DS9093A overview

DS9093A is a component documented by Dallas Semiconductor. The PDF description identifies it as "RTC iButton." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.

Datasheet snapshot

  • Manufacturer: Dallas Semiconductor
  • Part number: DS9093A
  • Category: IC
  • Datasheet length: 12 Pages

Specifications and operating details

The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.

  • The real-time clock utilizes an on-chip oscillator that is connected to a 32.768 kHz crystal.
  • BLOCK DIAGRAM Figure 1 1 Hz DIVIDER DATA ROM CONTROL FUNCTION 64-BIT ROM LASERED CLOCK FUNCTION CONTROL OSCILLATOR CONTROL READ/WRITE BUFFER RTC COUNTER (32-BIT) 32.768 kHz OSCILLATOR LID CONTACT LITHIUM 64-BIT LASERED ROM Each DS1904 cont.
  • DEVICE CONTROL BYTE The on/off control of the 32.768 kHz crystal oscillator is done through the device control byte.
  • Bit 2 - 3 OSC Oscillator Enable/Disable These bits control/report whether the 32.768 kHz crystal oscillator is running.
  • For example, 12:00 a.m., January 1, 1970 could be a reference point.
  • HARDWARE CONFIGURATION Figure 6 RX TX Open Drain Port Pin 5 µA Typ.
  • DS1904 1-WIRE PORT RX = RECEIVE TX = TRANSMIT BUS MASTER VPUP DATA RX TX MOSFET 100 Ω 5 k Ω Typ.

Topics covered by the datasheet

The document includes sections related to:

  • ORDERING INFORMATION

Engineering review checklist

  • Confirm the exact ordering code, package, pinout or terminal arrangement and document revision.
  • Compare recommended operating conditions with absolute maximum ratings and retain adequate design margin.
  • Validate electrical, thermal, mechanical and environmental behavior in the final application.

Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.

View the complete PDF and model record

Open the DS9093A datasheet and model details to review the complete PDF, document pages and available product information.

Source attribution

Adapted from the PDF associated with this DigiCamel model page.

Source model URL: https://www.digicamel.com/product.php?slug=ds9093a-dallas-semiconductor

DS9093A Dallas Semiconductor IC DS9093A datasheet DS9093A specifications DS9093A applications