WD55 Datasheet PDF | Western Digital

Western Digital WD55

The WD-55 is a versatile, self-contained digital timer/ controller/sequencer designed to replace many of the timing and control functions currently being performed by gears, cams, levers, and motors. It is another in a series of "silicon software" preprogrammed microcontrollers based on the WD40 family of 4-bit microprocessors.

Part No.	WD55
Datasheet	WD55 Download
Manufacturer	Western Digital
Description	Industrial Timer/Controller
Buy	Stock & Price

FEATURES

: o LOW COST PREPROGRAMMED MICROCONTROLLER o USEABLE WITH KEYBOARD OR DISCRETE SWITCHES o HIGH CURRENT LED OUTPUTS OR DIRECT DRIVE OF VACUUM FLUORESCENT (V-F) DISPLAYS o UP TO 7 SEQUENTIAL OUTPUTS o SYNCHRONIZED WITH 50/60 HZ TIME BASE OR EXTERNAL OSCILLATOR o SINGLE TIME OPTION o CONTINUOUS OR SEMI-AUTOMATIC OPTION o DEDICATED TIMER OPTION-WORKS WITHOUT KEYBOARD OR DISPLAY o RESOLUTIONS OF FROM 0.1 SEC. TO 999 HOURS WITH DIGITAL ACCURACY o ALARM OUTPUT FOR AUDIBLE BUZZER o RELAY AND TRIAC OUTPUTS o AUDIBLE FEEDBACK FOR USE WITH MEM- BRANE SWITCHES o 100 MW TYPICAL POWER CONSUMPTION

GENERAL DESCRIPTION

The WD-55 may be used in conjunction with a matrix keyboard and numeric display to implement a programmable timer/sequencer or with suitable "strap" options, may be used as a dedicated, standalone on/off controller. It is implemented in P-channel Silicon Gate MOS and is available in 40 pin plastic and ceramic DIP packages.

APPLICATIONS

: o DARKROOM TIMER o PROCESS CONTROLLER o PRO...