Product Information

M41T66Q6F

M41T66Q6F electronic component of STMicroelectronics

Datasheet
STMicroelectronics Real Time Clock real-time clock with alarms
Manufacturer: STMicroelectronics
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete

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Availability Price Quantity
0 - WHS 1

MOQ : 1
Multiples : 1

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M41T66Q6F
STMicroelectronics

1 : USD 1.0122
N/A

Obsolete
0 - WHS 2

MOQ : 1
Multiples : 1

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M41T66Q6F
STMicroelectronics

1 : USD 3.1621
N/A

Obsolete
0 - WHS 3

MOQ : 1
Multiples : 1

Stock Image

M41T66Q6F
STMicroelectronics

1 : USD 3.1621
N/A

Obsolete
0 - WHS 4

MOQ : 1
Multiples : 1

Stock Image

M41T66Q6F
STMicroelectronics

1 : USD 5.2817
10 : USD 1.9262
25 : USD 1.8123
100 : USD 1.5638
250 : USD 1.4913
500 : USD 1.3256
1000 : USD 1.1702
3000 : USD 1.1702
N/A

Obsolete
0 - WHS 5

MOQ : 8
Multiples : 1

Stock Image

M41T66Q6F
STMicroelectronics

8 : USD 1.0122
N/A

Obsolete

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
RTC Bus Interface
Date Format
Time Format
RTC Memory Size
Supply Voltage - Max
Supply Voltage - Min
Maximum Operating Temperature
Minimum Operating Temperature
Mounting Style
Package / Case
Packaging
Battery Backup Switching
Function
Series
Brand
Factory Pack Quantity :
Cnhts
Hts Code
Mxhts
Operating Supply Current
Product Type
Subcategory
Taric
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Additional Infomation About Product

M41T66 Serial real-time clock with alarms Features Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century 32 KHz crystal oscillator integrating load capacitance and high crystal series resistance operation Oscillator stop detection monitors clock operation QFN16 3 mm x 3 mm 2 Serial interface supports I C bus (400 kHz) 525 nA timekeeping current at 3 V Low operating current of 35 A (at 400 kHz) Timekeeping down to 1.0 V 2 1.3 V to 4.4 V I C bus operating voltage Allows use in lithium ion rechargeable applications 32 KHz square wave on power-up to drive a microcontroller in low-power mode Programmable (1 Hz to 32 KHz) square wave Programmable alarm with interrupt function Accurate programmable watchdog (from 62.5 ms to 31 min) Software clock calibration to compensate deviation of crystal due to temperature Automatic leap year compensation Operating temperature of 40 to 85 C Lead-free 16-pin QFN package October 2011 Doc ID 15108 Rev 2 1/41 www.st.com 1Contents M41T66 Contents 1 Description . 5 2 Operation 8 2.1 2-wire bus characteristics 8 2.1.1 Bus not busy 8 2.1.2 Start data transfer 8 2.1.3 Stop data transfer 8 2.1.4 Data valid . 9 2.1.5 Acknowledge 9 2.2 READ mode . 10 2.3 WRITE mode 12 3 Clock operation 13 3.1 Clock registers . 14 3.2 Calibrating the clock . 16 3.3 Setting alarm clock registers 18 3.4 Watchdog timer 19 3.5 Square wave output . 20 3.6 Century bits . 20 3.7 Output driver pin 21 3.8 Oscillator stop detection 21 3.9 Initial power-on defaults 22 4 Maximum ratings . 23 5 DC and AC parameters 24 6 Package mechanical data 28 7 Part numbering 32 8 Revision history . 33 2/34 Doc ID 15108 Rev 2

HS Compliance

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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