AT27C040-70JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C040-70JC is a high-performance, low-power, 4-megabit (512K x 8) electrically erasable programmable read-only memory (EEPROM). It is designed to store and retrieve data in various electronic systems.

Characteristics: - High performance - Low power consumption - Large storage capacity - Electrically erasable and reprogrammable - Reliable data retention

Package: The AT27C040-70JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package. This package provides protection and easy integration into electronic circuits.

Essence: The essence of the AT27C040-70JC lies in its ability to store and retrieve data reliably, making it an essential component in many electronic devices.

Packaging/Quantity: The AT27C040-70JC is typically packaged in reels or tubes, with a quantity of 100 units per reel/tube.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Organization: 512K x 8 bits
• Access Time: 70 nanoseconds
• Supply Voltage: 5V ±10%
• Standby Current: 100 microamps (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27C040-70JC has a total of 32 pins, each serving a specific function. Here is the detailed pin configuration:

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. VPP - Programming Voltage Input
13. OE - Output Enable Input
14. CE - Chip Enable Input
15. WE - Write Enable Input
16. I/O0 - Data Input/Output
17. I/O1 - Data Input/Output
18. I/O2 - Data Input/Output
19. I/O3 - Data Input/Output
20. I/O4 - Data Input/Output
21. I/O5 - Data Input/Output
22. I/O6 - Data Input/Output
23. I/O7 - Data Input/Output
24. VCC - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection
29. NC - No Connection
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

The AT27C040-70JC offers the following functional features:

• High-speed access and retrieval of stored data
• Electrically erasable and reprogrammable memory cells
• Low power consumption during standby mode
• Reliable data retention even in harsh environmental conditions
• Easy integration into electronic systems due to its standard pin configuration

Advantages and Disadvantages

Advantages: - High performance and reliability - Large storage capacity - Easy integration into electronic circuits - Low power consumption - Electrically erasable and reprogrammable

Disadvantages: - Limited write endurance compared to other non-volatile memory technologies - Relatively higher cost per bit compared to some alternative memory solutions

Working Principles

The AT27C040-70JC operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a combination of address inputs, control signals, and data inputs/outputs to store and retrieve data. The memory cells within the IC can be selectively programmed or erased using specific voltage levels applied to the appropriate pins.

Detailed Application Field Plans

The AT27C040-70JC finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Its large storage capacity and reliable performance make it suitable for storing firmware, configuration data, lookup tables, and other critical information in these application fields.

Detailed and Complete Alternative Models

Some alternative models to the AT27C040-70JC include: - AT28C64B-15PU: 64 Kilobit (8 Kilobyte) EEPROM with similar characteristics and pin configuration. - AT29C010A-12PC: 1 Megabit (128 Kilobyte) Flash Memory with comparable features and package options. - AT25SF041-SSHD