Product Information

M41T81SMY6F

M41T81SMY6F electronic component of STMicroelectronics

Datasheet
Real Time Clock Serial Access Real Time Clock
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)

1000: USD 4.4436 ea
Line Total: USD 4443.6

71780 - Global Stock
Ships to you between
Tue. 07 May to Mon. 13 May
MOQ: 1000  Multiples: 1000
Pack Size: 1000

 More Buying Options & Price Grid(s)

Availability Price Quantity
970 - Warehouse 1


Ships to you between Tue. 07 May to Mon. 13 May

MOQ : 1000
Multiples : 1000

Stock Image

M41T81SMY6F
STMicroelectronics

1000 : USD 6.799

71780 - Warehouse 2


Ships to you between Tue. 07 May to Mon. 13 May

MOQ : 1000
Multiples : 1000

Stock Image

M41T81SMY6F
STMicroelectronics

1000 : USD 4.4436

Read More Specifications

     
Manufacturer
Product Category
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
Hts Code
LoadingGif

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Additional Infomation About Product

M41T81S Serial access real-time clock (RTC) with alarms Datasheet production data Features Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, 8 year, and century 1 32 KHz crystal oscillator with integrated load capacitance (12.5 pf) which provides SO8 exceptional oscillator stability and high crystal 8-pin SOIC series resistance operation) Oscillator stop detection (monitors clock operation) 2 Serial interface supports I C bus (400 kHz protocol) 18 Ultra-low battery supply current of 0.6 A (typ) 1 2.0 to 5.5 V clock operating voltage Automatic switchover and deselect circuitry SOX18 (fixed reference) which provides full operation 18-pin (300 mil) SOIC with embedded crystal in 3.0 V applications) V = 2.7 to 5.5 V CC 2.5 V V 2.7 V PFD Power-down time-stamp (HT bit) which allows determination of time elapsed in battery backup Battery low flag Programmable alarm and interrupt function (valid even during battery backup mode) Accurate programmable watchdog timer (from 62.5 ms to 128 s) Software clock calibration (to compensate for crystal deviation due to temperature) Operating temperature of 40 to 85 C Package options include an 8-lead SOIC or 18-lead embedded crystal SOIC May 2012 Doc ID 10773 Rev 7 1/32 This is information on a product in full production. www.st.com 1Contents M41T81S Contents 1 Description . 6 2 Operation 9 2-wire bus characteristics 9 Bus not busy . 10 Start data transfer . 10 Stop data transfer . 10 Data valid . 10 Acknowledge . 10 READ mode . 11 WRITE mode 13 Data retention mode . 13 3 Clock operation 14 Power-down time-stamp 14 Clock registers . 14 Calibrating the clock . 16 Setting alarm clock registers . 17 Watchdog timer . 19 Square wave output . 20 Century bit . 20 Battery low warning 21 Oscillator fail detection . 21 Oscillator fail interrupt enable 21 Output driver pin 22 Preferred initial power-on default . 22 4 Maximum ratings . 23 5 DC and AC parameters 24 6 Package mechanical data 28 2/32 Doc ID 10773 Rev 7

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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