74AHCT125S14 查看數據表（PDF） - Diodes Incorporated.
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74AHCT125S14 Datasheet PDF : 8 Pages
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74AHCT125
Recommended Operating Conditions (Note 5) (@TA = +25°C, unless otherwise specified.)
Symbol
Parameter
VCC
VI
VO
Δt/ΔV
Supply Voltage
Input Voltage
Output Voltage
Input Transition Rise or Fall Rate
TA
Operating Free-Air Temperature
Note:
5. Unused inputs should be held at VCC or Ground.
Min
Max
Unit
4.5
5.5
V
0
5.5
V
0
VCC
V
20
ns/V
-40
+125
°C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Symbol Parameter
Test Conditions
VIH
VIL
VOH
VOL
IOZ
II
ICC
ΔICC
High-Level Input
Voltage
Low-Level Input
Voltage
High-Level
Output Voltage
IOH = -50μA
IOH = -8mA
Low-Level Output IOL = 50μA
Voltage
IOL = 8mA
Z State
Leakage Current
VO = 0 to 5.5V
Input Current
VI = GND to 5.5V
Supply Current VI = GND or VCC, IO = 0
Additional Supply One input at VCC -2.1V
Current
Other pins at VCC or GND
VCC
4.5V to 5.5V
4.5V to 5.5V
4.5V
4.5V
4.5V
4.5V
5.5V
3.6V
3.6V
5.5V
TA = -40°C to +85°C
Min
Max
2.0
0.8
4.4
3.80
0.1
0.44
±2.5
±1
20
1.35
TA = -40°C to +125°C
Unit
Min
Max
2.0
V
0.8
V
4.4
V
3.70
0.1
V
0.55
±10
μA
±2
μA
40
μA
5
mA
Operating Characteristics
Parameter
Test
Conditions
VCC = 5.5V
Typ
Unit
Cpd
Power Dissipation
Capacitance per Gate
f = 1MHz
14.8
pF
Ci
Input Capacitance
Vi = VCC – or
GND
4.0
pF
Switching Characteristics
Symbol
Parameter
Test Conditions
TA = +25°C
-40°C to +85°C -40°C to +125°C
Unit
Min Typ. Max Min
Max
Min
Max
tPD Propagation Delay AN to YN Figure 1 CL = 15pF
Figure 1 CL = 50pF
0.5
0.5
3.0
4.3
5.5
7.5
0.5
0.5
6.5
8.5
0.5
0.5
7.0
9.5
ns
tEN Enable Time OEN to YN
Figure 1 CL = 15pF
0.5
6.7 10.7
0.5
11.0
0.5
11.5
ns
Figure 1 CL = 50pF
0.5
9.8 10.9
0.5
12.1
0.5
12.5
tDIS Disable Time OEN to YN
Figure 1 CL = 15pF
0.5
4.8
6.8
0.5
8.0
0.5
8.5
ns
Figure 1 CL = 50pF
0.5
6.5
8.9
0.5
10.0
0.5
11.5
74AHCT125
Document number: DS35355 Rev. 3 - 2
3 of 8
www.diodes.com
January 2013
© Diodes Incorporated
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