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HCF4518B 반도체 회로 부품 판매점

DUAL UP-COUNTERS



STMicroelectronics 로고
STMicroelectronics
HCF4518B 데이터시트, 핀배열, 회로
HCC/HCF4518B DUAL BCD UP-COUNTER
HCC/HCF4520B DUAL BINARY UP-
COUNTER
. MEDIUM-SPEED OPERATION – 6MHz TYP.
CLOCK FREQUENCY AT 10V
. POSITIVE - OR NEGATIVE - EDGE TRIGGER-
ING
. SYNCHRONOUS INTERNAL CARRY PROPA-
GATION
. 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 JEDECTEN-
TATIVE STANDARD N° 13A, ”STANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
HCC/HCF4518B
HCC/HCF4520B
DUAL UP-COUNTERS
EY F
(Plastic Package) (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 tem-
perature 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 con-
sist 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 nega-
tive-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 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.
June 1989
1/14


HCF4518B 데이터시트, 핀배열, 회로
HCC/HCF4518B/4520B
FUNCTIONAL DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V DD* Supply Voltage : HC C Types
H C F Types
– 0.5 to + 20
– 0.5 to + 18
V
V
Vi Input Voltage
– 0.5 to VDD + 0.5
V
II DC Input Current (any one input)
± 10
mA
Pt o t Total Power Dissipation (per package)
Dissipation per Output Transistor
for To p = Full Package-temperature Range
200 mW
100 mW
T o p Operating Temperature : HCC Types
H CF Types
– 55 to + 125
– 40 to + 85
°C
°C
Ts tg Storage Temperature
– 65 to + 150
°C
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections
of this specification is not implied. Exposure to absolute maximum rating conditions for external periods may affect device reliability.
* All voltage values are referred to VSS pin voltage.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VDD Supply Voltage : H CC Types
H C F Types
VI Input Voltage
T o p Operating Temperature : HCC Types
H CF Types
Value
3 to 18
3 to 15
0 to VDD
– 55 to + 125
– 40 to + 85
Unit
V
V
V
°C
°C
2/14




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