74VHCT125PW 查看數據表（PDF） - NXP Semiconductors.
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74VHCT125PW Datasheet PDF : 15 Pages
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Nexperia
74VHC125; 74VHCT125
Quad buffer/line driver; 3-state
5.2 Pin description
Table 2. Pin description
Symbol
Pin
1OE, 2OE, 3OE, 4OE
1, 4, 10, 13
1A, 2A, 3A, 4A
2, 5, 9, 12
1Y, 2Y, 3Y, 4Y
3, 6, 8, 11
GND
7
VCC
14
6. Functional description
Description
output enable input (active LOW)
data input
data output
ground (0 V)
supply voltage
Table 3.
Control
nOE
L
Function table[1]
H
Input
nA
L
H
X
Output
nY
L
H
Z
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
VCC
supply voltage
VI
input voltage
IIK
input clamping current
IOK
output clamping current
IO
output current
VI < −0.5 V
VO < −0.5 V or VO > VCC + 0.5 V
VO = −0.5 V to (VCC + 0.5 V)
−0.5 +7.0 V
−0.5 +7.0 V
[1] −20
-
mA
[1] -
±20 mA
-
±25 mA
ICC
IGND
Tstg
Ptot
supply current
ground current
storage temperature
total power dissipation
SO14 package
Tamb = −40 °C to +125 °C
-
75
mA
−75 -
mA
−65 +150 °C
[2] -
500 mW
TSSOP14 package
[3] -
500 mW
DHVQFN14 package
[4] -
500 mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Ptot derates linearly with 8 mW/K above 70 °C.
[3] Ptot derates linearly with 5.5 mW/K above 60 °C.
[4] Ptot derates linearly with 4.5 mW/K above 60 °C.
74VHC_VHCT125_2
Product data sheet
Rev. 02 — 13 October 2009
© Nexperia B.V. 2017. All rights reserved
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