MC74HC574ADW ONSEMI [ON Semiconductor], MC74HC574ADW Datasheet - Page 6

• Manufacturer Part Number: MC74HC574ADW
• Description: Octal 3-State Noninverting D Flip-Flop
• Manufacturer: ONSEMI [ON Semiconductor]

CLOCK
CLOCK
DATA
DEVICE
UNDER
TEST
Q
*Includes all probe and jig capacitance
10%
50%
90%
*Includes all probe and jig capacitance
10%
50%
DEVICE
UNDER
OUTPUT
90%
Figure 5. Test Circuit
50%
TEST
t r
t w
t su
t PLH
TEST POINT
t TLH
Figure 1.
Figure 3.
Figure 4.
1/f max
VALID
OUTPUT
50%
C L *
1 k
t PHL
t f
t h
TEST POINT
t THL
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL .
CONNECT TO GND WHEN
TESTING t PHZ AND t PZH .
C L *
V CC
GND
V CC
GND
SWITCHING WAVEFORMS
V CC
GND
http://onsemi.com
MC74HC574A
6
D0
D1
D2
D3
D4
D5
D6
D7
Q
Q
2
3
4
5
6
7
8
9
OUTPUT ENABLE
1.3 V
EXPANDED LOGIC DIAGRAM
1.3 V
CLOCK
t PZL
t PZH
Figure 2.
11
1
t PHZ
t PLZ
D
D
D
D
D
D
D
D
C
C
C
C
C
C
C
C
10%
90%
Q
Q
Q
Q
Q
Q
Q
Q
3.0 V
GND
HIGH
IMPEDANCE
V OL
V OH
HIGH
IMPEDANCE
19
18
17
16
15
14
13
12
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7