Epson RTC-72421 A Applications Manual

Applications Manual for Epson RTC-72421 A Clock, Computer Hardware (25 pages)

Specifications:

219/219802-rtc72421_a.pdf file (21 Feb 2024)
  • Manufacturer: Epson
  • Category of Device: Clock, Computer Hardware
  • Document: RTC-72421 A, File Type: PDF Applications Manual
  • Updated: 21-02-2024
  • Count of Pages: 25
Download RTC-72421 A Manual (25 pages)

Read PDF Document Online:

Data: UPD 21st February 2024

Epson RTC-72421 A Clock, Computer Hardware PDF Applications Manual (Updated: Wednesday 21st of February 2024 12:51:36 PM)

Rating: 4.7 (rated by 73 users)

Compatible devices: S5U1C63007P, S1C63358, Computer, E0C6011, 0C88832, E0C6006, RTC-4573, S5U1C62000A.

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Text Version of Epson RTC-72421 A Clock, Computer Hardware Manual (Summary of Contents)

(Ocr-Read of Epson RTC-72421 A Document (Main Content), UPD: 21 February 2024)

  • 12, RTC - 72421 / 72423 Page - 9 MQ - 162 - 03  Register description 1. Timing registers (1) S1 to Y10 registers These registers are 4-bit, positive logic registers in which the digits of the year, month, day, hour, minute, and second are continuously written in BCD code.…

  • 10, Epson RTC-72421 A RTC - 72421 / 72423 Page - 7 MQ - 162 - 03  Registers 1. Register table Data Address (Hex) A3 A2 A1 A0 Register name D3 D2 D1 D0 Count (BCD) Remarks 0 0 0 0 0 S1 s8 s4 s2 s1 0 to 9 1-second di g it re g ister 1 0 0 0 1 S10 * s40 s20 s10 0…

  • 23, RTC - 72421 / 72423 Page - 20 MQ - 162 - 03  Reference data [Finding the frequency stability] 1. Frequency and temperature characteristics can be approximated using the following equations. ∆ fT = α ( θ T - θ X ) 2 ∆ fT : Frequency dev…

  • 22, RTC - 72421 / 72423 Page - 19 MQ - 162 - 03  External dimensions 1. RTC-72421 23.1 Max. 6.3 4.2 Max. 2.54 Min. 0.2 Min. 2.54 0.46 7.62 0 - 15 0.25 1.52 2. RTC-72423 Min. 16.3 Max. 7.9 0.35 1.27 0.1 2.8 Max. 1.0 12.0 0.2 0 - 10 Unless otherwise stated, all units are [mm] …

  • 9, RTC - 72421 / 72423 Page - 6 MQ - 162 - 03 2. When ALE is fixed at V DD Write mode ( V DD =5 V ± 0.5 V, RTC-72421;Ta= − 10 ° C to +70 ° C, RTC-72423;Ta= − 40 ° C to +85 ° C ) Item Symbol Condition Min. Max. Unit CS1 set-up time t SU (CS1) 1000 CS1…

  • 2, NOTICE • The material is subject to change without notice. • Any part of this material may not be reproduced or duplicate…

DOC-e5c5726b:

Recommended:
PV140, SA379, 2330d - Laser Printer B/W, GCM600

Links & Tools
513-1429BL, 60.3505, Wireless Clock, CROSS, WB100
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