HCC4518B

HCC/HCF4518B HCC/HCF4520B DUAL UP-COUNTERS HCC/HCF4518B DUAL BCD UP-COUNTER HCC/HCF4520B DUAL BINARY UPCOUNTER MEDIUM-SPEED OPERATION – 6MHz TYP. CLOCK FREQUENCY AT 10V POSITIVE - OR NEGATIVE - EDGE TRIGGERING SYNCHRONOUS INTERNAL CARRY PROPAGATION QUIESCENT CURRENT SPECIFIED TO 20V FOR HCC DEVICE 5V, 10V, AND 15V PARAMETRIC RATINGS INPUT CURRENT OF 100nA AT 18V AND 25°C FOR HCC DEVICE 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC TENTATIVE STANDARD N° 13A, ”STANDARD SPECIFICATIONS FOR DESCRIPTION OF ”B” SERIES CMOS DEVICES” . . . . . . . . EY (Plastic Package) F (Ceramic Frit Seal Package) M1 (Micro Package) C1 (Plastic Chip Carrier) ORDER CODES : HCC45XXBF HCF45XXBM1 HCF45XXBEY HCF45XXBC1 PIN CONNECTIONS DESCRIPTION The HCC4518B/4520B (extended temperature range) and HCF4518B/4520B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. The HCC/HCF4518B Dual BCD Up Counter and HCC/HCF4520B Dual Binary Up Counter each consist of two identical, internally synchronous 4-stage counters. The counter stages are D-type flip-flops having interchangeable Clock and Enable lines for incrementing on either the positive-going or negative-going transition. For single-unit operation the Enable input is maintained ”high” and the counter advances on each positive-going transition of the Clock. The counters are cleared by high levels on their Reset lines. The count...