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SN74AXC8T245_1808 Datasheet(Fiches technique) 23 Page - Texas Instruments

Numéro de pièce SN74AXC8T245_1808
Description  8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and Tri-State Outputs
Télécharger  38 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
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SN74AXC8T245
www.ti.com
SCES875B – MARCH 2018 – REVISED AUGUST 2018
Product Folder Links: SN74AXC8T245
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Copyright © 2018, Texas Instruments Incorporated
Typical Application (continued)
9.2.1 Design Requirements
For this design example, use the parameters listed in Table 2.
Table 2. Design Parameters
DESIGN PARAMETERS
EXAMPLE VALUE
Input voltage range
0.65 V to 3.6 V
Output voltage range
0.65 V to 3.6 V
9.2.2 Detailed Design Procedure
To begin the design process, determine the following:
Input voltage range
Use the supply voltage of the device that is driving the SN74AXC8T245 device to determine the input
voltage range. For a valid logic high the value must exceed the VIH of the input port. For a valid logic low
the value must be less than the VIL of the input port.
Output voltage range
Use the supply voltage of the device that the SN74AXC8T245 device is driving to determine the output
voltage range.
9.2.3 Application Curve
Figure 6. Translation Up (0.7 V to 3.3 V) at 2.5 MHz




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