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HD74HC83 PDF даташит

Спецификация HD74HC83 изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «4-Bit Binary Full Adder (with Fast Carry)».

Детали детали

Номер произв HD74HC83
Описание 4-Bit Binary Full Adder (with Fast Carry)
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD74HC83 Даташит, Описание, Даташиты
HD74HC83
4-Bit Binary Full Adder (with Fast Carry)
Description
This improved full adder performs the addition of two 4-bit binary numbers. The sum ( ) output are
provided for each bit and the resultant carry (C4) is obtained from the fourth bit.
This adder features full internal look ahead across all four bit generating the carry term in ten nanoseconds
typically.
This provides the system designer with partial look-ahead performance at the economy and reduced
package count of a ripple-carry implementation.
Features
High Speed Operation: tpd (Ai or Bi to Zi) = 16 ns typ (CL = 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)









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HD74HC83 Даташит, Описание, Даташиты
HD74HC83
Function Table
Outputs
Inputs
A1/A3
L
B1/B3
L
A2/A4
L
B2/B4
L
When C0 = L/When C2 = L
1/3
2/4
C2/C4
LL L
When C0 = H/When C2 = H
1/3
2/4
C2/C4
HL
L
HL L L H L L L H L
LH L L H L L L H L
HH L L L H L H H L
LL H L L H L H H L
HL H L H H L L L H
LH H L H H L L L H
HH H L L L H H L H
LL L H L H L H H L
HL L H H H L L L H
LH L H H H L L L H
HH L H L L H H L H
LL H H L L H H L H
HL H H H L H L H H
LH H H H L H L H H
HH H H L H H H H H
H:
L:
X:
Note:
High level
Low level
Irrelevant
Input conditions at A1, B1, A2, B2 and C0 are used to determine outputs 1 and 2 and the value of the
internal carry C2.
The value at C2, A3, B3, A4 and B4 are than used to determine outputs 3, 4 and C4
2









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HD74HC83 Даташит, Описание, Даташиты
Pin Arrangement
A4 1
Σ3 2
A3 3
B3 4
VCC 5
Σ2 6
B2 7
A2 8
A4
Σ3
B4
Σ4
A3 C4
B3 C0
Σ2 B1
B2 A1
A2 Σ1
(Top view)
16 B4
15 Σ4
14 C4
13 C0
12 GND
11 B1
10 A1
9 Σ1
HD74HC83
3










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