MC74HC393A_06 Datasheet, PDF (6/11 Pages) ON Semiconductor – Dual 4−Stage Binary Ripple Counter High−Performance Silicon−Gate CMOS

MC74HC393A
SWITCHING WAVEFORMS
t_f
t_r
90%
V_CC
CLOCK
50%
10%
GND
t_w
1/f_max
t_PLH
t_PHL
90%
Q 50%
10%
t_TLH
t_THL
Figure 1.
DEVICE
UNDER
TEST
TEST
POINT
OUTPUT
C_L*
*Includes all probe and jig capacitance
Figure 3. Test Circuit
t_w
RESET
50%
V_CC
GND
t_PHL
Q
CLOCK
50%
t_rec
V_CC
50%
GND
Figure 2.
CLOCK ^{1, 13}
EXPANDED LOGIC DIAGRAM
CQ
DQ
3, 11 _Q1
CQ
DQ
4, 10 _Q2
CQ
DQ
5, 9 _Q3
CQ
DQ
6, 8 _Q4
RESET ^{2, 12}
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