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PDF 74LS540 Data sheet ( Hoja de datos )
| Número de pieza | 74LS540 | |
| Descripción | OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 74LS540 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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OCTAL BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
The SN54 / 74LS540 and SN54 / 74LS541 are octal buffers and line drivers
with the same functions as the LS240 and LS241, but with pinouts on the
opposite side of the package.
These device types are designed to be used as memory address drivers,
clock drivers and bus-oriented transmitters / receivers. These devices are
especially useful as output ports for the microprocessors, allowing ease of
layout and greater PC board density.
• Hysteresis at Inputs to Improve Noise Margin
• PNP Inputs Reduce Loading
• 3-State Outputs Drive Bus Lines
• Inputs and Outputs Opposite Side of Package, Allowing Easier
Interface to Microprocessors
• Input Clamp Diodes Limit High-Speed Termination Effects
LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW)
SN54 / 74LS540
VCC
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
GND
VCC SN54 / 74LS541
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
GND
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA Operating Ambient Temperature Range
IOH Output Current — High
IOL Output Current — Low
54
74
54
74
54
74
54
74
SN54/74LS540
SN54/74LS541
OCTAL BUFFER / LINE DRIVER
WITH 3-STATE OUTPUTS
LOW POWER SCHOTTKY
20
1
20
1
20
1
J SUFFIX
CERAMIC
CASE 732-03
N SUFFIX
PLASTIC
CASE 738-03
DW SUFFIX
SOIC
CASE 751D-03
ORDERING INFORMATION
SN54LSXXXJ Ceramic
SN74LSXXXN Plastic
SN74LSXXXDW SOIC
Min Typ Max Unit
4.5 5.0 5.5
4.75 5.0 5.25
V
– 55 25 125 °C
0 25 70
– 12 mA
– 15
12 mA
24
FAST AND LS TTL DATA
5-1
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet 74LS540.PDF ] | |
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