Product Information

M41ST85WMX6

M41ST85WMX6 electronic component of STMicroelectronics

Datasheet
Real Time Clock Serial 512 (64x8)
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)

28: USD 5.4054 ea
Line Total: USD 151.35

0 - Global Stock
MOQ: 28  Multiples: 1
Pack Size: 1

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0 - WHS 1


Ships to you between Fri. 17 May to Thu. 23 May

MOQ : 28
Multiples : 1

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M41ST85WMX6
STMicroelectronics

28 : USD 5.4054
56 : USD 5.2533
112 : USD 5.1129
252 : USD 4.914
588 : USD 4.914
1204 : USD 4.914

Read More Specifications

     
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Product Category
RoHS - XON
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Additional Infomation About Product

M41ST85W 2 3.0/3.3 V I C combination serial RTC, NVRAM supervisor and microprocessor supervisor Features SNAPHAT battery & crystal Automatic battery switchover and WRITE protect for: Internal serial RTC and External low power SRAM (LPSRAM) 2 28 400 kHz I C serial interface 1 3.0/3.3 V operating voltage SOH28 V = 2.7 to 3.6 V CC Embedded crystal Ultralow battery supply current of 500 nA (max) RoHS compliant Lead-free second level interconnect SOX28 Serial RTC features 2 400 kHz I C Power-on reset/low voltage detect 44 bytes of general purpose NVRAM Open drain reset output Counters for: Reset voltage, V = 2.60 V (nom) PFD Seconds, minutes, hours, day, date, month, Two reset input pins and year Watchdog can be steered to reset output Century Tenths/hundredths of seconds NVRAM supervisor features Clock calibration register allows Non-volatizes external LPSRAM compensation for crystal variations over Automatically switches to back-up battery temperature and deselects (write-protects) external Programmable alarm with repeat modes LPSRAM via chip-enable gate Functions in battery back-up mode Power-fail deselect (write protect) voltage, V = 2.60 V (nom) Power-down timestamp (HT bit) PFD Switchover, V = 2.50 V (nom) SO 2.5 to 5.5 V oscillator operating voltage Battery monitor (battery low flag) Microprocessor supervisor features Other features Programmable watchdog Programmable squarewave generator (1 Hz to 62.5 ms to 128 s time-out period 32 KHz) Early power-fail warning circuit (PFI/PFO) with 40C to +85C operation 1.25 V precision reference Package options: 28-lead SNAPHAT IC (SOH28) SNAPHAT battery/crystal top to be ordered separately 28-lead embedded crystal SOIC (SOX28) October 2011 Doc ID 7531 Rev 11 1/43 www.st.com 1Contents M41ST85W Contents 1 Description . 6 2 Operating modes . 12 2.1 2-wire bus characteristics . 12 2.1.1 Bus not busy . 13 2.1.2 Start data transfer . 13 2.1.3 Stop data transfer . 13 2.1.4 Data valid 13 2.1.5 Acknowledge . 13 2.2 Read mode 15 2.3 Write mode 17 2.4 Data retention mode . 17 3 Clock operation 19 3.1 Power-down time-stamp 19 3.2 TIMEKEEPER registers . 19 3.3 Calibrating the clock . 21 3.4 Setting alarm clock registers 23 3.5 Watchdog timer 24 3.6 Square wave output . 25 3.7 Power-on reset . 25 3.8 Reset inputs (RSTIN1 & RSTIN2) 26 3.9 Power-fail input/output . 26 3.10 Century bit 27 3.11 Output driver pin 27 3.12 Battery low warning . 27 3.13 t bit 28 rec 3.14 Initial power-on defaults 28 4 Maximum ratings . 29 5 DC and AC parameters 30 2/43 Doc ID 7531

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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