HCF4518| Datasheet

HCF4518, HCF4518BEY, HCF4518M013TR

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HCF4518B
DUAL BCD UP COUNTER
s

s s s

s s

MEDIUM SPEED OPERATION : 6MHz (Typ.) at 10V POSITIVE -OR NEGATIVE- EDGE TRIGGERING SYNCHRONOUS INTERNAL CARRY PROPAGATION QUIESCENT CURRENT SPECIF. UP TO 20V 5V, 10V AND 15V PARAMETRIC RATINGS INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18V TA = 25 C 100% TESTED FOR QUIESCENT CURRENT MEETS ALL REQUIREMENTS OF JEDEC JESD13B "STANDARD SPECIFICATIONS FOR DESCRIPTION OF B SERIES CMOS DEVICES"

DIP

SOP

ORDER CODES
PACKAGE DIP SOP TUBE HCF4518BEY HCF4518BM1 T&R HCF4518M013TR

DESCRIPTION HCF4518B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. HCF4518B Dual BCD Up Counter consists of two identical, internal 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 transitions. For single-unit operations 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 counter can be cascaded in the ripple mode by connecting Q4 to the enable input of the subsequent counter while the clock input of the latter is held low.

PIN CONNECTION

October 2002

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