HD74HC131 PDF даташит
Спецификация HD74HC131 изготовлена «Hitachi Semiconductor» и имеет функцию, называемую «3-to-8-line Decoder/Demultiplexer with Edge-Triggered Address Registers». |
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Детали детали
Номер произв | HD74HC131 |
Описание | 3-to-8-line Decoder/Demultiplexer with Edge-Triggered Address Registers |
Производители | Hitachi Semiconductor |
логотип |
9 Pages
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HD74HC131
3-to-8-line Decoder/Demultiplexer with Edge-Triggered
Address Registers
Description
The HD74HC131 is 3-to-8 linedecoder. It has Address select inputs (A,B,C) and D type register.
Address select data store to D type registers, during the positive going transition of the clock pulse.
Output control (G 1, G2) are independent of select input and CLK input, and when G1 is low or G2 = High,
all outputs is high.
Features
• High Speed Operation: tpd (CLK to Y) = 20 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 V 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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HD74HC131
Function Table
Inputs
Enable
Select
Outputs
CLK G1 G2
C
B
A
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
XX H X X X H H H H H H H H
XL X X X X H H H H H H H H
H L L L L L H H HH H HH
H L L L H HL H HH H HH
H L L H L HH L HH H HH
H L L H H HH H L H H HH
H L HL L HH H HL H HH
H L HL H HH H HH L HH
H L HH L HH H HH H L H
H L HH H HH H HH H HL
LH
L
XX
X
Outputs corresponding to stored address, L; all others H
Pin Arrangement
A1
B2
C3
CLK 4
G2 5
G1 6
Y7 7
GND 8
(Top view)
16 VCC
15 Y0
14 Y1
13 Y2
12 Y3
11 Y4
10 Y5
9 Y6
2
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Logic Diagram
A
B
C
CLK
G2
G1
HD74HC131
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
3
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Номер в каталоге | Описание | Производители |
HD74HC131 | 3-to-8-line Decoder/Demultiplexer with Edge-Triggered Address Registers | Hitachi Semiconductor |
HD74HC132 | Quad. 2-input NAND Schmitt Triggers | Hitachi Semiconductor |
HD74HC133 | 13-input NAND Gate | Hitachi Semiconductor |
HD74HC137 | 3-to-8-line Decoder/Demultiplexer with Address Latch | Hitachi Semiconductor |
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DataSheet26.com | 2020 | Контакты | Поиск |