Encyclopedia Entry: 71V2556S150PFG8

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 71V2556S150PFG8 is a high-speed synchronous static random access memory (SRAM) IC. It is commonly used in various electronic devices and systems that require fast and reliable data storage and retrieval.

Characteristics: - High-speed operation - Synchronous interface - Low power consumption - Large storage capacity - Reliable data retention

Package: The 71V2556S150PFG8 is available in a compact and durable plastic package, which protects the IC from external elements and provides ease of handling during installation.

Essence: This IC serves as a crucial component in electronic devices by providing fast and efficient data storage capabilities, enhancing overall system performance.

Packaging/Quantity: The 71V2556S150PFG8 is typically packaged in reels or trays, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Synchronous SRAM
• Organization: 256K x 36 bits
• Operating Voltage: 3.3V
• Access Time: 10 ns
• Clock Frequency: Up to 150 MHz
• Power Consumption: Low power operation
• Temperature Range: -40°C to +85°C
• Package Type: Plastic FBGA (Fine-Pitch Ball Grid Array)
• Pin Count: 119 pins

Detailed Pin Configuration

The 71V2556S150PFG8 IC has a total of 119 pins, each serving a specific function. Here is a brief overview of the pin configuration:

• Pins 1-36: Data Input/Output (DQ0-DQ35)
• Pins 37-44: Address Inputs (A0-A7)
• Pins 45-52: Address Inputs (A8-A15)
• Pins 53-60: Address Inputs (A16-A23)
• Pins 61-68: Address Inputs (A24-A31)
• Pins 69-76: Chip Enable (CE1, CE2)
• Pins 77-84: Write Enable (WE1, WE2)
• Pins 85-92: Output Enable (OE1, OE2)
• Pins 93-100: Clock Input (CLK, CLKEN)
• Pins 101-108: Miscellaneous Control Signals
• Pins 109-116: Power Supply and Ground Connections
• Pins 117-119: No Connection (NC)

For a more detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

The 71V2556S150PFG8 offers several functional features that contribute to its efficient operation:

1. High-Speed Operation: With an access time of 10 ns and a clock frequency of up to 150 MHz, this IC enables rapid data storage and retrieval, enhancing overall system performance.

2. Synchronous Interface: The synchronous interface ensures synchronized communication between the IC and the system, allowing for precise timing control and reliable data transfer.

3. Low Power Consumption: The IC is designed to operate with low power consumption, making it suitable for battery-powered devices and energy-efficient systems.

4. Large Storage Capacity: With an organization of 256K x 36 bits, the IC provides a substantial amount of storage space for data-intensive applications.

5. Reliable Data Retention: The SRAM technology employed in this IC ensures reliable data retention even during power loss or system shutdowns.

Advantages and Disadvantages

Advantages: - High-speed operation enhances system performance. - Synchronous interface allows for precise timing control. - Low power consumption makes it suitable for energy-efficient systems. - Large storage capacity accommodates data-intensive applications. - Reliable data retention ensures data integrity.

Disadvantages: - Limited storage capacity compared to other memory technologies like NAND or NOR flash. - Higher cost per bit compared to alternative memory solutions.

Working Principles

The 71V2556S150PFG8 operates based on the principles of synchronous static random access memory (SRAM). It utilizes a synchronous interface, where data transfers are synchronized with the clock signal. The IC stores and retrieves data by accessing specific memory locations determined by the address inputs.

During operation, the chip enable signals (CE1, CE2) activate the IC, allowing data to be read from or written to the memory array. The write enable signals (WE1, WE2) control the writing of data into the memory, while the output enable signals (OE1, OE2) enable the data outputs.

The clock input (CLK) synchronizes the data transfer between the IC and the system, ensuring accurate timing control. Various control signals and power connections facilitate proper functioning