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HCC4585BF Datasheet

  • HCC4585BF

  • 4-BIT MAGNITUDE COMPARATOR

  • 12頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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HCC/HCF4585B
4-BIT MAGNITUDE COMPARATOR
.
.
.
.
.
.
.
EXPANSION TO 8, 12, 16 ... 4 N BITS BY CAS-
CADING UNITS
MEDIUM-SPEED OPERATION : COMPARES
TWO 4-BIT WORDS IN 180ns (typ.) AT 10V
STANDARDIZED SYMMETRICAL OUTPUT
CHARACTERISTICS
5V, 10V, AND 15V PARAMETRIC RATINGS
INPUT CURRENT OF 100nA AT 18V AND 25擄C
FOR HCC DEVICE
100% TESTED FOR QUIESCENT CURRENT
MEETS ALL REQUIREMENTS OF JEDEC TEN-
TATIVE STANDARD N擄 13A, 鈥漇TANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF 鈥滲鈥?/div>
SERIES CMOS DEVICES鈥?/div>
EY
(Plastic Package)
F
(Ceramic Frit Seal Package)
M1
(Micro Package)
C1
(Plastic Chip Carrier)
ORDER CODES :
HCC4585BF
HCF4585BM1
HCF4585BEY
HCF4585BC1
PIN CONNECTIONS
DESCRIPTION
The
HCC4585B
(extended temperature range) and
HCF4585B
(intermediate temperature range) are
monolithic integrated circuits, available in 16-lead
dual in-line plastic or ceramic package, and plastic
micro package. The
HCC/HCF4585B
is a 4-bit mag-
nitude comparator designed for use in computer and
logic applications that require the comparison of two
4-bit words. This logic circuit determines whether
one 4-bit word (Binary or BCD) is 鈥漧ess than鈥? 鈥漞qual
to鈥? or 鈥漡reater than鈥?a second 4-bit word. The
HCC/HCF4585B
has eight comparing inputs (A3,
B3, through A0, B0), three outputs (A < B, A = B, A >
B) and three cascading inputs (A < B, A = B, A > B)
that permit systems designers to expand the com-
parator function to 8, 12, 16 ... 4 N bits. When a
single
HCC/HCF4585B
is used, the cascading in-
puts are connected as follows : (A < B) = low,
(A = B) = high, (A > B) = high. Cascading these units
for comparison of more than 4 bits is accomplished
as shown in typical application.
June 1989
1/12

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