 English |
|
|
|
|
|
|
|
| MC74LVX4245_11 Datasheet, PDF (8/10 Pages) ON Semiconductor – Dual Supply Octal Translating Transceiver | |||
| |||
| ◁ |
MC74LVX4245
An, Bn
50% VCC
tPLH
Bn, An
50% VCC
VCC
50% VCC
0V
tPHL
VOH
50% VCC
VOL
WAVEFORM 1 - PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
OE, T/R
An, Bn
An, Bn
50% VCC
50% VCC
tPZH
tPHZ
50% VCC
tPZL
tPLZ
50% VCC
WAVEFORM 2 - OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
Figure 6. AC Waveforms
VCCA
0V
VCC
VOH - 0.3V
â 0V
â VCC
VOL + 0.3V
GND
PULSE
GENERATOR
VCC
DUT
RT
R1
CL
RL
2 Ã VCC
OPEN
TEST
SWITCH
tPLH, tPHL, tPZH, tPHZ
Open
tPZL, tPLZ
2 Ã VCC
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500W or equivalent
RT = ZOUT of pulse generator (typically 50W)
Figure 7. Test Circuit
http://onsemi.com
8
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese