STMICROELECTRONICS  

M41T94 Series 5.5 V SPI Surface Mount Real Time Clock - SOIC-16

Mfr Part#: M41T94MQ6F
Mounting Method:  Surface Mount
Package Style:  SOIC-16
Packaging:  Cut Tape
Std Packaging Qty:  2,500

 
 

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Prices

$3.75 USD (each)
1 - 19 $3.75
20 - 99 $3.63 (Save 3%)
100 - 199 $3.53 (Save 6%)
200+ $3.41 (Save 9%)

Availability

Qty in Stock : 0
Factory Stock : 0
Factory Lead-Time: 24 Weeks
Min. Order Qty: 1
Multiple of: 1
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Overview

Product Highlight

  • Date Format: DW:DM:M:Y
  • Time Format: HH:MM:SS:hh
  • Interface: SPI
  • Non-Volatile Memory Size: 44 B
  • SRAM Size: 8 b
  • Supply Voltage-Nom: 2.7 to 5.5 V
  • Temperature Grade: Industrial
  • Operating Temp Range: -40 to +85 °C
  • Storage Temperatue Range: -55 to +125 °C
The M41T94MQ6F is a part of M41T94 Series serial real-time clock with 44 bytes of NVRAM and a RESET output.

A built-in 32,768Hz oscillator (external crystal controlled) and 8 bytes of the SRAM are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. An additional 12 bytes of RAM provide status/control of Alarm, Watchdog and Square Wave functions. Addresses and data are transferred serially via a serial SPI interface. It has an Operating temperature ranges b/w -40 °C to 85 °C and available in a SO16 package.

Features:

  • Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
  • 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation
  • Serial peripheral interface (2 MHz SPI)
  • Ultra-low battery supply current of 500nA (max)
  • 2.7 to 5.5 V operating voltage
  • 2.5 to 5.5 V oscillator operating voltage
  • Battery low flag
  • Automatic switchover and deselect circuitry
  • 44 bytes of general purpose RAM
  • Programmable alarm and interrupt function (valid even during battery back-up mode)
  • Accurate programmable watchdog timer (from 62.5 ms to 128 s)
  • Microprocessor power-on reset
  • Choice of power-fail deselect voltages (VCC= 2.7 to 5.5 V):
    • THS = VSS; 2.55 V ≤ VPFD≤ 2.70 V
    • THS = VCC; 4.20 V ≤ VPFD≤ 4.50 V
  • Packaging includes a 28-lead SOIC and SNAPHAT® TOP (to be ordered separately) or 16-lead SOIC
  • 28-lead SOIC package provides direct connection for a SNAPHAT TOP which contains the battery and crystal

  View the List of M41T94 Series serial real-time clock

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