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PT6398 - Automotive Digital Clock

General Description

PT6398 is an automotive digital clock CMOS LSI.

It drives fluorescent indicator panel directly.

It can be driven by a 4.194304MHz crystal oscillator or an external clock signal (1024Hz).

Key Features

  • 4.194304MHz crystal oscillator.
  • 4-ways display brightness control (Segment duty for Static: 1, 1/4, 1/8, 1/16; Grid duty for dynamic: 6.25%, 12.5%, 25%, 50%).
  • Hour and Minutes setting.
  • ±30 Minutes auto correction.
  • 1024Hz signal output.
  • Segment output: CMOS output.
  • Internal POR (Power on Reset Circuit).
  • 44 pin LQFP.
  • Static and dynamic driving selected BLOCK.

📥 Download Datasheet

Datasheet Details

Part number PT6398
Manufacturer PTC
File Size 579.52 KB
Description Automotive Digital Clock
Datasheet download datasheet PT6398 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PT6398 Automotive Digital Clock DESCRIPTION PT6398 is an automotive digital clock CMOS LSI. It drives fluorescent indicator panel directly. It can be driven by a 4.194304MHz crystal oscillator or an external clock signal (1024Hz). It has 4-ways display brightness control function and its display format is 12 hours. FEATURES • 4.194304MHz crystal oscillator • 4-ways display brightness control (Segment duty for Static: 1, 1/4, 1/8, 1/16; Grid duty for dynamic: 6.25%, 12.5%, 25%, 50%) • Hour and Minutes setting • ±30 Minutes auto correction • 1024Hz signal output • Segment output: CMOS output • Internal POR (Power on Reset Circuit) • 44 pin LQFP • Static and dynamic driving selected BLOCK DIAGRAM Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.