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74AHC1G125DCKTG4 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
74AHC1G125DCKTG4 Single Bus Buffer Gate With 3-State Output TI
Texas Instruments TI
74AHC1G125DCKTG4 Datasheet PDF : 22 Pages
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SN74AHC1G125
SCLS377K – AUGUST 1997 – REVISED DECEMBER 2014
9 Detailed Description
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9.1 Overview
The SN74AHC1G125 device is a single bus buffer gate/line driver with 3-state output. The output is disabled
when the output-enable (OE) input is high. When OE is low, true data is passed from the A input to the Y output.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
9.2 Functional Block Diagram
OE
A
Y
Figure 4. Logic Diagram (Positive Logic)
9.3 Feature Description
• Wide operating voltage range
– Operates from 2 V to 5.5 V
• Allows down-voltage translation
– Inputs accept voltages to 5.5 V
9.4 Device Functional Modes
Table 1. Function Table
INPUTS
OE
A
L
H
L
L
H
X
OUTPUT
Y
H
L
Z
8
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