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參數(shù)資料
| 型號： | HD74HC298 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Quad. 2-input Multiplexers (with storage) |
| 中文描述： | 四。 2輸入多路復(fù)用器（帶存儲） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 43K |
| 代理商： | HD74HC298 |
HD74HC298
Quad. 2-input Multiplexers (with storage)
Description
This circuit is controlled by the signals word select and clock. When the word select input is taken low
word 1 (A
1
, B
1
, C
1
and D
1
) is presented to the inputs of the flip-flops, and when word select is high word 2
(A
2
, B
2
, C
2
and D
2
) is presented to the inputs of the flip-flops. The selected word is clocked to the output
terminals on the negative edge of the clock pulse.
Features
High Speed Operation: t
pd
(Clock to Q) = 19 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
Function Table
Inputs
Outputs
Word Select
Clock
Q
A
a
1
a
2
Q
A0
Q
B
b
1
b
2
Q
B0
Q
C
c
1
c
2
Q
C0
Q
D
d
1
d
2
Q
D0
L
H
X
H
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD74HC299 | 8-bit Universal Shift/Storage Register (with 3-state outputs) |
| HD74HC30 | 1-Of-8 Data Selectors/Multiplexers With 3-State Outputs 16-CDIP -55 to 125 |
| HD74HC323 | 8-bit Universal Shift/Storage Register (with 3-state Outputs) |
| HD74HC32 | Quad. 2-input OR Gates |
| HD74HC352 | Dual 4-to-1-line Data Selectors/Multiplexers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74HC299FP(E) | 制造商:Renesas Electronics 功能描述:74HC Bulk |
| HD74HC30FP-E | 制造商:Renesas Electronics 功能描述:74HC 8-Input NAND Gate Bulk |
| HD74HC30P | 制造商:Renesas Electronics Corporation 功能描述:NAND Gate 1-Element 8-IN CMOS 14-Pin PDIP |
| HD74HC32FPE | 制造商:Renesas Electronics 功能描述:74HC Quad 2-Input OR Gate Bulk |
| HD74HC32FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-14 |
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