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MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM

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MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM

MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM
MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM

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Produktdetails:
Herkunftsort: CN
Markenname: MICROCHIP
Zertifizierung: ROHS
Modellnummer: MCP7940N-I/SN
Zahlung und Versand AGB:
Min Bestellmenge: 1
Preis: consult with
Verpackung Informationen: T/R
Lieferzeit: 5-8 TAG
Zahlungsbedingungen: T/T, Western Union
Versorgungsmaterial-Fähigkeit: 10000
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MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM

Beschreibung
Produkt-Kategorie:: Echtzeituhr RTC Bus Interface:: I2C
Betriebstemperaturbereich (°C): -40℃~+85℃ Versorgungsspannung (Minute) (V): 1,8 V
Versorgungsspannung (maximales) (V): 5,5 V Betriebsstrom: 1,2uA

MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM

MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM

Timekeeping Features
  • Real-Time Clock/Calendar (RTCC): Hours, Minutes, Seconds, Day of Week, Day, Month, Year
  • Leap year compensated to 2399
  • 12/24 hour modes
  • Oscillator for 32.768 kHz Crystals: Optimized for 6-9 pF crystals
  • On-Chip Digital Trimming/Calibration: ±1 PPM resolution, ±129 PPM range
  • Dual Programmable Alarms
  • Versatile Output Pin: Clock output with selectable frequency, Alarm output, General purpose output
  • Power-Fail Time-Stamp: Time logged on switchover to and from Battery mode
Low-Power Features
  • Wide Voltage Range: Operating voltage range of 1.8V to 5.5V, Backup voltage range of 1.3V to 5.5V
  • Low Typical Timekeeping Current: Operating from VCC: 1.2 µA at 3.3V, Operating from battery backup: 925 nA at 3.0V
  • Automatic Switchover to Battery Backup
Pin Configuration
Name 8-pinSOIC 8-pinMSOP 8-pinTSSOP 8-pinTDFN 8-pinPDIP Function
X1 1 1 1 1 1 Quartz Crystal Input, External Oscillator Input
X2 2 2 2 2 2 Quartz Crystal Output
VBAT 3 3 3 3 3 Battery Backup Supply Input
Vss 4 4 4 4 4 Ground
SDA 5 5 5 5 5 Bidirectional Serial Data (I2C™)
SCL 6 6 6 6 6 Serial Clock (I2C)
MFP 7 7 7 7 7 Multifunction Pin
Vcc 8 8 8 8 8 Primary Power Supply
MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM 0 MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM 1 MCP7940N-I/SN Battery-Backed I2C™ Real-Time Clock/Calendar With SRAM 2
Packaging & Shipping

Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.

Frequently Asked Questions

How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.

What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.

What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.

What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.

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J
Jacques
France Oct 8.2025
Hilfreich (1)
La préparation de la commande a été rapide. La livraison a été fait à la date prévue. L'objet a été reçu bien emballer et en bon état. La condition de l'objet annoncé correspond à l'objet reçu. Le prix était réaliste. Je rachèterais de ce vendeur. Merci Beaucoup!
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