CY14B256L-SZ45XI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory storage
• Characteristics: High-density, low-power consumption
• Package: SZ45XI
• Essence: CY14B256L is a 256Kbit (32K x 8) Serial NVSRAM with a wide voltage range and a high-speed SPI-compatible bus.
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements.

Specifications

• Memory Size: 256Kbit (32K x 8)
• Interface: SPI-compatible
• Supply Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The CY14B256L-SZ45XI has the following pin configuration:

1. VCC - Power supply
2. GND - Ground
3. HOLD - Suspends serial communication
4. WP - Write protect
5. SCK - Serial clock input
6. SI - Serial data input
7. SO - Serial data output
8. CS - Chip select

Functional Features

• High-speed SPI-compatible interface for fast data transfer
• Low power consumption for energy-efficient operation
• Non-volatile memory retains data even when power is lost
• Wide voltage range allows compatibility with various systems
• Built-in write protection and suspend features for enhanced security

Advantages and Disadvantages

Advantages

• High-density memory storage
• Fast data transfer rate
• Low power consumption
• Long data retention period
• Wide operating temperature range

Disadvantages

• Limited endurance (100,000 write cycles)
• Requires external components for proper operation

Working Principles

The CY14B256L-SZ45XI is based on the Serial Peripheral Interface (SPI) protocol. It utilizes non-volatile memory technology to store data even when power is disconnected. The SPI interface allows for high-speed communication between the IC and the host system, enabling fast read and write operations. The chip's low-power design ensures efficient energy usage, making it suitable for battery-powered devices.

Detailed Application Field Plans

The CY14B256L-SZ45XI is commonly used in various applications, including:

1. Industrial Control Systems: Used for storing critical configuration data and program code in PLCs, motor drives, and other industrial control systems.
2. Automotive Electronics: Enables reliable data storage in automotive applications such as engine management systems, infotainment systems, and instrument clusters.
3. Medical Devices: Provides non-volatile memory storage for medical equipment, ensuring data integrity and reliability.
4. Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics to store user preferences, settings, and firmware updates.

Detailed and Complete Alternative Models

1. CY14B101L-SZ25XI: 128Kbit (16K x 8) Serial NVSRAM with similar features but lower density.
2. CY14B512L-SZ85XI: 512Kbit (64K x 8) Serial NVSRAM with higher density for applications requiring more storage capacity.
3. CY14B001M-SZ10XI: 1Mbit (128K x 8) Serial NVSRAM with increased memory size for demanding applications.

These alternative models offer different memory sizes and densities to cater to specific application requirements.

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