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| HD74LVCZ240A Datasheet, PDF (6/9 Pages) Hitachi Semiconductor – Octal Buffers / Line Drivers with 3-state Outputs | |||
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HD74LVCZ240A
⢠Waveforms â 1
tf
Input A
90 %
Vref
10 %
tPLH
tr
10 %
90 %
Vref
tPHL
Output Y
Vref
Vref
VIH
GND
VOH
VOL
⢠Waveforms â 2
tf
Input G
90 %
Vref
10 %
tZL
Waveform â A
Waveform â B
Vref
tZH
Vref
tr
10 %
90 %
Vref
tLZ
tHZ
VIH
GND
VOL + 0.3 V
âVOH1
VOL
VOH â 0.3 V
VOH
âVOL1
TEST
VIH
Vref
VOH1
VOL1
Vcc=2.7V,
3.3±0.3V
2.7 V
1.5 V
3V
GND
Vcc=5.0±0.5V
VCC
50%VCC
VCC
GND
Notes: 1. Input waveform : PRR = 10 MHz, duty cycle 50%, tr = 2.5 ns, tf = 2.5 ns
2. Waveform â A shows input conditions such that the output is âLâ level
when enabled by the output control.
3. Waveform â B shows input conditions such that the output is âHâ level
when enabled by the output control.
Rev.3.00 Jul. 30, 2004 page 6 of 8
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