HCF4008B 데이터 시트보기 (PDF) - STMicroelectronics
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HCF4008B Datasheet PDF : 9 Pages
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HCF4008B
4 BIT FULL ADDER WITH PARALLEL CARRY OUTPUT
s HIGH SPEED OPERATION :
SUM IN TO SUM OUT 160ns (Typ.)
CARRY IN TO CARRY OUT 50ns (Typ.)
at VDD = 10V , CL = 50pF
s 4 SUM OUTPUTS PLUS PARALLEL
LOOK-AHEAD CARRY OUTPUT
s QUIESCENT CURRENT SPECIFIED UP TO
20V
s 5V, 10V AND 15V PARAMETRIC RATINGS
s INPUT LEAKAGE CURRENT
II = 100nA (MAX) AT VDD = 18V TA = 25°C
s 100% TESTED FOR QUIESCENT CURRENT
s MEETS ALL REQUIREMENTS OF JEDEC
JESD13B ” STANDARD SPECIFICATIONS
FOR DESCRIPTION OF B SERIES CMOS
DEVICES”
DESCRIPTION
The HCF4008B is a monolithic integrated circuit
fabricated in Metal Oxide Semiconductor
technology available in DIP and SOP packages.
The HCF4008B consists of four full adder stages
with fast look ahead carry provision from stage to
DIP
SOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
HCF4008BEY
HCF4008BM1
T&R
HCF4008M013TR
stage. Circuitry is included to provide a fast
”parallel carry out” to permit high speed operation
in arithmetic sections using several HCF4008B’s.
HCF4008B inputs include the four sum bits, S1 to
S4. In addition to the high speed ”parallel carry
out” which may be utilized at a succeeding
HCF4008B section.
PIN CONNECTION
September 2001
1/9
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