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What is HCF4008B?

This electronic component, produced by the manufacturer "STMicroelectronics", performs the same function as "4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT".


HCF4008B Datasheet PDF - STMicroelectronics

Part Number HCF4008B
Description 4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT
Manufacturers STMicroelectronics 
Logo STMicroelectronics Logo 


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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 VDD = 10V, CL = 50pF
. QUIESCENT CURRENT SPECIFIED TO 20V
FOR HCC DEVICE
. INPUT CURRENT OF 100nA AT 18V AND 25°C
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. 5V, 10V, AND 15V PARAMETRIC RATING
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD N° 13A, ”STANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
EY
(Plastic Package)
F
(Ceramic Frit Seal Package)
M1
(Micro Package)
C1
(Plastic Chip Carrier)
ORDER CODES :
HCC4008BF HCF4008BM1
HCF4008BEY HCF4008BC1
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
”parallel-carry-out” to permit high-speed operation
in arithmetic sections using several HCC/HCF
4008B’s.
HCC/HCF4008B inputs include the four sets of bits
to be added, A1 to A4 and B1 to B4, in addition to the
”Carry In” bit from a previous section.
HCC/HCF4008B outputs include the four sum bits,
S1 to S4. In addition to the high speed ”parallel-carry-
out” which may be utilized at a succeeding
HCC/HCF4008B section.
June 1989
PIN CONNECTIONS
1/13

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HCF4008B equivalent
HCC/HCF4008B
DYNAMIC ELECTRICAL CHARACTERISTICS (T amb = 25 °C, CL = 50 pF, RL = 200 k,
typical temperature coefficient for all VDD values is 0.3 %/°C, all input rise and fall times = 20 ns)
Symbol
Parameter
tP L H, tP HL Propagation Delay Sum In to
Time
Sum Out
Test Conditions
V al ue
V D D (V) Min. Typ. Max.
5 400 800
10 160 320
Unit
15 115 230
Carry In to
Sum Out
5 370 740
10 155 310
Sum In to
Carry Out
Carry In to
Carry Out
15 115 230
ns
5 200 400
10 90 180
15 65 130
5 100 200
10 50 100
15 40 80
t THL , tT L H Transition Time
5 100 200
10 50 100 ns
15 40 80
Typical Output Low (sink) Current.
Minimum Output Low (sink) Current Charac-
teristics.
5/13


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HCF4008B electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
HCF4008BThe function is 4-BIT FULL ADDER WITH PARALLEL CARRY OUTPUT. STMicroelectronicsSTMicroelectronics

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