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CY14B256LA-SP25XI

Name: CY14B256LA-SP25XI
Rating: 4.7 (12 reviews)

IC NVSRAM 256KBIT PAR 48SSOP

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資料表 CY14B256LA-SP25XI DataSheet
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規格

Part Status	Active
DigiKey Programmable	Not Verified
Memory Type	Non-Volatile
Memory Format	NVSRAM
Technology	NVSRAM (Non-Volatile SRAM)
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	Parallel
Write Cycle Time - Word, Page	25ns
Access Time	25 ns
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-BSSOP (0.295", 7.50mm Width)
Supplier Device Package	48-SSOP
Base Product Number	CY14B256

概述

Description

The CY14B256LA-SP25XI is a non-volatile memory device produced by Cypress Semiconductor, specifically a Serial NOR Flash memory. It features a 256 Kbit (32 K x 8) storage capacity and utilizes a 2.5V power supply. This device is designed for applications requiring data retention without power, making it ideal for embedded systems, automotive applications, and industrial use.
Key specifications include a fast read speed, low power consumption, and a reliable data retention capability of up to 20 years. The "SP" in the model name indicates that it supports a standard serial peripheral interface (SPI) for easy integration with various microcontrollers. Additionally, it has features such as a programmable block erase, page programming, and write protection to enhance data security.
Overall, the CY14B256LA-SP25XI is suitable for applications needing reliable, high-performance non-volatile storage in compact form factors.

Features

The CY14B256LA-SP25XI is a 256K-bit Non-Volatile Static RAM (NVRAM) from Cypress Semiconductor. Key features include:
1. Memory Density: 256 Kbits (32 K x 8).
2. Non-Volatile: Retains data without power due to integrated EEPROM technology.
3. High Speed: Access time of up to 25 ns, facilitating fast data retrieval.
4. Low Power Consumption: Operates with low voltage (1.8V to 3.6V) and offers low standby power.
5. Seamless Memory Operation: Combines the speed of SRAM with the non-volatility of EEPROM.
6. Endurance: Supports up to 1 million write cycles per cell.
7. Data Retention: Ensures data retention for over 20 years at 85°C.
8. Package Options: Available in a 44-pin FSOIC or 48-ball BGA package for versatile application design.
These features make the CY14B256LA-SP25XI suitable for applications requiring reliable data storage, such as in industrial, automotive, and consumer electronics.

Package

The CY14B256LA-SP25XI is packaged in a 48-lead TSOP (Thin Small Outline Package) form factor. This package type is designed for high-density, low-profile applications commonly used in memory components.

Pinout

The CY14B256LA-SP25XI is a 256 Kbit (32 K x 8) Serial NOR Flash memory device. It has a total of 8 pins. The functions of these pins are as follows:
1. VCC: Power supply.
2. GND: Ground.
3. SCLK: Serial clock input for synchronization.
4. CS#: Chip select (active low).
5. DI: Data input for writing data to the memory.
6. DO: Data output for reading data from the memory.
7. WP#: Write protect (active low, to prevent writing).
8. HOLD#: Hold (active low, to pause serial communication).
This device is used for non-volatile data storage in applications requiring low power consumption and high endurance.

Manufacturer

The manufacturer of the CY14B256LA-SP25XI is Cypress Semiconductor Corporation, which is now part of Infineon Technologies. Cypress was known for its innovative solutions in the semiconductor industry, focusing on memory, microcontrollers, and other embedded systems. The CY14B256LA-SP25XI is a 256-Kbit (32K x 8) serial NOR flash memory, designed for applications requiring non-volatile data storage.
Cypress was recognized for its role in developing cutting-edge technology for automotive, industrial, consumer electronics, and IoT markets. Its acquisition by Infineon Technologies in 2020 expanded Infineon's portfolio, integrating Cypress's expertise in connectivity and memory solutions, thus enhancing its global market presence in the semiconductor sector.

Application

The CY14B256LA-SP25XI is a serial NOR Flash memory device primarily used in automotive applications, including advanced driver-assistance systems (ADAS), infotainment systems, and engine control units (ECUs). Its non-volatile storage capabilities are suitable for firmware and configuration data retention in harsh environments, ensuring reliability and long lifespan in critical automotive functions. Additionally, it can be utilized in industrial and consumer electronics for data storage and retrieval.

Equivalent

The CY14B256LA-SP25XI is a 256 Kbit (32 K x 8) non-volatile SRAM. Equivalent products include:
1. Microchip 25AA256 - EEPROM alternative.
2. STMicroelectronics M25P256 - Flash memory variant.
3. Winbond W25Q256 - Serial NOR Flash.
For direct SRAM equivalents, look for other non-volatile SRAM products from manufacturers like Cypress, Microchip, or similar specifications. Always check datasheets for specific compatibility.