AT27C080-15JI

Product Overview

Category

AT27C080-15JI belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used for storing permanent data or program code that cannot be modified once programmed.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27C080-15JI has a capacity of 8 megabits (1 megabyte).
• Fast access time: It operates at a speed of 150 nanoseconds.
• Low power consumption: The chip requires minimal power to operate efficiently.

Package

The AT27C080-15JI is available in a 32-pin plastic package, which ensures easy integration into electronic circuits.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for critical data or program code.

Packaging/Quantity

The AT27C080-15JI is typically packaged in tubes or trays, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 8 megabits (1 megabyte)
• Access Time: 150 nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin plastic package

Detailed Pin Configuration

The AT27C080-15JI has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. A15
14. A13
15. A8
16. A9
17. A11
18. A10
19. OE#
20. CE#
21. WE#
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. I/O4
27. I/O5
28. I/O6
29. I/O7
30. GND
31. NC
32. VCC

Functional Features

• Easy programming: The AT27C080-15JI can be programmed using standard PROM programming equipment.
• High reliability: The stored data is resistant to accidental erasure or modification.
• Efficient power management: The chip consumes low power during both read and standby operations.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• High storage capacity for storing large amounts of data or program code.
• Fast access time allows for quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Inability to modify or update the stored data once programmed.
• Limited endurance: The chip has a finite number of erase/write cycles before it may become unreliable.

Working Principles

The AT27C080-15JI utilizes a technology called electrically erasable programmable read-only memory (EEPROM). It stores data using floating-gate transistors that can be electrically programmed and erased. When a specific voltage is applied to the control pins, the data is written into the memory cells. The stored data can be accessed by applying appropriate signals to the address and control pins.

Detailed Application Field Plans

The AT27C080-15JI finds applications in various fields, including: 1. Embedded systems: Used for storing firmware or boot code in microcontrollers. 2. Automotive electronics: Used for storing critical data or program code in automotive control units. 3. Industrial automation: Used for storing configuration data or program code in programmable logic controllers (PLCs). 4. Consumer electronics: Used for storing firmware or program code in devices such as gaming consoles, set-top boxes, and home appliances.

Detailed and Complete Alternative Models

1. AT27C040-15PU: 4 megabit (512 kilobyte) capacity, 150 nanoseconds access time, 32-pin DIP package.
2. AT27C256R-45PU: 256 kilobit (32 kilobyte) capacity, 450 nanoseconds access time, 28-pin DIP package.
3. AT27LV010A-12JC: 1 megabit (128 kilobyte) capacity, 120 nanoseconds access time, 32-pin PLCC package.

These alternative models offer different capacities, access times, and package options to suit specific application requirements.

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