IDT71256SA12TP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power, static random-access memory (SRAM)
• Package: 28-pin plastic SOJ (Small Outline J-lead)
• Essence: Provides fast and reliable data storage and retrieval capabilities
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 12 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 50 microamps (typical)
• Operating Temperature: -40°C to +85°C

Pin Configuration

The IDT71256SA12TP has a total of 28 pins. The pin configuration is as follows:

1. A9
2. A8
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. I/O0
12. I/O1
13. I/O2
14. I/O3
15. I/O4
16. I/O5
17. I/O6
18. I/O7
19. Vcc (+5V)
20. GND (Ground)
21. CE1 (Chip Enable 1)
22. CE2 (Chip Enable 2)
23. WE (Write Enable)
24. OE (Output Enable)
25. I/O8
26. I/O9
27. I/O10
28. I/O11

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low-power consumption makes it suitable for battery-powered devices.
• Static design eliminates the need for constant refreshing of data.
• Reliable performance ensures data integrity.

Advantages

• Fast access time enables efficient data processing.
• Low power consumption prolongs battery life in portable devices.
• Compact package size saves board space.
• High reliability ensures data integrity.

Disadvantages

• Limited memory capacity compared to newer memory technologies.
• Relatively higher cost per bit compared to other memory options.
• Requires external circuitry for address decoding and control signals.

Working Principles

The IDT71256SA12TP is a static random-access memory (SRAM) chip. It stores data using flip-flops, which retain their state as long as power is supplied. The chip uses an array of transistors and capacitors to store and retrieve data. When the chip receives a read or write command along with the appropriate address, it accesses the corresponding memory location and performs the requested operation.

Detailed Application Field Plans

The IDT71256SA12TP is commonly used in various applications that require fast and reliable data storage and retrieval. Some typical application fields include:

1. Computer systems: Used as cache memory or for storing critical system data.
2. Communication equipment: Provides temporary storage for data packets and control information.
3. Industrial automation: Stores configuration data, program code, and real-time data in control systems.
4. Medical devices: Used for data buffering and temporary storage in medical imaging equipment.
5. Automotive electronics: Enables quick access to critical data in automotive control units.

Alternative Models

There are several alternative models available that offer similar functionality to the IDT71256SA12TP. Some popular alternatives include:

1. MT62256: Manufactured by Micron Technology, this SRAM chip offers the same memory size and organization.
2. CY62256: Produced by Cypress Semiconductor, this SRAM chip also provides 256 kilobits of memory with similar characteristics.
3. AS6C62256: Manufactured by Alliance Memory, this SRAM chip is a drop-in replacement for the IDT71256SA12TP.

These alternative models can be considered based on specific requirements and availability.

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