MC74LCX125 查看數據表（PDF） - ON Semiconductor
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MC74LCX125 Datasheet PDF : 8 Pages
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MC74LCX125
AC CHARACTERISTICS tR = tF = 2.5 ns; RL = 500 Ω
Limits
Unit
Symbol
Parameter
Waveform
VCC = 3.3 V ± 0.3 V
CL = 50 pF
Min
Max
TA = –40°C to +85°C
VCC = 2.7 V
CL = 50 pF
Min
Max
VCC = 2.5 V ± 0.2 V
CL = 30 pF
Min
Max
tPLH
Propagation Delay Time
tPHL
Input to Output
1
1.5
6.0
1.5
6.5
1.5
7.2
ns
1.5
6.0
1.5
6.5
1.5
7.2
tPZH
Output Enable Time to
tPZL
High and Low Level
2
1.5
7.0
1.5
8.0
1.5
9.1
ns
1.5
7.0
1.5
8.0
1.5
9.1
tPHZ
Output Disable Time From
2
1.5
6.0
1.5
7.0
1.5
7.2
ns
tPLZ
High and Low Level
1.5
6.0
1.5
7.0
1.5
7.2
tOSHL
Output–to–Output Skew
1.0
ns
tOSLH
(Note 3.)
1.0
3. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter
guaranteed by design.
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min Typ Max Unit
VOLP
Dynamic LOW Peak Voltage
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
0.8
V
(Note 4.)
VCC =2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.6
V
VOLV
Dynamic LOW Valley Voltage
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
–0.8
V
(Note 4.)
VCC =2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
–0.6
V
4. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Condition
VCC = 3.3 V, VI = 0 V or VCC
VCC = 3.3 V, VI = 0 V or VCC
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
Typical
Unit
7
pF
8
pF
25
pF
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