HD74LV123A Datasheet, PDF (10/16 Pages) Hitachi Semiconductor – Dual Retriggerable Monostable Multivibrators

HD74LV123A
• Waveform − 2
t_r
t_f
t_r
Input A
Input B
10%
90%
50%
90%
50%
10%
t_w (H)
t_f
t_r
t_w (L)
90%
50%
10%
t_f
90%
50%
10% 10%
t_w (L)
90% 90%
50%
50%
t_w (H)
10%
Output Q
Output Q
50% V_CC
50% V_CC
50% V_CC
t_w (out)
50% V_CC
V_CC
GND
V_CC
GND
V_OH
V_OL
V_OH
V_OL
• Waveform − 3
t_f
t_r
t_f
Input A
90%
50%
10%
t_r
90%
10%
t_rr
t_f
90%
50%
10%
t_r
Input B
10%
90%
50%
90%
10%
90%
50%
10%
Output Q
Output Q
50% V_CC
50% V_CC
50% V_CC
t_w (out) + t_rr
50% V_CC
V_CC
GND
V_CC
GND
V_OH
V_OL
V_OH
V_OL
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t _r ≤ 3 ns, t_f ≤ 3 ns
2. The output are measured one at a time with one transition per measurement.
Rev.6.00 Jun. 02, 2004 page 10 of 15