M87C257-90C1

Product Overview

Category

M87C257-90C1 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for storing and retrieving digital information.

Characteristics

• Non-volatile memory
• High storage capacity
• Fast access time
• Low power consumption

Package

M87C257-90C1 is available in a compact dual in-line package (DIP) with 28 pins.

Essence

The essence of M87C257-90C1 lies in its ability to provide reliable and efficient data storage in various electronic applications.

Packaging/Quantity

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

Specifications

• Memory Type: EPROM (Erasable Programmable Read-Only Memory)
• Capacity: 32 kilobits (32768 bits)
• Access Time: 90 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The M87C257-90C1 IC has a total of 28 pins, which are assigned specific functions as follows:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. A3: Address Input
5. A4: Address Input
6. A5: Address Input
7. A6: Address Input
8. A7: Address Input
9. A8: Address Input
10. A9: Address Input
11. A10: Address Input
12. A11: Address Input
13. A12: Address Input
14. A13: Address Input
15. A14: Address Input
16. /OE: Output Enable
17. /CE: Chip Enable
18. Vcc: Supply Voltage
19. D0: Data Input/Output
20. D1: Data Input/Output
21. D2: Data Input/Output
22. D3: Data Input/Output
23. D4: Data Input/Output
24. D5: Data Input/Output
25. D6: Data Input/Output
26. D7: Data Input/Output
27. /WE: Write Enable
28. GND: Ground

Functional Features

• Non-volatile storage: The M87C257-90C1 retains data even when the power is turned off.
• High-speed access: With a fast access time of 90 nanoseconds, this IC allows for quick retrieval of stored information.
• Low power consumption: The M87C257-90C1 is designed to operate efficiently with low power requirements.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited write endurance (EPROMs can only be erased and reprogrammed a limited number of times)
• Higher cost compared to other types of memory

Working Principles

The M87C257-90C1 operates based on the principles of EPROM technology. It utilizes a grid of transistors to store digital information in the form of electrical charges. These charges represent binary data (0s and 1s) and can be accessed by applying appropriate voltage levels to the address and control pins.

Detailed Application Field Plans

The M87C257-90C1 finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. M27C256B-12F1: 32 kilobit EPROM with a faster access time of 120 nanoseconds.
2. AT28C256-15PU: 32 kilobit EEPROM (Electrically Erasable Programmable Read-Only Memory) with a slower access time of 150 nanoseconds.
3. AM27C256-200DC: 32 kilobit EPROM with a higher operating temperature range of -55°C to +125°C.

These alternative models offer similar storage capacity and functionality but may have different specifications and characteristics.

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