M27C801-120F1

Product Overview

Category

M27C801-120F1 belongs to the category of programmable read-only memory (PROM) chips.

Use

The M27C801-120F1 chip is primarily used for storing data that needs to be permanently retained even when power is turned off. It allows users to write data onto the chip during manufacturing and then read it back later.

Characteristics

• Non-volatile: The data stored in M27C801-120F1 remains intact even without power.
• High storage capacity: The chip has a capacity of 8 megabits (1 megabyte).
• Fast access time: The access time of M27C801-120F1 is 120 nanoseconds, ensuring quick retrieval of data.
• Low power consumption: The chip operates on low power, making it suitable for various applications.
• Durable: M27C801-120F1 is designed to withstand harsh environmental conditions.

Package

M27C801-120F1 is available in a standard dual in-line package (DIP), which consists of 32 pins arranged in two parallel rows.

Essence

The essence of M27C801-120F1 lies in its ability to store large amounts of data reliably and provide fast access to that data.

Packaging/Quantity

The M27C801-120F1 chip is typically packaged individually or in reels. The quantity per package depends on the manufacturer's specifications.

Specifications

• Memory Capacity: 8 Megabits (1 Megabyte)
• Access Time: 120 Nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 32
• Package Type: Dual In-Line Package (DIP)

Detailed Pin Configuration

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VSS (Ground)
13. DQ0
14. DQ1
15. DQ2
16. DQ3
17. DQ4
18. DQ5
19. DQ6
20. DQ7
21. CE (Chip Enable)
22. OE (Output Enable)
23. WE (Write Enable)
24. NC (No Connection)
25. VCC (Power Supply)
26. A14
27. A13
28. A8
29. A9
30. A11
31. A10
32. BYTE (Data Input/Output Selection)

Functional Features

• Chip Enable (CE): Activates the chip for read or write operations.
• Output Enable (OE): Enables the output buffers to provide data on the output pins.
• Write Enable (WE): Allows data to be written onto the chip.
• Data Input/Output Selection (BYTE): Selects the byte-wide or word-wide operation mode.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for various applications.
• Durable design withstands harsh environmental conditions.

Disadvantages

• Limited rewrite capability compared to other types of memory.
• Higher cost per bit compared to some other memory technologies.
• Requires external programming equipment for initial data writing.

Working Principles

M27C801-120F1 is based on the principle of electrically erasable programmable read-only memory (EEPROM). It utilizes a grid of transistors to store and retrieve data. The chip can be programmed by applying specific voltage levels to the control pins, allowing data to be written onto the memory cells. During normal operation, the chip responds to read commands by providing the stored data on the output pins.

Detailed Application Field Plans

M27C801-120F1 finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Consumer electronics 5. Medical devices 6. Communication equipment

Detailed and Complete Alternative Models

1. M27C801-150F1: Similar to M27C801-120F1 but with a faster access time of 150 nanoseconds.
2. M27C801-200F1: Similar to M27C801-120F1 but with a faster access time of 200 nanoseconds.
3. M27C801-250F1: Similar to M27C801-120F1 but with a faster access time of 250 nanoseconds.
4. M27