M27C4002-70C6

Product Overview

Category

The M27C4002-70C6 belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is primarily used for storing data that needs to be permanently stored and cannot be modified. It is commonly employed in various electronic devices, such as computers, consumer electronics, and automotive applications.

Characteristics

• Non-volatile: The M27C4002-70C6 retains its stored data even when power is turned off.
• High storage capacity: This chip has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: With an access time of 70 nanoseconds, it provides quick retrieval of stored data.
• Low power consumption: The M27C4002-70C6 operates on low power, making it suitable for battery-powered devices.

Package

The M27C4002-70C6 is available in a standard 32-pin dual in-line package (DIP). This package ensures compatibility with a wide range of electronic systems.

Essence

The essence of the M27C4002-70C6 lies in its ability to store large amounts of data reliably and securely. Its non-volatile nature ensures that the stored information remains intact over extended periods.

Packaging/Quantity

The M27C4002-70C6 is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and customer requirements.

Specifications

• Storage Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 70 Nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Input/Output Voltage Levels: TTL compatible

Detailed Pin Configuration

The M27C4002-70C6 has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. A16 - Address Input
2. A15 - Address Input
3. A12 - Address Input
4. A7 - Address Input
5. A6 - Address Input
6. A5 - Address Input
7. A4 - Address Input
8. A3 - Address Input
9. A2 - Address Input
10. A1 - Address Input
11. A0 - Address Input
12. VSS - Ground
13. Q7 - Data Output
14. Q6 - Data Output
15. Q5 - Data Output
16. Q4 - Data Output
17. Q3 - Data Output
18. Q2 - Data Output
19. Q1 - Data Output
20. Q0 - Data Output
21. CE - Chip Enable
22. OE - Output Enable
23. WE - Write Enable
24. NC - No Connection
25. VCC - Supply Voltage
26. A14 - Address Input
27. A13 - Address Input
28. A8 - Address Input
29. A9 - Address Input
30. A11 - Address Input
31. A10 - Address Input
32. NC - No Connection

Functional Features

• High-speed operation: The M27C4002-70C6 offers fast access times, allowing for efficient data retrieval.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and compatibility with TTL voltage levels.
• Reliable data storage: The non-volatile nature of this chip ensures that the stored data remains intact even in the absence of power.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Fast access time
• Low power consumption
• Reliable and secure data storage

Disadvantages

• Data cannot be modified once programmed
• Limited flexibility compared to rewritable memory chips

Working Principles

The M27C4002-70C6 operates based on the principle of electrical charge trapping. During programming, the desired data is stored by applying appropriate voltages to specific address lines. Once programmed, the stored data remains unchanged until a new programming operation is performed.

Detailed Application Field Plans

The M27C4002-70C6 finds applications in various fields, including: 1. Computer systems: Used for storing firmware, boot code, and other critical data. 2. Consumer electronics: Employed in devices like televisions, set-top boxes, and audio players for storing configuration settings and firmware. 3. Automotive industry: Utilized in automotive electronic control units (ECUs) for storing calibration data, firmware, and diagnostic information.

Detailed and Complete Alternative Models

1. M27C4002-12F1 - Similar to M27C4002-70C6 but with a slower