MC74HCT273A_06 Datasheet, PDF (5/8 Pages) ON Semiconductor – Octal D Flip−Flop with Common Clock and Reset with LSTTL−Compatible Inputs

MC74HCT273A
SWITCHING WAVEFORMS
CLOCK
Q
t_r
2.7 V
1.3 V
0.3 V
t_w
1/f_max
t_PLH
90%
1.3 V
10%
t_TLH
t_f
t_PHL
t_THL
3.0 V
RESET
GND
Q
CLOCK
t_w
1.3 V
t_PHL
1.3 V
t_rec
1.3 V
3.0 V
GND
3.0 V
GND
Figure 1.
Figure 2.
VALID
3.0 V
DATA
1.3 V
GND
t_su
t_h
3.0 V
CLOCK
1.3 V
GND
Figure 3.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
C_L*
*Includes all probe and jig capacitance
Figure 4. Test Circuit
DATA
INPUTS
EXPANDED LOGIC DIAGRAM
D0 ³
C
Q
DR
2 _Q0
D1 ⁴
C
D _RQ
5 _Q1
D2 ⁷
C
Q
DR
6 _Q2
D3 ⁸
D4 ¹³
C
Q
DR
C
Q
DR
9 _Q3
12 _Q4
NONINVERTING
OUTPUTS
D5 ¹⁴
C
Q
DR
15 _Q5
D6 ¹⁷
C
Q
DR
16 _Q6
D7 ¹⁸
C
Q
DR
19 _Q7
CLOCK ¹¹
RESET ¹
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