93C46AT-I/ST

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	EEPROM
Technology:	EEPROM
Memory Size:	1Kb (128 x 8)
Clock Frequency:	2MHz
Write Cycle Time - Word, Page:	2ms
Memory Interface:	SPI
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	93C46A

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Memory is one of the most important and essential components in an electrical system. It can store large amounts of data and help the system work faster, and it is often used in computer systems and electrical systems to store information. One type of memory that is often used is the 93C46AT-I/ST. Let\'s take a look at its application field and working principle.The 93C46AT-I/ST is a type of non-volatile memory, meaning that it can retain stored information even when the power is turned off. It is also a type of serial EEPROM, which stands for Electrically Erasable Programmable Read Only Memory. The 93C46AT-I/ST is an 8K-bit memory, organized as 1,048,576 8-bit words. It is designed for easy interface with low-to-medium complexity microcontrollers by using only three lines for data, clock and chip selection.The main application field for the 93C46AT-I/ST is in automotive systems, such as models of engine control units and electronic control systems, where high reliability and low power consumption are required. It is also often used in security systems, due to its low power consumption and ease of interface. Other uses include data storage and control systems, where the 93C46AT-I/ST can be used to store data for easy access and update, as well as for control system operation.The 93C46AT-I/ST has a few key features that make it suitable for these application fields. Firstly, it has a standby current of 0.2mA, making it ideal for use in systems where power consumption needs to be kept low. Secondly, it has a high speed write cycle of 6 MHz and a short write delay of 25µs, which allows for faster operation in systems. Lastly, the 93C46AT-I/ST also has data protection features, such as write protection and data security code, that provide extra security for data stored in the memory.The working principle of the 93C46AT-I/ST is relatively simple. The device consists of a memory array, address decoder and control circuitry. The memory array is organized into pages, each containing 8 words. These pages of 8 words can be accessed by using one of the device\'s two address inputs (A0 and A1). In addition, the device also has an enable input (E) and a write enable input (WE).To read data from the 93C46AT-I/ST, first the device needs to be enabled by bringing the enable input (E) high. Then, the desired page is selected by setting the two address inputs (A0 and A1) to the desired address. Finally, the data can be read from the selected page by bringing the read enable input (RE) low.To write data to the 93C46AT-I/ST, first the device needs to be enabled by bringing the enable input (E) high, followed by the write enable input (WE) high. Then, the desired page is selected by setting the two address inputs (A0 and A1) to the desired address. Finally, the data is written to the selected page by bringing the write enable input (WE) low.In conclusion, the 93C46AT-I/ST is a type of non-volatile memory that is well-suited for automotive systems and other applications that require low power consumption, high speed operations and added data protection. Understand its working principle will help to make full use of the 93C46AT-I/ST.

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