93C46C-I/ST

Series:	--
Packaging:	Tube
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	EEPROM
Technology:	EEPROM
Memory Size:	1Kb (128 x 8, 64 x 16)
Clock Frequency:	3MHz
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:	93C46C

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Introduction

The 93C46C-I/ST is a variant of the popular 93C46C series of memory chips, used in a wide variety of applications ranging from reliable non-volatile memory storage to low-power MCU-side read-only memory (ROM) storage. The 93C46C-I/ST chips feature a number of important features, such as an extended read-write cycle period, low power consumption and an extended temperature range, that make them ideal for a variety of memory applications. The purpose of this article is to discuss the application field and working principle of the 93C46C-I/ST series of memory chips.

Application Fields

The 93C46C-I/ST memory chips are widely used in a variety of electronic devices, such as desktop PCs, laptops, tablets, smartphones, embedded systems, and other similar devices. The chips are commonly used as an efficient and reliable means of storing small amounts of non-volatile data, such as user profiles, firmware updates, boot sequences, registers, etc. Additionally, the 93C46C-I/ST chips can be used as ROM memory, typically in microcontroller-based systems such as those used in alarm systems, utilities metering, and the like. The 93C46C-I/ST is an SOP (small outline package) chip, meaning it is small and easy to integrate into a device’s circuitry. This helps to reduce the size of the device, allowing for more efficient use of a devices’ internal space and lower costs for the device manufacturers. Moreover, the 93C46C-I/ST features a wide range of features that make it usable in systemic memory-related applications, such as its extended read-write cycle period, low power consumption, and wide temperature range. This enables the chip to become an important part of a device\'s memory subsystem and ensures its reliability.

Working principle

The 93C46C-I/ST is a serial EEPROM (electrically erasable programmable read-only memory) chip, meaning it is capable of storing data in a non-volatile fashion, without being powered by a battery or similar power source. The chips use an EEPROM cell array, in which each cell contains a ‘charge pump’, or a circuit that uses voltage to change the charge of the cell in order to store a ‘1’ or ‘0’. When data is written to the chip, the voltage stored in the cell is either increased for a ‘1’ or decreased for a ‘0’. To read a data bit, the voltage stored in the cell is compared to the most recently written value. This same process is repeated for all the cells in the array, thus allowing the EEPROM to store and read data. The 93C46C-I/ST also features an extended write cycle period, which allows the chip to withstand up to 20,000 write cycles. This makes the 93C46C-I/ST series of chips highly reliable and ideal for devices that need to store small amounts of non-volatile data. Moreover, the 93C46C-I/ST chips consume very little power, typically in the range of 200 microwatts. This makes them an ideal choice for low-power applications, such as alarm systems, utilities metering, etc. Additionally, the 93C46C-I/ST has an extended temperature range of up to -40°C to +85°C, making it suitable for use in extreme temperatures.

Conclusion

In conclusion, the 93C46C-I/ST memory chips are widely used in a variety of electronic devices, from desktop PCs and laptops to tablets and smartphones, due to their excellent features and reliable performance. They are also highly suitable for applications that need non-volatile memory for data storage or for read-only memory in microcontroller-based devices. The 93C46C-I/ST chips offer an impressive combination of features, such as an extended read-write cycle period, low power consumption and an extended temperature range, making them an ideal choice for a variety of memory applications.

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