W25Q128JVEIQ

Series:	SpiFlash®
Packaging:	Tube
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH - NOR
Memory Size:	128Mb (16M x 8)
Clock Frequency:	133MHz
Write Cycle Time - Word, Page:	3ms
Memory Interface:	SPI - Quad I/O
Voltage - Supply:	2.7 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-WDFN Exposed Pad
Supplier Device Package:	8-WSON (8x6)

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Memory

W25Q128JVEIQ is a high-performance, small footprint, low pin-count flash memory device developed by Winbond Electronics Corporation. It is one of the few devices on the market with a JEDEC 8-pin interface that can reach 128Mbits at 133MHz. The device has two configurations, the 8-pin SOIC (Small Outline Integrated Circuit) and the 8-pin TSSOP (Thin Shrink Small Outline Package) packages.The W25Q128JVEIQ has a total memory capacity of 16Mbytes in a single 8-pin package. It is the densest single 8-pin package available for this device. It also has fast reading and writing speeds of up to 133MHz. The device does not require additional power, because all power is supplied from the device. It is a 3.3V device, but can be powered from a 1.8V or 2.5V power supply.The device supports both, a Serial Peripheral Interface (SPI) and Double Data Rate (DDR) interfaces. The SPI can run at the speeds of 25MHz, 50MHz, 75MHz, and 133MHz and communicates with a 4 or 8-bit data bus. The DDR uses a 50MHz and 133MHz bus, allowing for higher data rates. The SPI and DDR may be used simultaneously, or independently.The W25Q128JVEIQ uses an advanced memory architecture, which includes a two-stage addressing scheme, flexible block size configurations, and Multi-I/O operations. It also supports fast reads using both single and dual I/O read operations. The device has security and protection features, including Password protection and memory protection.The W25Q128JVEIQ has multiple applications. It can be used for code storage in embedded systems, mass storage and code shadowing, data logging, data retention, and programmable logic devices. It can also be used for security, cryptography, system and memory configuration.The W25Q128JVEIQ has a working principle similar to other memory devices. It uses a combination of transistors, capacitors and diodes to store and retrieve data. The transistors control the paths of the electrical current, the capacitors store electrical charge, and the diodes control the direction of the current.The W25Q128JVEIQ is a reliable and robust device, but is subject to wear and tear, especially with heavy use. It is important to protect the device against ESD damage and store it at recommended temperatures.

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