HD74HCT237 Datasheet, PDF (6/8 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer with Address Latch

HD74HCT237
• Waveform – 4
6 ns
6 ns
GL
Output Y
90%
1.3 V
10%
10%
tW
t_PLH
10%
90%
1.3 V
90%
1.3 V
t_TLH
1.3 V
tPHL
90%
1.3 V
10%
t_THL
V_CC
0V
V_OH
V_OL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
• Waveform – 5
Input
A,B,C
GL
tW
1.3 V
tsu
th
1.3 V
1.3 V
V_CC
0V
V_CC
0V
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t_r ≤ 6 ns, t_f ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
Rev.2.00 Mar 30, 2006 page 6 of 7