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Numéro de référence | HD74HC540 | ||
Description | Octal Buffers/Line Drivers (with 3-state outputs) | ||
Fabricant | Hitachi Semiconductor | ||
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1 Page
HD74HC540/HD74HC541
Octal Buffers/Line Drivers (with 3-state outputs)
Description
The HD74HC540 is an inverting buffer and the HD74HC541 is a non-inverting buffer. The 3-state control
gate operates as a two-input NOR such that if either G1 or G2 are high, all eight outputs are in the high-
impedance state.
Features
• High Speed Operation: tpd = 11.5 ns typ (CL = 50 pF)
• High Output Current: Fanout of 15 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)
Function Table
Inputs
G1 G2
LL
A
L
LL
H
HX
X
XH
X
X : irrelevant
Z : off (high-impedance) state of a 3-state output.
Output Y
HD74HC540
H
L
Z
Z
HD74HD541
L
H
Z
Z
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Pages | Pages 9 | ||
Télécharger | [ HD74HC540 ] |
No | Description détaillée | Fabricant |
HD74HC540 | Octal Buffers/Line Drivers (with 3-state outputs) | Hitachi Semiconductor |
HD74HC540 | Octal Buffers/Line Drivers | Renesas |
HD74HC541 | Octal Buffers/Line Drivers (with 3-state outputs) | Hitachi Semiconductor |
HD74HC541 | Octal Buffers/Line Drivers | Renesas |
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