PCA1485 - CMOS

NXP

PCA1485 Datasheet Preview — Preview of PCA1485 PDF

Datasheet Details

Part number	PCA1485
Manufacturer	NXP ↗
File Size	118.06 KB
Description	CMOS
Datasheet	PCA1485_PhilipsSemiconductors.pdf

PCA1485 Product details

Description

chip with bumps on tape chip with bumps on tape chip on foil chip on foil GENERAL DESCRIPTION PCA148x series No loss of motor steps possible because of on-chip detection of the induced motor voltage Indication for battery end-of-life Stop function for accurate timing Power-on reset for fast testing Various test modes for testing the mechanical parts of the watch and the IC.

Features

32 kHz oscillator, amplitude regulated with excellent frequency stability.
High immunity of the oscillator to leakage currents.
Time calibration electrically programmable and reprogrammable (via EEPROM).
A quartz crystal is the only external component required.
Very low current consumption; typically 170 nA.
Output for bipolar stepping motors of different types.
Up to 50% reduction in motor current compared with conventional circuit.

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Published: Mar 22, 2005 |