HD74HCT688 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – 8-bit Magnitude Comparator

HD74HCT688
Waveforms
• Waveform – 1
P or Q
P=Q
• Waveform – 2
G
P=Q
tr
90%
1.3V
10%
tw
tPLH
90%
1.3V
tTLH
tf
90%
1.3V
10%
tPHL
90%
1.3V
10%
tTHL
tf
90%
1.3V
10%
tPHL
90%
1.3V
10%
tTHL
tr
10%
90%
1.3V
tPLH
1.3V
10%
90%
tTLH
VCC
0V
VOH
VOL
VCC
0V
VOH
VOL
Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, t_r ≤ 6 ns, t_f ≤ 6 ns
Rev.2.00, Mar 30, 2006 page 5 of 7