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Numéro de référence | HD74HC245 | ||
Description | Octal Bus Transceivers (with 3-state outputs) | ||
Fabricant | Hitachi Semiconductor | ||
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1 Page
HD74HC245
Octal Bus Transceivers (with 3-state outputs)
Description
Each device has an active low enable input G and a direction control input, DIR. When DIR is high, data
flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs.
The HD74HC245 transfers true data from one bus to the other. This device does not have schmitt trigger
inputs.
Features
• High Speed Operation: tpd = 8 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
Enable G
L
L
H
H : high level
L : low level
X : irrelevant
Direction Control DIR
L
H
X
Operation
B data to A bus
A data to B bus
Isolation
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Pages | Pages 9 | ||
Télécharger | [ HD74HC245 ] |
No | Description détaillée | Fabricant |
HD74HC240 | Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs) | Hitachi Semiconductor |
HD74HC240 | Octal Buffers/Line Drivers/Line Receivers | Renesas |
HD74HC241 | Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs) | Hitachi Semiconductor |
HD74HC242 | Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs) | Hitachi Semiconductor |
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