HD74HC4514 PDF даташит
Спецификация HD74HC4514 изготовлена «Hitachi Semiconductor» и имеет функцию, называемую «4-bit Latch/4-to-16-line Decoder». |
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Детали детали
Номер произв | HD74HC4514 |
Описание | 4-bit Latch/4-to-16-line Decoder |
Производители | Hitachi Semiconductor |
логотип |
8 Pages
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HD74HC4514
4-bit Latch/4-to-16-line Decoder
Description
This device presents a 4-to-16 line decoder with latched in puts. The HD74HC4514 presents a high level at
the selected output.
This device consists of four storage latches with common strobe and inhibit (G) inputs. When a low signal
is applied to the strobe input, the input data is stored, decoded, and presented to the output. When strobe is
high, all sixteen HD74HC4514 outputs are at a low logic level.
Features
• High Speed Operation: tpd (Data to S) = 20 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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HD74HC4514
Function Table (Strobe = High)
Data Inputs
Inhibit
D
C
B
A
Select Outputs
L L L L L S0
L L L L H S1
L L L H L S2
L L L H H S3
L L H L L S4
L L H L H S5
L L H H L S6
L L H H H S7
L H L L L S8
L H L L H S9
L H L H L S10
L H L H H S11
L H H L L S12
L H H L H S13
L H H H L S14
L H H H H S15
H X X X X All output “L”
2
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Pin Arrangement
HD74HC4514
Strobe 1
Data 1 2
Data 2 3
S7 4
S6 5
S5 6
S4 7
S3 8
S1 9
S2 10
S0 11
GND 12
Latch
BADC
4 to 16
Decoder
(Top view)
24 VCC
23 Inhibit
22 Data 4
21 Data 3
20 S10
19 S11
18 S8
17 S9
16 S14
15 S15
14 S12
13 S13
3
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