IDT71256SA15Y8

Product Overview

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

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 15 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 50 microamps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IDT71256SA15Y8 has a total of 28 pins. The pin configuration is as follows:

1. A12
2. A7
3. A6
4. A5
5. A4
6. A3
7. A2
8. A1
9. A0
10. Vcc
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. CE1
20. CE2
21. WE
22. OE
23. GND
24. NC
25. A8
26. A9
27. A11
28. A10

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 and durable, ensuring data integrity over time.

Advantages

• Fast access time enables efficient data processing.
• Low standby current prolongs battery life in portable devices.
• Small package size saves valuable board space.
• Wide operating temperature range allows for use in various environments.

Disadvantages

• Limited memory size may not be sufficient for certain applications.
• Higher power consumption compared to newer memory technologies.
• Availability of alternative models with higher capacities and faster speeds.

Working Principles

The IDT71256SA15Y8 is a static random access memory (SRAM) chip. It stores data using flip-flops, which retain information as long as power is supplied. When an address is provided, the chip retrieves the corresponding data from its memory cells. The chip's control pins (CE1, CE2, WE, OE) regulate the read and write operations.

Detailed Application Field Plans

The IDT71256SA15Y8 is commonly used in various electronic devices that require fast and reliable data storage. Some typical application fields include:

1. Computer systems
2. Networking equipment
3. Communication devices
4. Industrial automation
5. Consumer electronics

Alternative Models

For those requiring different memory sizes or specifications, the following alternative models can be considered:

1. IDT71321SA25J - 512 kilobits SRAM, 25 ns access time, 32-pin PLCC package
2. IDT71421SA35P - 1 megabit SRAM, 35 ns access time, 44-pin TSOP package
3. IDT71521SA55DB - 2 megabits SRAM, 55 ns access time, 48-pin TSSOP package

These alternative models offer increased memory capacity and varying access times to suit specific application requirements.

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