HG74ALVC16835C 查看數據表（PDF） - Hyundai Micro Electronics
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HG74ALVC16835C Datasheet PDF : 7 Pages
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18-BIT UNIVERSAL BUS DRIVER
WITH 3-STATE OUTPUTS
Voltage Waveforms
HG74ALVC16835C
Jan 1999
Timing
Input
Data
Input
VCC /2
tsu
th
VCC /2
VCC
0V
VCC
VCC /2
0V
Figure 2. Set up and Hold Times
Input
tw
VCC /2
VCC
VCC /2
0V
Figure 3. Pulse Duration
Input
tPLH
Output
VCC /2
VCC
VCC /2
0V
tPHL
VCC/2
VCC /2
VOH
VOL
Figure 4. Propagation Delay times
Output Control
(Low-level enabling)
Output Waveform 1
tPZL
S1 at 2 x VCC
(See Note 1 )
VCC /2
VCC /2
VCC /2
tPLZ
VOL + 0.15V
VCC
0V
VCC
VOL
tPZH
Output Waveform 2
S1 at GND
VCC /2
tPHZ
VOH
VOH - 0.15V
0V
(See Note 1 )
Figure 5. Enable and Disable Times
Note 1 )Waveform1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform2 is for an output with internal conditions such that the output is high except when disabled by the output control
Note 2) All input pulses are supplied by generators having the following characteristics:
PRR ⊆ 10Mhz, Zo = 50Ω , tr ⊆ 2ns, tf ⊆ 2ns.
Note 3) The output are measured one at a time with one transition per measurement.
Note 4) tPLZ and tPHZ are the same as tdis.
Note 5) tPZL and tPZH are the same as ten .
Note 6) tPLH and tPHL are the same as tpd.
5
Copyright ©1999, Hyundai Electronics Industries Co., Ltd.
ELECTRONICS
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