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PDF HD74AC4514 Data sheet ( Hoja de datos )
| Número de pieza | HD74AC4514 | |
| Descripción | 4-bit Latch/4-to-16-Line Decoder | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD74AC4514
4-bit Latch/4-to-16-Line Decoder
Description
This device presents a 4 to 16 line decoder with latched inputs. The HD74AC4514 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.
Feature
• Outputs Source/Sink 24 mA
1 page  
HD74AC4514
AC Characteristics: HD74AC4514
Item
Symbol VCC (V)*1
Propagation delay
t PLH
3.3
Dn to On
5.0
Propagation delay
t PHL
3.3
Dn to On
5.0
Propagation delay
t PLH
3.3
OE to On
5.0
Propagation delay
t PHL
3.3
OE to On
5.0
Propagation delay
t PLH
3.3
LE to On
5.0
Propagation delay
t PHL
3.3
LE to On
5.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = +25°C
CL = 50 pF
Min Typ
1.0 12.0
1.0 9.0
1.0 12.5
1.0 9.0
1.0 9.5
1.0 7.0
1.0 9.0
1.0 6.5
1.0 14.0
1.0 10.0
1.0 14.5
1.0 10.5
Max
15.5
11.0
15.5
11.0
15.0
10.5
15.0
10.5
19.0
13.5
19.0
13.5
Ta = –40°C to +85°C
CL = 50 pF
Min Max
1.0 17.0
1.0 12.0
1.0 17.0
1.0 12.0
1.0 16.0
1.0 11.5
1.0 16.5
1.0 11.5
1.0 21.0
1.0 15.0
1.0 21.0
1.0 15.0
Unit
ns
ns
ns
ns
ns
ns
AC Operating Requirements: HD74AC4514
Item
Symbol
VCC (V)*1
Ta = +25°C
CL = 50 pF
Typ
Setup time, HIGH or LOW
t su
3.3 1.5
Dn to Strobe
5.0 1.0
Hold time, HIGH or LOW
th
3.3 –1.0
Dn to Strobe
5.0 –0.5
Pulse width, HIGH
tw 3.3 3.0
5.0 3.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
3.5 4.0
3.0 3.5
2.5 3.0
1.5 2.0
5.5 7.0
4.5 5.0
Unit
ns
ns
ns
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet HD74AC4514.PDF ] | |
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