M27C256B-70C1

Product Overview

Category

M27C256B-70C1 belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is commonly used for storing non-volatile data in electronic devices. It allows for permanent storage of information that remains even when power is turned off.

Characteristics

• Non-volatile: The stored data remains intact even without power.
• Programmable: The chip can be programmed with specific data.
• Read-only: The stored data cannot be modified or erased.

Package

M27C256B-70C1 is available in a standard dual in-line package (DIP). This package type is widely used and facilitates easy integration into various electronic systems.

Essence

The essence of M27C256B-70C1 lies in its ability to provide reliable and permanent storage of data in electronic devices.

Packaging/Quantity

This chip 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 manufacturer.

Specifications

• Model: M27C256B-70C1
• Memory Size: 256 kilobits (32 kilobytes)
• Access Time: 70 nanoseconds
• Operating Voltage: 5 volts
• Organization: 32K x 8 bits
• Technology: CMOS

Detailed Pin Configuration

The M27C256B-70C1 chip has a total of 28 pins. Here is the detailed pin configuration:

1. A14 - Address Input
2. A12 - Address Input
3. A7 - Address Input
4. A6 - Address Input
5. A5 - Address Input
6. A4 - Address Input
7. A3 - Address Input
8. A2 - Address Input
9. A1 - Address Input
10. A0 - Address Input
11. VSS - Ground
12. A8 - Address Input
13. A9 - Address Input
14. A11 - Address Input
15. A10 - Address Input
16. CE - Chip Enable
17. OE - Output Enable
18. WE - Write Enable
19. I/O0 - Data Input/Output
20. I/O1 - Data Input/Output
21. I/O2 - Data Input/Output
22. I/O3 - Data Input/Output
23. I/O4 - Data Input/Output
24. I/O5 - Data Input/Output
25. I/O6 - Data Input/Output
26. I/O7 - Data Input/Output
27. VCC - Power Supply
28. NC - No Connection

Functional Features

• High-speed access: The chip offers fast access times, allowing for efficient retrieval of stored data.
• Low power consumption: M27C256B-70C1 operates at low power levels, making it suitable for battery-powered devices.
• Reliable storage: The non-volatile nature of the chip ensures that data remains intact over extended periods.

Advantages and Disadvantages

Advantages

• Permanent storage of data
• Fast access times
• Low power consumption
• Wide range of applications

Disadvantages

• Data cannot be modified or erased once programmed
• Limited storage capacity compared to other memory technologies

Working Principles

M27C256B-70C1 utilizes a combination of electronic circuits and memory cells to store and retrieve data. When the chip is powered on and enabled, the address inputs are used to select a specific memory location. The data stored in that location is then outputted through the data pins.

Detailed Application Field Plans

M27C256B-70C1 finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• M27C256B-70F1: Similar specifications with a different package type (Flat Pack)
• M27C256B-70N1: Similar specifications with a different package type (Plastic Leaded Chip Carrier)
• M27C256B-70X1: Similar specifications with extended temperature range

These alternative models offer similar functionality and performance but may differ in package type or operating conditions.

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