HD74HC354 Просмотр технического описания (PDF) - Renesas Electronics
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HD74HC354 Datasheet PDF : 10 Pages
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HD74HC354
• Waveform – 2
D0 to D7
or
S0 to S2
DC or SC
tr
tf
10 %
90 %
50 %
tsu
90 %
50 %
th
10 %
tsu
tf
90 %
50 %
tr
10 % 10 %
90 %
50 %
50 %
50 %
th
50 %
tPLH
tPHL
90 %
90 %
Y
50 %
50 %
10 %
10 %
tTLH
tPHL
tPLHtTHL
90 %
90 %
W
50 %
50 %
10 %
10 %
tTHL
tTLH
VCC
0V
VCC
0V
VOH
VOL
VOH
VOL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
• Waveform – 3
tf
tr
G1, G2
90 %
90 %
90 %
90 %
VCC
50 %
50 %
G3
10 %
10 %
10 %
10 %
0V
tZL
tLZ
Waveform – A
Waveform – B
50 %
tZH
50 %
10 %
tHZ
90 %
VOH
VOL
VOH
VOL
Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns
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.2.00 Jan 31, 2006 page 7 of 9
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