Name: Microchip AT21CS11-MSH10-T, 1kbit EEPROM Chip 2-Pin XSFN Serial-1 Wire
Brand: Microchip
SKU: 171-7826
Price: 0.28 GBP
Availability: LimitedAvailability

The Microchip AT21CS11 is a 1 Kb Serial EEPROM utilizing the Single-Wire bus. Only two pins are needed to access the device: SI/O and GND. The SI/O signal is a combination data and power line, providing power to the device with a parasitic power scheme. The device is organized as one block of 128 x 8 and is optimized for use in consumer and industrial applications where reliable and dependable nonvolatile memory storage is essential.

128 x 8 (1 Kbit)
Single-Wire Compatible
I²C Protocol Structure
Communication through a single I/O pin
High Speed (125 kbps) Mode
Self-Timed Erase and Write Cycles (5 ms max.)
Low Power Consumption
Software Write Protection
Four independent 256-bit zones
More than 1 million erase/write cycles

Units	Per unit	Per Pack*
50 - 50	£0.237	£11.85
100 +	£0.231	£11.55

Select all	Attribute	Value
	Brand	Microchip
	Memory Size	1kbit
	Interface Type	Serial-1 Wire
	Package Type	XSFN
	Mounting Type	Surface Mount
	Pin Count	2
	Organisation	128 x 8 bit
	Minimum Operating Supply Voltage	2.7 V
	Maximum Operating Supply Voltage	4.5 V
	Programming Voltage	2.7 → 5.5V
	Number of Bits per Word	8bit
	Dimensions	5 x 3.5 x 0.35mm
	Minimum Operating Temperature	-40 °C
	Maximum Operating Temperature	+85 °C
	Number of Words	128
	Data Retention	100yr

	Select all
	Brand Microchip
	Memory Size 1kbit
	Interface Type Serial-1 Wire
	Package Type XSFN
	Mounting Type Surface Mount
	Pin Count 2
	Organisation 128 x 8 bit
	Minimum Operating Supply Voltage 2.7 V
	Maximum Operating Supply Voltage 4.5 V
	Programming Voltage 2.7 → 5.5V
	Number of Bits per Word 8bit
	Dimensions 5 x 3.5 x 0.35mm
	Minimum Operating Temperature -40 °C
	Maximum Operating Temperature +85 °C
	Number of Words 128
	Data Retention 100yr

Microchip AT21CS11-MSH10-T, 1kbit EEPROM Chip 2-Pin XSFN Serial-1 Wire

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