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參數資料
| 型號： | HD74HC83 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-Bit Binary Full Adder (with Fast Carry) |
| 中文描述： | 4位二進制全加器（帶快速卡里） |
| 文件頁數： | 1/10頁 |
| 文件大小： | 56K |
| 代理商： | HD74HC83 |
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 (C
4
) 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: t
pd
(A
i
or B
i
to Z
i
) = 16 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
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