M41T256YMT7E representative package visual — not an exact-product photograph

Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN16 sourced attributes1 source document

STMicroelectronics · exact orderable part

M41T256YMT7E

IC RTC CLK/CALENDAR I2C 44-SOP

Type: Clock/Calendar
Interface: I²C, 2-Wire Serial
Time Format: HH:MM:SS:hh (24 hr)
Date Format: YY-MM-DD-dd
Voltage - Supply: 4.5V ~ 5.5V
Voltage - Supply, Battery: 2.5V ~ 3.5V
Current - Timekeeping (Max): 2.5mA @ 4.5V ~ 5.5V
Features: Leap Year, NVSRAM
Operating Temperature: -25°C~70°C

Original manufacturerCommercial terms confirmed per lot

ManufacturerSTMicroelectronics

Package / case44-BSOP (0.337", 8.56mm Width)

Mounting typeSurface Mount

PackingTube

Technical parameters

Technical specifications

16 normalized values · 1 validated source

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M41T256YMT7E technical parameters
Parameter	Value
Base Product Number	M41T256 [1]
Current - Timekeeping (Max)	2.5mA @ 4.5V ~ 5.5V [1]
Date Format	YY-MM-DD-dd [1]
Features	Leap Year, NVSRAM [1]
Interface	I²C, 2-Wire Serial [1]
Mfr	STMicroelectronics [1]
Memory Size	32KB [1]
Mounting Type	Surface Mount [1]
Operating Temperature	-25°C~70°C [1]
Product Status	Obsolete [1]
Time Format	HH:MM:SS:hh (24 hr) [1]
Type	Clock/Calendar [1]
Series	Timekeeper® [1]
Voltage - Supply	4.5V ~ 5.5V [1]
Package / Case	44-BSOP (0.337", 8.56mm Width) [1]
Voltage - Supply, Battery	2.5V ~ 3.5V [1]

Specification references[1]STMicroelectronics M41T256YMT7E vendor product record ↗

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ManufacturerSTMicroelectronicsView brand page →CategoryReal Time ClocksView category page →

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