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RTC-72421 - Real time clock module(4-bit REAL TIME CLOCK MODULE)

Features

  • a backup function. Actual size Specifications (characteristics) Absolute Max. rating Symbol Item VDD Power source voltage VI/O Input and output voltage Storage temperature TSTG Condition Ta=+25 °C Ta=+25 °C RTC-72421 RTC-72423 RTC-72421 Soldering condition TSOL RTC-72423 Specifications -0.3 to 7.0 GND -0.3 to VDD+0.3 -55 to +85 -55 to +125 Under +260 °C within 10 s (lead part) (package should be less than +150 °C) Terminal connection Unit V °C RTC-72421 18 17 16 15 14 13 12 11 10 Twice at u.

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Datasheet Details

Part number RTC-72421
Manufacturer Epson Company
File Size 212.50 KB
Description Real time clock module(4-bit REAL TIME CLOCK MODULE)
Datasheet download datasheet RTC-72421 Datasheet

Full PDF Text Transcription

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Real time clock module 4-bit REAL TIME CLOCK MODULE RTC-72421/ 72423 • • • • • • Built-in crystal unit allows adjustment-free efficient operation. ALE input terminal available for 8048, 8051, and 8085 series. 12/24 h clock switchover function and automatic leap year setting. Interrupt masking. 30 second adjustment function. Low current consumption and features a backup function. Actual size Specifications (characteristics) Absolute Max. rating Symbol Item VDD Power source voltage VI/O Input and output voltage Storage temperature TSTG Condition Ta=+25 °C Ta=+25 °C RTC-72421 RTC-72423 RTC-72421 Soldering condition TSOL RTC-72423 Specifications -0.3 to 7.0 GND -0.3 to VDD+0.
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