HD74ALVCH162827 查看數據表（PDF） - Renesas Electronics
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HD74ALVCH162827 Datasheet PDF : 10 Pages
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HD74ALVCH162827
Waveforms-1
Input
Output
tr
10 %
90 %
Vref
tPLH
tf
90 %
Vref
10 %
tPHL
Vref
Vref
Waveforms-2
VIH
GND
VOH
VOL
Output
Control
tf
90 %
Vref
10 %
tZL
Waveform - A
Vref
tZH
Waveform - B
Vref
tr
10 %
90 %
Vref
tLZ
tHZ
VOL + 0.3 V
VOH – 0.3 V
VIH
GND
≈VOH1
VOL
VOH
≈VOL1
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 Notes: 1. ll input pulses are supplied by generators having the following characteristics :
PRR ≤ 10 MHz, Zo = 50 Ω, tr ≤ 2.0 ns, tf ≤ 2.0 ns. (VCC = 2.5±0.2 V)
PRR ≤ 10 MHz, Zo = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. (VCC = 2.7 V, 3.3±0.3 V)
2. Waveform – A is for an output with internal conditions such that the output is low except
when disabled by the output control.
3. Waveform – B is for an output with internal conditions such that the output is high except
when disabled by the output control.
4. The output are measured one at a time with one transition per measurement.
Rev.4.00, Oct.02.2003, page 8 of 9
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