CY7C4225V-15ASXC

Product Overview

Category

The CY7C4225V-15ASXC belongs to the category of integrated circuits (ICs), specifically a synchronous dual-port static random access memory (SDP SRAM) chip.

Use

This IC is primarily used in applications that require high-speed and reliable data storage and retrieval. It is commonly employed in networking equipment, telecommunications systems, and other devices that demand efficient data buffering and caching capabilities.

Characteristics

• Synchronous operation: The CY7C4225V-15ASXC operates synchronously with the system clock, ensuring precise timing and data integrity.
• Dual-port architecture: This chip features two independent ports, allowing simultaneous read and write operations from different sources.
• High-speed performance: With a maximum operating frequency of 150 MHz, this IC offers rapid data transfer rates, enabling efficient real-time processing.
• Low power consumption: The CY7C4225V-15ASXC is designed to minimize power usage, making it suitable for battery-powered devices.
• Wide voltage range: It supports a broad supply voltage range, enhancing compatibility with various system configurations.

Package and Quantity

The CY7C4225V-15ASXC is available in a small-outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Memory capacity: 4 megabits (512 kilobytes)
• Organization: 256K x 16 bits
• Access time: 15 ns
• Operating voltage: 3.3V
• Operating temperature range: -40°C to +85°C
• Pin count: 48

Detailed Pin Configuration

The CY7C4225V-15ASXC has a total of 48 pins, which are assigned specific functions. Here is a detailed pin configuration:

1. VCCQ: Power supply for I/O circuitry
2. VCC: Power supply for core logic
3. GND: Ground reference
4. A0-A17: Address inputs
5. DQ0-DQ15: Data input/output pins
6. WE: Write enable
7. OE: Output enable
8. UB/LB: Upper byte/lower byte control
9. CE1, CE2: Chip enable inputs
10. CLK: System clock input
11. BYTE: Byte write enable
12. RST: Reset input
13. INTA, INTB: Interrupt request outputs
14. BUSY: Busy output
15. ADSC: Address status change output

Functional Features

Simultaneous Read and Write Operations

The CY7C4225V-15ASXC allows independent read and write operations to occur simultaneously on its dual ports. This feature enables efficient data transfer between different sources without any conflicts.

Synchronous Operation

By synchronizing its operation with the system clock, this IC ensures accurate timing and reliable data transfer. The synchronous nature of the CY7C4225V-15ASXC minimizes the risk of data corruption or loss.

High-Speed Performance

With a maximum operating frequency of 150 MHz, this IC offers fast data access times, enabling high-speed data processing. It is well-suited for applications that require real-time data handling.

Low Power Consumption

The CY7C4225V-15ASXC is designed to consume minimal power, making it suitable for energy-efficient devices and battery-powered applications. Its low power consumption helps prolong battery life and reduces overall power usage.

Advantages and Disadvantages

Advantages

• Dual-port architecture allows simultaneous read and write operations.
• High-speed performance enables efficient real-time data processing.
• Low power consumption makes it suitable for battery-powered devices.
• Wide voltage range enhances compatibility with different system configurations.

Disadvantages

• Limited memory capacity (4 megabits) compared to newer SRAM chips.
• Access time of 15 ns may not meet the requirements of certain high-performance applications.

Working Principles

The CY7C4225V-15ASXC operates based on static random access memory (SRAM) principles. It stores data in a volatile manner, meaning that the stored information is lost when power is removed. The chip utilizes a dual-port architecture, allowing simultaneous read and write operations from different sources. Synchronous operation ensures precise timing and reliable data transfer.

Detailed Application Field Plans

The CY7C4225V-15ASXC finds application in various fields that require high-speed data storage and retrieval capabilities. Some specific application areas include:

1. Networking Equipment: This IC can be used in routers, switches, and network interface cards to provide efficient data buffering and caching, enhancing overall network performance.
2. Telecommunications Systems: In telecommunications infrastructure, the CY7C4225V-15ASXC can be utilized for buffering and storing voice and data packets, ensuring smooth