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HCC4008BF Datasheet

  • HCC4008BF

  • 4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT

  • 13頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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HCC/HCF4008B
4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT
.
.
.
.
.
.
.
4 SUM OUTPUTS PLUS PARALLEL LOOK-
AHERD CARRY-OUTPUT
HIGH-SPEED OPERATION-SUM IN-TO-SUM
OUT 160ns (typ.) : CARRY IN-TO-CARRY OUT
50ns (typ.) AT V
DD
= 10V, C
L
= 50pF
QUIESCENT CURRENT SPECIFIED TO 20V
FOR HCC DEVICE
INPUT CURRENT OF 100nA AT 18V AND 25擄C
FOR HCC DEVICE
100% TESTED FOR QUIESCENT CURRENT
5V, 10V, AND 15V PARAMETRIC RATING
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 :
HCC4008BF
HCF4008BM1
HCF4008BEY
HCF4008BC1
PIN CONNECTIONS
DESCRIPTION
The
HCC4008B
(extended temperature range) and
HCF4008B
(intermediate temperature range) are
monolithic integrated circuits, available in 16-lead
dual in-line plastic or ceramic package and plastic
micropackage.
The
HCC/HCF4008B
types consist of four full adder
stages with fast look ahead carry provision from
stage to stage. Circuitry is included to provide a fast
鈥漰arallel-carry-out鈥?to permit high-speed operation
in arithmetic sections using several HCC/HCF
4008B鈥檚.
HCC/HCF4008B
inputs include the four sets of bits
to be added, A
1
to A
4
and B
1
to B
4
, in addition to the
鈥滳arry In鈥?bit from a previous section.
HCC/HCF4008B
outputs include the four sum bits,
S
1
to S
4
. In addition to the high speed 鈥漰arallel-carry-
out鈥?which may be utilized at a succeeding
HCC/HCF4008B
section.
June 1989
1/13

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