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74VCXH245 데이터시트(PDF) 5 Page - ON Semiconductor

부품명 74VCXH245
상세설명  Low-Voltage 1.8/2.5/3.3 V 8-Bit Transceiver
PDF  8 Pages
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

74VCXH245 데이터시트(HTML) 5 Page - ON Semiconductor

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AC CHARACTERISTICS (Note 7; tR = tF = 2.0 ns; CL = 30 pF; RL = 500 W)
Limits
TA = −40°C to +85°C
VCC = 3.0 V to 3.6 V VCC = 2.3 V to 2.7 V
VCC = 1.65 V to1.95 V
Symbol
Parameter
Waveform
Min
Max
Min
Max
Min
Max
Unit
tPLH
tPHL
Propagation Delay
Input to Output
1
0.6
0.6
3.5
3.5
0.8
0.8
4.2
4.2
1.5
1.5
8.4
8.4
ns
tPZH
tPZL
Output Enable Time to
High and Low Level
2
0.6
0.6
4.5
4.5
0.8
0.8
5.6
5.6
1.5
1.5
9.8
9.8
ns
tPHZ
tPLZ
Output Disable Time From
High and Low Level
2
0.6
0.6
3.6
3.6
0.8
0.8
4.0
4.0
1.5
1.5
7.2
7.2
ns
tOSHL
tOSLH
Output−to−Output Skew
(Note 8)
0.5
0.5
0.5
0.5
0.75
0.75
ns
7. For CL = 50 pF, add approximately 300 ps to the AC maximum specification.
8. 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
TA = +25°C
Symbol
Characteristic
Condition
Typ
Unit
VOLP
Dynamic LOW Peak Voltage
(N
)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
0.3
V
(Note 9)
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
0.7
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
1.0
VOLV
Dynamic LOW Valley Voltage
(N
)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−0.3
V
(Note 9)
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−0.7
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−1.0
VOHV
Dynamic HIGH Valley Voltage
(N
)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
1.3
V
(Note 10)
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
1.7
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
2.0
9. 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.
10. 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 HIGH state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CIN
Input Capacitance
Note 11
6
pF
COUT
Output Capacitance
Note 11
7
pF
CPD
Power Dissipation Capacitance
Note 11, 10 MHz
20
pF
11. VCC = 1.8, 2.5 or 3.3 V; VI = 0 V or VCC.



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