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74VCXH245 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
74VCXH245 Low-Voltage 1.8/2.5/3.3 V 8-Bit Transceiver ON-Semiconductor
ON Semiconductor ON-Semiconductor
74VCXH245 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
74VCXH245
AC CHARACTERISTICS (Note 7; tR = tF = 2.0 ns; CL = 30 pF; RL = 500 W)
Limits
Symbol
Parameter
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
Waveform Min
Max
Min
Max
Min
Max
Unit
tPLH
Propagation Delay
tPHL
Input to Output
1
0.6
3.5
0.8
4.2
1.5
8.4
ns
0.6
3.5
0.8
4.2
1.5
8.4
tPZH
Output Enable Time to
tPZL
High and Low Level
2
0.6
4.5
0.8
5.6
1.5
9.8
ns
0.6
4.5
0.8
5.6
1.5
9.8
tPHZ
Output Disable Time From
tPLZ
High and Low Level
2
0.6
3.6
0.8
4.0
1.5
7.2
ns
0.6
3.6
0.8
4.0
1.5
7.2
tOSHL
tOSLH
Output−to−Output Skew
(Note 8)
0.5
0.5
0.5
0.5
0.75
ns
0.75
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
(Note 9)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
0.3
V
0.7
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
1.0
VOLV
Dynamic LOW Valley Voltage
(Note 9)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−0.3
V
−0.7
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−1.0
VOHV
Dynamic HIGH Valley Voltage
(Note 10)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
1.3
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
CIN
Input Capacitance
COUT
Output Capacitance
CPD
Power Dissipation Capacitance
11. VCC = 1.8, 2.5 or 3.3 V; VI = 0 V or VCC.
Condition
Note 11
Note 11
Note 11, 10 MHz
Typical
Unit
6
pF
7
pF
20
pF
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