UPD557L Description
4-81T SINGLE CHIP MICROPUTER NEe JLPD557L DESCR IPTION The pP0557L is a p-43 4-bit single chip microputer with high voltage outputs,and low power consumption. The outputs can be pulled to- 35V' for direct interfacing to vacuum fluorescent displays. The pPD557L is manufactured with a lowpower-consumption PMOS process, allowing use of a -8V, low current power supply.