MC74HCT574A_05 Datasheet, PDF (5/7 Pages) ON Semiconductor – Octal 3−State Noninverting D Flip−Flop with LSTTL−Compatible Inputs

t_r
CLOCK
Q
2.7 V
1.3 V
0.3 V
t_w
90%
1.3 V
10%
1/f_max
t_PLH
t_TLH
t_f
t_PHL
t_THL
Figure 3.
MC74HCT574A
SWITCHING WAVEFORMS
3.0 V
GND
OUTPUT
ENABLE
Q
Q
1.3 V
t_PZL
t_PLZ
1.3 V
t_PZH
t_PHZ
1.3 V
Figure 4.
3.0 V
GND
HIGH
IMPEDANCE
10% V_OL
90% VOH
HIGH
IMPEDANCE
VALID
3.0 V
1.3 V
DATA
GND
t_su
t_h
3.0 V
CLOCK
1.3 V
GND
Figure 5.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
C_L*
*Includes all probe and jig capacitance
Figure 6. Test Circuit
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kW
C_L*
CONNECT TO V_CC WHEN
TESTING t_PLZ AND t_PZL.
CONNECT TO GND WHEN
TESTING t_PHZ AND t_PZH.
*Includes all probe and jig capacitance
Figure 7. Test Circuit
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