M41T65Q6F - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

M41T65Q6F
Manufacturer

ST Microelectronics
ChipWorker Part#

CW10004465
Category

Real Time Clock IC
Package

QFN-16
Description

Real Time Clock Serial 16Byte Clock/Calendar/Alarm/Timer/Interrupt 16Pin QFN EP T/R
Documentation

Datasheet

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M41T65Q6F Specifications

Attribute	Attribute Value

Part Number	M41T65Q6F
Manufacturer	ST Microelectronics
ChipWorker Part#	CW10004465
Category	Real Time Clock IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	QFN-16
Supply Voltage (DC)	3.60V (max)
Number of Positions	16 Position
Power Dissipation	1000 mW
Memory Size	16 B
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	1000 mW
Supply Voltage	1.3V ~ 4.4V
Supply Voltage (Max)	4.4 V
Supply Voltage (Min)	1.3 V
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Size-Length	3 mm
Size-Width	3 mm
Size-Height	0.88 mm
Weight	0.0009135350936 kg
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

Description
The M41T6x serial access TIMEKEEPER® is a low power serial RTC with a built-in 32.768 kHz oscillator. Eight registers are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. An additional 8 registers provide status/control of alarm, 32 KHz output, calibration, and watchdog functions. Addresses and data are transferred serially via a two line, bi-directional I2C interface. The built-in address register is incremented automatically after each WRITE or READ data byte.
Features
■ Serial RTC with alarm functions
– 400 kHz I2C serial interface
– Memory mapped registers for seconds, minutes, hours, day, date, month, year, and century
– Tenths/hundredths of seconds register
■ 350 nA timekeeping current at 3 V
■ Timekeeping down to 1.0 V
■ 1.3 V to 4.4 V I2C bus operating voltage
– 4.4 V max VCCsuitable for lithium-ion battery operation
■ Low operating current of 35 µA (at 400 kHz)
■ 32 KHz square wave output is on at power-up.
Suitable for driving a microcontroller in lowpower mode. Can be disabled. (M41T62/63/64)
■ Programmable 1 Hz to 32 KHz square wave output (M41T62/63/64)
■ Programmable alarm with interrupt function (M41T62/65)
■ 32 KHz crystal oscillator integrates crystal load capacitors, works with high series resistance crystals
■ Oscillator stop detection monitors clock operation
■ Accurate programmable watchdog
– 62.5 ms to 31 min timeout
■ Software clock calibration. Can adjus timekeeping to within ±2 parts per million (±5 seconds per month)
■ Automatic leap year compensation
■ –40 to +85 °C operation
■ Very small 3 mm x 3 mm, Lead-free 16-lead QFN

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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