MCP7940N-I/ST in Tube by Microchip | Real Time Clocks | Future Electronics
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Microchip | MCP7940N-I/ST

Manufacturer Part #

MCP7940N-I/ST

MCP7940N Series 5.5 V 64 byte Low-Cost I2C™ Real-Time Clock/Calendar with SRAM

ECAD Model:
Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
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Product Specification Section
Microchip MCP7940N-I/ST - Technical Attributes
Attributes Table
Interface: I2C
Non-Volatile Memory Size: 64B
Supply Voltage-Nom: 1.8V to 5.5V
Temperature Grade: Industrial
Package Style:  TSSOP-8
Mounting Method: Surface Mount
Features & Applications

The MCP7940N-I/ST is a Low-Cost I2C Real-Time Clock/Calender with 64 bytes of SRAM, available in surface mount TSSOP-8 package.

The Real-Time Clocks uses digital timing compensation for an accurate clock/calendar and a a programmable output control for versatility.

Features:

  • Real-Time Clock/Calendar (RTCC), Battery Backed:
    • Hours, Minutes, Seconds, Day of Week, Day, Month and Year
    • Dual alarm with single output
  • On-Chip Digital Trimming/Calibration:
    • Range -127 to +127 ppm
    • Resolution 1 ppm
  • Programmable Open-Drain Output Control:
    • CLKOUT with 4 selectable frequencies
    • Alarm output
  • Automatic VCC Switchover to VBAT Backup Supply
  • Power-Fail Time-Stamp for Battery Switchover
  • Low-Power CMOS Technology:
    • Dynamic Current: 400 µAmax
    • Battery Backup Current: <700nA @ 1.8V
  • 100 kHz and 400 kHz Compatibility
  • ESD Protection >4,000V
  • Pb-Free and RoHS Compliant
  • Temperature Ranges:
    • Industrial (I): -40°C to +85°C
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Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
6 Weeks
Minimum Order:
500
Multiple Of:
100
Total
$425.00
USD
Quantity
Unit Price
100
$0.87
300
$0.85
1,000
$0.83
2,000
$0.815
4,000+
$0.795
Product Variant Information section