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See Technical Specifications

DS1557WP-120+ +BOM

Clock/Calendar/NV Timekeeping RAM/Watchdog Timekeeper/Alarm Module

Manufacturer:

Maxim Integrated
Mfr.Part #:

DS1557WP-120+
Datasheet:

DS1557WP-120+ Datasheet (PDF)
PackingQty:

Tray,40
PackingOption:

Tray
TempRange:

0 to 70C
Mounting Style:

SMD/SMT

DS1557WP-120+ General Description

One of the standout features of the DS1557 is its user-friendly interface, which allows easy access to all registers within the device. This makes configuration and customization a breeze, ensuring that users can tailor the DS1557 to their specific requirements. The RTC registers contain essential time and date data in a 24-hour BCD format, including century, year, month, date, day, hours, minutes, and seconds. The device also automatically corrects for factors such as leap years, ensuring accurate timekeeping without the need for constant manual adjustments

Key Features

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Specifications

model	DS1557WP-120+	packingQty	Tray,40
packingOption	Tray	lifeCycle	production
tempRange	0 to 70C	Product Category	Real Time Clock
Mounting Style	SMD/SMT	RTC Bus Interface	Parallel
Date Format	YY-MM-DD-dd	Time Format	HH:MM:SS
Battery Backup Switching	Backup Switching	RTC Memory Size	512 kB
Supply Voltage - Max	3.63 V	Supply Voltage - Min	2.97 V
Minimum Operating Temperature	0 C	Maximum Operating Temperature	+ 70 C
Function	Alarm, Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper	Moisture Sensitive	Yes
Product Type	Real Time Clocks	Series	DS1557WP
Factory Pack Quantity	40	Subcategory	Clock & Timer ICs
Part # Aliases	DS1557WP 90-1557W+P12	Package/Case	34-PCM