HD74HC590_15 Datasheet, PDF (9/12 Pages) Renesas Technology Corp – 8-bit Binary Counter/Register (with 3-state outputs)

HD74HC590
• Waveform – 3 (RCK to Q)
tr
tf
90 %
V_CC
Input RCK
50 % 50 %
50 %
10 %
10 %
tw(H)
tw(L)
0V
t_PLH
t_PHL
90 %
90 %
V_OH
Output QA to QH
50 %
50 %
10 %
t_TLH
10 %
V_OL
t_THL
Note : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, t_r ≤ 6 ns, t_f ≤ 6 ns
• Waveform – 4 (CCKEN to CCK)
t_r
t_f
Input CCKEN
90 %
50 %
90 %
50 %
50 %
V_CC
10 %
10 %
0V
t_su
t_h
t_su
t_h
90 %
V_CC
Input CCK
50 %
50 %
50 %
10 %
10 %
0V
t_r
t_f
Note : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, t_r ≤ 6 ns, t_f ≤ 6 ns
Rev.2.00 Mar 30, 2006 page 7 of 9