Microchip MCP7940M-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC

  • RS Stock No. 912-6943
  • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MCP7940M-I/SN
  • ผู้ผลิต / Manufacturer Microchip
ข้อมูลทางเทคนิค / Technical Data Sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TH
รายละเอียดสินค้า / Product Details

MCP7940M I²C Real-Time Clock/Calendars

The Microchip MCP7940M is Real-Time Clock Calendar (RTCC) that supports I²C communications. The MCP7940M includes a digital trimming circuit for accuracy which can compensate for crystal tolerance and temperature.

The MCP7940M features a multi-functional output that can be configured as an alarm output, to output a selectable frequency square wave or as a general purpose output.

Features

2-Wire Serial Interface, I²C™ Compatible: I²C clock rate up to 400 kHz
On-Chip Digital Trimming/Calibration: ±1 ppm resolution, ±129 ppm range
Tracks Hours, Minutes, Seconds, Day of Week, Day, Month and Year
Leap Year Compensated to 2399
12/24 Hour Modes
Oscillator for 32.768 kHz Crystals: Optimised for 6-9 pF crystals
Dual Programmable Alarms
Versatile Output Pin
Wide Operating Voltage Range: 1.8V to 5.5V
Low Typical Timekeeping Current: 1.2μA at 3.3V

Real Time Clock Peripherals - Microchip

คุณสมบัติ / Specifications
คุณสมบัติ Value
Functions Calendar, NV SRAM
Date Format DW:DM:M:Y
Time Format HH:MM:SS
User RAM 64B
Bus Type Serial-I2C
Mounting Type Surface Mount
Package Type SOIC
Pin Count 8
Dimensions 4.9 x 3.9 x 1.25mm
Length 4.9mm
Width 3.9mm
Height 1.25mm
Maximum Operating Supply Voltage 5.5 V
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Minimum Operating Supply Voltage 1.8 V
200 มีของพร้อมจัดส่งภายใน (In stock for delivery within) 4-6 วันทำการ (working days)
ราคา / Price Each (In a Tube of 100)
คือ THB21.527
THB 16.055
(exc. VAT)
THB 17.179
(inc. VAT)
Units
Per unit
Per Tube*
100 +
THB16.055
THB1,605.50
*ตัวบ่งบอกราคา / price indicative
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