HD74HCT563 Datasheet, PDF (7/10 Pages) Hitachi Semiconductor – Octal Transparent Latches (with 3-state outputs)

HD74HCT563, HD74HCT573
• Waveform – 3
t_f
t_r
Input OC
90 %
1.3 V
10 %
Waveform - A
Waveform - B
t_ZL
1.3 V
t_ZH
1.3 V
90 %
1.3 V
10 %
t_LZ
10 %
t_HZ
90 %
V_CC
0V
V_OH
V_OL
V_OH
V_OL
Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, t_r ≤ 6 ns, t_f ≤ 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, Mar 30, 2006 page 7 of 9