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UPD4990AG

Features: • Built-in counters for time (hour, minute, and second) and date (year, month, day, and week)• Leap years are adjusted automatically.• Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially.• Commands can be set by in...

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UPD4990AG: Features: • Built-in counters for time (hour, minute, and second) and date (year, month, day, and week)• Leap years are adjusted automatically.• Data is represented in BCD notation...

UPD4990AG Data Sheet

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Part Number:
UPD4990AG
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Built-in counters for time (hour, minute, and second) and date (year, month, day, and week)
• Leap years are adjusted automatically.
• Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially.
• Commands can be set by inputting serial data.
• Selective timing pulses (TPs) are 64 Hz, 256 Hz, 2 048 Hz, and 4 096 Hz and selective output intervals are 1, 10,30, and 60 seconds.


Pinout

Connection Diagram


Specifications

Supply Voltage

VDD − VSS

−0.5 to 7.0

V

Input Voltage

VIN

VSS −0.3 to VDD +0.3

V

Operating Temperature Range

Topt

−40 to +85

°C

Storage Temperature Range

Tstg

−65 to +125

°C

Output Terminal Voltage

VOUT

−0.5 to 7.0

V




Description

The µPD4990A is a CMOS LSI developed to input/output calendar & clock data serially to/from the micro computer.
The crystal frequency is 32.768 kHz and the data items included are time, minute, second, year, month, day, andweek.


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