DS1305
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim
reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2009 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.
22 of 22
REVISION HISTORY
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
Added Table 1. Crystal Specifications to the Clock Accuracy section. 5
Added “SERMODE = V
CC
” to Figures 6, 7, 12, and 13. 12, 20
Added “SERMODE = GND” to Figures 9, 10, and 11. 14, 18
12/09
Removed the “Crystal Capacitance” parameter from the Capacitance
table.
16

DS1305EN

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Real Time Clock Serial Alarm RTC 3-Wire
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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