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PDF HD74LVC541 Data sheet ( Hoja de datos )
| Número de pieza | HD74LVC541 | |
| Descripción | Octal Buffers / Line Drivers with 3-state Outputs | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD74LVC541A
Octal Buffers / Line Drivers with 3-state Outputs
ADE-205-115B(Z)
3rd Edition
December 1996
Description
The HD74LVC541A has eight line drivers with three state outputs in a 20 pin package. When G1 and G2
is low level, this drivers set up output is enable. Low voltage and high speed operation is suitable at the
battery drive product (note type personal computer) and low power consumption extends the life of a
battery for long time operation.
Features
• VCC = 2.0 V to 5.5 V
• All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
• All outputs VOUT (Max.) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High output current ±24 mA (@VCC = 3.0 V to 5.5 V)
Function Table
G1 G2
LL
LL
HX
XH
H : High level
L : Low level
X : Immaterial
Z : High impedance
Inputs
A
L
H
X
X
Output Y
L
H
Z
Z
1 page  
HD74LVC541A
Switching Characteristics
Ta = –40 to 85°C
Item
Propagation delay time
Symbol
t PLH
t PHL
VCC (V)
2.7
3.3±0.3
5.0±0.5
Min Typ Max
— — 7.5
1.5 — 6.5
— — 5.0
Output enable time
t ZH
t ZL
2.7
3.3±0.3
5.0±0.5
——
1.5 —
——
9.5
8.5
7.0
Output disable time
t HZ
t LZ
2.7
3.3±0.3
5.0±0.5
——
1.5 —
——
8.5
7.5
6.5
Between output
pins skew *1
t OSLH
2.7
———
t OSHL
3.3±0.3 — — 1.0
5.0±0.5 — — 1.0
Input capacitance
CIN 2.7
— 3.0
Output capacitance
CO
2.7
— 15.0
Note: 1. This parameter is characterized but not tested.
tosLH = | tPLHm - tPLHn|, tosHL = | tPHLm - tPHLn|
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
From (Input) To (Output)
AY
G1 or G2
Y
G1 or G2
Y
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HD74LVC541.PDF ] | |
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