MC74HC273A ON Semiconductor, MC74HC273A Datasheet - Page 5

• Manufacturer Part Number: MC74HC273A
• Description: OCTAL D FLIP FLOP WITH COMMON CLOCK AND RESET
• Manufacturer: ON Semiconductor

CLOCK
CLOCK
DATA
Q
*Includes all probe and jig capacitance
10%
50%
90%
10%
DEVICE
UNDER
50%
TEST
Figure 4. Test Circuit
90%
50%
t r
t w
t su
t PLH
Figure 1.
Figure 3.
t TLH
1/f max
VALID
OUTPUT
50%
t PHL
t f
TEST POINT
t h
t THL
C L *
V CC
GND
V CC
GND
V CC
GND
SWITCHING WAVEFORMS
http://onsemi.com
MC74HC273A
CLOCK
RESET
INPUTS
DATA
Q
5
D0
D1
D2
D3
D4
D5
D6
D7
3
4
7
8
13
14
17
18
11
1
EXPANDED LOGIC DIAGRAM
50%
t w
50%
t PHL
D R
D R
D R
D R
D R
D R
D R
D R
C
C
C
C
C
C
C
C
Figure 2.
t rec
Q
Q
Q
Q
Q
Q
Q
Q
2
5
6
9
12
15
16
19
50%
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
NONINVERTING
OUTPUTS
V CC
GND
V CC
GND