JIP04991 Search Results

UPD4991C

Abstract: D4991 UPD4991g PD4991 ic last digit of year
Text: v ¿¿PD4991 4 -B IT S P A R A L L E L I/O R EA L T IM E C L O C K R T C DESCRIPTION The /iPD4991 is CMOS integrated circuit designed for microcomputer systems which require real time clock, alarm timer and interval timer functions. Reference frequency of the ¿¿PD4991 is 32.768 kHz.