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HD74HCT125P Datasheet

  • HD74HCT125P

  • BUFFER/DRIVER|SINGLE|4-BIT|HCT-CMOS|DIP|14PIN|PLASTIC

  • 9頁(yè)

  • ETC

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HD74HCT125/HD74HCT126
Quad. Bus Buffer Gates (with 3-state outputs)
Description
The HD74HCT125, HD74HCT126 require the 3-state control input C to be taken high to put the output
into the high impedance condition, whereas the HD74HCT125, HD74HCT126 requires the control input to
be low to put the output into high impedance.
Features
鈥?/div>
LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
鈥?/div>
High Speed Operation: t
pd
(A to Y) = 12 ns typ (C
L
= 50 pF)
鈥?/div>
High Output Current: Fanout of 15 LSTTL Loads
鈥?/div>
Wide Operating Voltage: V
CC
= 4.5 to 5.5 V
鈥?/div>
Low Input Current: 1 碌A(chǔ) max
鈥?/div>
Low Quiescent Supply Current: I
CC
(static) = 4 碌A(chǔ) max (Ta = 25擄C)
Function Table
Input
C
HCT125
H
L
L
HCT126
L
H
H
A
X
L
H
Output Y
HD74HCT125
Z
L
H
HD74HCT126
Z
L
H
Notes: X: Irrelevant
Z: Off (High-impedance) state of a 3-state output.

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