18-BIT UNIVERSAL BUS DRIVER
WITH 3-STATE OUTPUTS
Parameter Measurement (Vcc=2.7V and 3.3V ± 0.3V)
From Output
Under Test
CL = 50pF
(see note)
500
500
6V
S1
Open
GND
HG74ALVC162835C
Jan. 1999
Test
tpd
tPLZ / tPZL
tPHZ /tPZH
S1
Open
6V
GND
Figure 6. Load Circuit
Note) CL includes probe and jig capacitance
Voltage Waveforms
Timing
Input
Data
Input
tsu
1.5V
1.5V
th
2.7V
0V
1.5V
2.7V
0V
Figure 7. Set up and Hold Times
Input
tw
1.5V
2.7V
1.5V
0V
Figure 8. Pulse Duration
Input
Output
1.5V
tPLH
1.5V
1.5V
tPHL
1.5V
2.7V
0V
VOH
VOL
Figure 9. Propagation Delay times
Copyright ©1999, Hyundai Electronics Industries Co., Ltd.
ELECTRONICS