IDT7164S20Y8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power, static RAM
• Package: 28-pin DIP (Dual Inline Package)
• Essence: Storage and retrieval of digital information
• Packaging/Quantity: Typically sold in tubes of 25 units

Specifications

• Capacity: 64 kilobits (8 kilobytes)
• Organization: 8,192 words x 8 bits
• Access Time: 20 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 100 microamps (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IDT7164S20Y8 has a total of 28 pins. The pin configuration is as follows:

1. A0 - Address Input 0
2. A1 - Address Input 1
3. A2 - Address Input 2
4. A3 - Address Input 3
5. A4 - Address Input 4
6. A5 - Address Input 5
7. A6 - Address Input 6
8. A7 - Address Input 7
9. VCC - Power Supply (+5V)
10. CE - Chip Enable
11. OE - Output Enable
12. WE - Write Enable
13. I/O0 - Data Input/Output 0
14. I/O1 - Data Input/Output 1
15. I/O2 - Data Input/Output 2
16. I/O3 - Data Input/Output 3
17. I/O4 - Data Input/Output 4
18. I/O5 - Data Input/Output 5
19. I/O6 - Data Input/Output 6
20. I/O7 - Data Input/Output 7
21. GND - Ground 22-28. NC - No Connection

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low-power consumption makes it suitable for battery-powered devices.
• Static RAM technology ensures data retention without the need for constant refreshing.
• Easy integration into various digital systems due to its standard pin configuration.

Advantages and Disadvantages

Advantages: - Fast access time enables efficient data processing. - Low power consumption prolongs battery life in portable devices. - Reliable storage of digital information without the need for constant refreshing.

Disadvantages: - Limited capacity compared to modern memory chips. - Relatively larger physical size due to the DIP package.

Working Principles

The IDT7164S20Y8 is a static RAM chip that stores digital information using a matrix of flip-flops. It operates by latching the input data onto the internal memory cells when the write enable (WE) signal is active. The stored data can be accessed by providing the appropriate address on the address inputs (A0-A7) and enabling the chip enable (CE) and output enable (OE) signals. The accessed data is then available on the data input/output pins (I/O0-I/O7).

Detailed Application Field Plans

The IDT7164S20Y8 is commonly used in various applications, including:

1. Computer Systems: Used as cache memory or for storing critical system data.
2. Embedded Systems: Provides temporary storage for program code and data in microcontrollers.
3. Communication Equipment: Utilized for buffering and storing data packets in networking devices.
4. Industrial Control Systems: Used for storing configuration settings and real-time data in control units.
5. Automotive Electronics: Employed in electronic control units (ECUs) for storing calibration data and sensor readings.

Detailed and Complete Alternative Models

1. IDT7164L20Y - Similar to IDT7164S20Y8 but operates at a lower voltage (3.3V).
2. CY62256NLL-70PXC - 32 kilobit (4 kilobyte) static RAM chip with a faster access time of 70 nanoseconds.
3. AS6C4008-55PCN - 512 kilobit (64 kilobyte) static RAM chip with a wider data bus (16 bits).

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