Encyclopedia Entry: 71256SA20PZGI

Product Information Overview

Category

The 71256SA20PZGI belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in electronic devices for data storage and retrieval purposes.

Characteristics

• Integrated circuit type: Static Random Access Memory (SRAM)
• Storage capacity: 71256 bits
• Operating voltage: 3.3V
• Access time: 20 nanoseconds
• Package type: Plastic Small Outline J-lead (SOJ)
• Essence: High-speed, low-power memory solution
• Packaging/Quantity: Each package contains one unit of 71256SA20PZGI IC.

Specifications

• Organization: 32K x 8 bits
• Supply voltage: 3.3V ± 10%
• Standby current: 10μA (maximum)
• Operating temperature range: -40°C to +85°C
• Data retention: 10 years (minimum)

Detailed Pin Configuration

The 71256SA20PZGI IC has a total of 28 pins. The pin configuration is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. Vcc
10. I/O0
11. I/O1
12. I/O2
13. I/O3
14. I/O4
15. I/O5
16. I/O6
17. I/O7
18. CE1
19. CE2
20. WE
21. OE
22. GND
23. NC
24. NC
25. NC
26. NC
27. NC
28. NC

Functional Features

• High-speed access: The 71256SA20PZGI offers a fast access time of 20 nanoseconds, allowing for quick data retrieval.
• Low power consumption: This IC operates at a low voltage of 3.3V and has a standby current of only 10μA, making it energy-efficient.
• Reliable data retention: With a minimum data retention period of 10 years, the 71256SA20PZGI ensures long-term storage reliability.

Advantages and Disadvantages

Advantages

• Fast access time enhances overall system performance.
• Low power consumption prolongs battery life in portable devices.
• Compact package size allows for space-saving integration into various electronic devices.
• Reliable data retention ensures data integrity over extended periods.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Higher cost per bit compared to alternative memory solutions.

Working Principles

The 71256SA20PZGI is based on static random access memory (SRAM) technology. It utilizes flip-flops to store and retrieve data. When powered on, the IC maintains the stored information as long as the power supply remains stable. The address lines control the selection of specific memory locations, while the control signals (CE1, CE2, WE, OE) manage read and write operations.

Detailed Application Field Plans

The 71256SA20PZGI finds applications in various electronic systems, including but not limited to: - Computer motherboards - Networking equipment - Industrial control systems - Medical devices - Automotive electronics

Detailed and Complete Alternative Models

• 71256SA20YGI
• 71256SB20PZGI
• 71256SB20YGI
• 71256SC20PZGI
• 71256SC20YGI

These alternative models offer similar specifications and functionality to the 71256SA20PZGI, providing options for different package types or minor variations in performance.

In conclusion, the 71256SA20PZGI is a high-speed, low-power SRAM IC with a storage capacity of 71256 bits. Its compact package and reliable data retention make it suitable for various electronic applications. While it has limitations in terms of storage capacity and cost per bit, it remains a popular choice in many industries.