MC74HC574A Motorola, MC74HC574A Datasheet - Page 5

• Manufacturer Part Number: MC74HC574A
• Description: Octal 3-State Noninverting D Flip-Flop
• Manufacturer: Motorola

High–Speed CMOS Logic Data
DL129 — Rev 6
CLOCK
CLOCK
DATA
DEVICE
UNDER
TEST
Q
10%
* Includes all probe and jig capacitance
50%
90%
10%
50%
* Includes all probe and jig capacitance
90%
DEVICE
UNDER
OUTPUT
Figure 5. Test Circuit
t r
50%
TEST
t w
t PLH
t su
t TLH
Figure 1.
TEST POINT
1/f max
Figure 3.
Figure 4.
VALID
OUTPUT
50%
C L *
t PHL
1 k
t f
t h
t THL
TEST POINT
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
V CC
GND
SWITCHING WAVEFORMS
3–5
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
CLOCK
1.3 V
t PZH
t PZL
Figure 2.
11
1
t PHZ
t PLZ
MC54/74HC574A
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
MOTOROLA
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