
HD74HC423A
Rext = 2 kΩ
1.8
Cext
1000 pF
1.7
10000 pF
100000 pF
1000000 pF
1.6
1.5
1.4
1.3
1.2
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage Vcc (V)
Rext = 10 kΩ
1.6
Cext
1.5
1000 pF
10000 pF
100000 pF
1000000 pF
1.4
1.3
1.2
1.1
1.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage Vcc (V)
Rev.2.00 Mar 30, 2006 page 7 of 8