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74VCXH245MNR2 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
74VCXH245MNR2 Low-Voltage 1.8/2.5/3.3 V 8-Bit Transceiver ON-Semiconductor
ON Semiconductor ON-Semiconductor
74VCXH245MNR2 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
74VCXH245
An, Bn
Bn, An
Vm
tPLH
Vm
Vm
tPHL
Vm
WAVEFORM 1 − PROPAGATION DELAYS
tR = tF = 2.0 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
OEn, T/Rn
An, Bn
An, Bn
Vm
Vm
tPZH
tPHZ
Vm
tPZL
tPLZ
Vm
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.0 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Figure 3. AC Waveforms
VIH
0V
VOH
VOL
VIH
0V
VOH
Vy
0V
VCC
Vx
VOL
Symbol
VIH
Vm
Vx
Vy
PULSE
GENERATOR
3.3 V ± 0.3 V
2.7 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
VCC
2.5 V ± 0.2 V
VCC
VCC/2
VOL + 0.15 V
VOH − 0.15 V
VCC
1.8 V ± 0.15 V
VCC
VCC/2
VOL + 0.15 V
VOH − 0.15 V
DUT
RT
RL
CL
RL
6 V or VCC × 2
OPEN
GND
TEST
SWITCH
tPLH, tPHL
tPZL, tPLZ
Open
6 V at VCC = 3.3 ± 0.3 V;
VCC× 2 at VCC = 2.5 ± 0.2 V; 1.8 V ± 0.15 V
tPZH, tPHZ
GND
CL = 30 pF or equivalent (Includes jig and probe capacitance)
RL = 500 W or equivalent
RT = ZOUT of pulse generator (typically 50 W)
Figure 4. Test Circuit
http://onsemi.com
6
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