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| HD74ALVCH16835 Datasheet, PDF (10/12 Pages) Hitachi Semiconductor – 18-bit Universal Bus Driver with 3-state Outputs | |||
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HD74ALVCH16835
Timing Input
Data Input
Input
Vref
tsu
th
Vref
Vref
tw
Vref
Vref
Waveforms â 3
VIH
GND
VIH
GND
VIH
GND
Output
Vref
Control
Waveform - A
Waveform - B
tZL
Vref
tZH
Vref
Vref
tLZ
tHZ
VOL + 0.3 V
VOH â 0.3 V
VIH
GND
âVOH1
VOL
VOH
âVOL1
Notes:
TEST
VIH
Vref
VOH1
VOL1
Vcc=2.5±0.2V
2.3 V
1.2 V
2.3 V
GND
Vcc=2.7V,
3.3±0.3V
2.7 V
1.5 V
3.0 V
GND
1. All input pulses are supplied by generators having the following characteristics: PRR â¤
10MHz, ZO = 50 â¦, tr ⤠2.5 ns, tf ⤠2.5 ns.
2. WaveformâA is for an output with internal conditions such that the output is low except when
disabled by the output control.
3. WaveformâB is for an output with internal conditions such that the output is high except
when disabled by the output control.
4. The outputs are measured one at a time with one transition per measurement.
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