VT82887 - Real Time Clock

Description

The VT82887 Real Time Clock is designed to be a direct replacement for the DS12887.

The VT82887 is identical in form, fit and function to the DS12887.

It has 114 bytes of general purpose RAM.

Drop-in replacement for IBM AT computer clock/calendar.
Pin configuration closely matches the DS12887.
Totally nonvolatile with over 10 years of operation in the absence of power.
Self-contained subsystem includes lithium, quartz and support circuitry.
Counts seconds, minutes, hours, days, day of the week, date, month and year with leap year compensation.
Binary or BCD representation of time, calendar and alarm.
12- or 24-hour clock wi.

VIA

VT82C691 - Apollo Pro 66/100 MHZ Single-chip Socket-8/slot-1 North Bridge (VIA Technologies)
VT82C885 - Real Time Clocks (VIA Technologies)
VT800 - Photoconductive Cells and Analog Optoisolators (Vactrols) (PerkinElmer Optoelectronics)
VT800CT - Photoconductive Cells and Analog Optoisolators (Vactrols) (PerkinElmer Optoelectronics)
VT80N1 - Photoconductive Cell (PerkinElmer Optoelectronics)
VT80N2 - Photoconductive Cell (PerkinElmer Optoelectronics)
VT83027 - 27MHz/ 3.3V VCXO (Vaishali Semiconductor)
VT831R - register-free plug-and-play OOK RF receiver (Vibration)
VT83201 - 3.3V Low Phase Noise VCXO (Vaishali Semiconductor)
VT83205 - 3.3V Low Phase Noise VCXO (Vaishali Semiconductor)

Other Datasheets by VIA

Click to expand full text

www.DataSheet4U.com VT82887 VIA Technologies, Inc. Real Time Clock FEATURES • Drop-in replacement for IBM AT computer clock/calendar.

Published: Jan 27, 2007 |