RTC72423 RTC72421 RTC72423A -20PPM 20PPM RTC72423B -50PPM 50PPM -120PPM 10PPM - Datasheet Archive

 

SURFACE MOUNT REAL TIME CLOCK MODULE RTC72423 RTC Y2K Information The RTC72423 module is the latest design of Real Time Clocks

 

RTC72423 RTC72423 SURFACE MOUNT REAL TIME CLOCK MODULE RTC72423 RTC72423 RTC Y2K Information The RTC72423 RTC72423 module is the latest design of Real Time Clocks from Fox. It performs the same operations as the RTC72421 RTC72421 but with the additional benefit of being surface mountable. Features q q q q Surface Mount version of RTC72421 RTC72421 Automatic Leap Year Setting Low Current Consumption Application notes available RTC72423 RTC72423 Standard Specifications* Frequency Tolerance: RTC72423A RTC72423A (Ta = 25°C; VDD = 5 V) Min: -20PPM -20PPM , Max: +20PPM 20PPM RTC72423B RTC72423B (Ta = 25°C; VDD = 5 V) Min: -50PPM -50PPM , Max: +50PPM 50PPM Frequency Stability: (1 of 4)6/28/2005 2:31:07 PM RTC72423 RTC72423 (-10°C to +70°C) Min: -120PPM -120PPM , Max: +10PPM 10PPM Storage Temperature (TSTG): Min: -55°C , Max: +125°C Operating Temperature (TOPR): Min: -40°C , Max: +85°C Supply Voltage (VDD): Min: +4.5 V , Max: +5.5 V Input Current (IDD): Max: 10 uA Output Voltage (VOL): (Ta = 25°C) Max: 0.4 V Output Voltage (VOH): (Ta = 25°C) Min: 2.4 V Input and Output Voltage (VI/O): (Ta = 25°C) Min: GND -0.3 V , Max: VDD +0.3 V Data Hold Voltage (VDH): Min: 2 V , Max: 5.5 V Aging (1st yr): (Ta=25°C; VDD = 5 V) Min: -5.0PPM , Max: +5.0PPM * Call Fox Customer Service for application notes. All specifications subject to change without notice. Rev. 1/15/97 Pin Connections: STD. P : 1 CS0 : 2 NC : 3 ALE : 4 A0 : 5 NC : 6 A1 : 7 (2 of 4)6/28/2005 2:31:07 PM RTC72423 RTC72423 NC : 8 A2 : 9 A3 : 10 READ : 11 GND : 12 WRITE : 13 D3 : 14 D2 : 15 D1 : 16 NC : 17 NC : 18 D0 : 19 CS1 : 20 NC : 21 (NC) : 22 (NC) : 23 VDD : 24 RTC72423 RTC72423 Dimensions FOX Electronics, 5570 Enterprise Parkway, Fort Myers, FL 33905, Phone: 941-693-0099, Fax: 941-693-1554 | Sales/Customer Service | Tech Support | Webmaster | Return to Top Copyright © 1998-2001 Fox Electronics. All rights reserved. Revised: 06/17/2002 11:45:24 (3 of 4)6/28/2005 2:31:07 PM RTC72423 RTC72423 (4 of 4)6/28/2005 2:31:07 PM