• Low power consumption: The AT27C800-12JC operates efficiently, consuming minimal power during operation.

Package

The AT27C800-12JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the AT27C800-12JC lies in its ability to provide reliable and non-volatile storage for critical data in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 8 Megabits (1 Megabyte)
• Access Time: 12 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 32
• Package Type: PLCC

Detailed Pin Configuration

The AT27C800-12JC features a 32-pin configuration. The pinout diagram is as follows:

```

Pin Name Description

1 A0-A19 Address Inputs 2 CE Chip Enable 3 OE Output Enable 4 WE Write Enable 5 I/O0 Data Input/Output 0 6 I/O1 Data Input/Output 1 7 I/O2 Data Input/Output 2 8 I/O3 Data Input/Output 3 9 I/O4 Data Input/Output 4 10 I/O5 Data Input/Output 5 11 I/O6 Data Input/Output 6 12 I/O7 Data Input/Output 7 13 VCC Power Supply (5V) 14 A20-A22 Address Inputs 15 A23 Address Input 16 A24 Address Input 17 A25 Address Input 18 A26 Address Input 19 A27 Address Input 20 A28 Address Input 21 A29 Address Input 22 A30 Address Input 23 A31 Address Input 24 GND Ground 25-32 NC No Connection ```

Functional Features

The AT27C800-12JC offers the following functional features:

• High-speed access: The chip provides fast access to stored data, enabling efficient retrieval.
• Non-volatile storage: The data remains intact even when power is removed, ensuring reliable and permanent storage.
• Easy integration: The chip can be easily integrated into various electronic systems due to its standard pin configuration and compatibility.

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage
• High-density memory capacity
• Fast access time
• Low power consumption

Disadvantages

• Inability to modify or erase stored data
• Limited storage capacity compared to other memory technologies

Working Principles

The AT27C800-12JC operates based on the principle of electrical programming. The data is written to the memory cells using a specific voltage and timing sequence. Once programmed, the data remains stored in the memory cells until power is removed.

Detailed Application Field Plans

The AT27C800-12JC finds applications in various fields, including:

1. Embedded Systems: Used for storing firmware and configuration data in microcontrollers and other embedded devices.
2. Automotive Electronics: Employed for storing critical data such as calibration values and vehicle-specific settings.
3. Industrial Control Systems: Utilized for storing program code and configuration data in industrial automation systems.
4. Medical Devices: Used for storing patient data, device settings, and firmware in medical equipment.
5. Consumer Electronics: Employed in devices like gaming consoles, set-top boxes, and audio players for storing system software and user data.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT27C800-12JC include:

1. AT28C64B-15PU: 64 Kilobit (8 Kilobyte) EEPROM chip with