MC74HCT574 ONSEMI [ON Semiconductor], MC74HCT574 Datasheet - Page 5

• Manufacturer Part Number: MC74HCT574
• Description: Octal 3-State Noninverting D Flip-Flop with LSTTL-Compatible Inputs
• Manufacturer: ONSEMI [ON Semiconductor]

CLOCK
CLOCK
OUTPUT
DATA
ENABLE
CLOCK
Q
10%
1.3 V
11
1
90%
0.3 V
1.3 V
2.7 V
1.3 V
t r
t w
t su
t PLH
t TLH
Figure 1.
Figure 3.
1/f max
VALID
C
1.3 V
Q0
D0
Q
D
t PHL
t f
t h
19
2
t THL
C
DEVICE
UNDER
TEST
Q1
D1
D
Q
3
18
3.0 V
GND
3.0 V
GND
EXPANDED LOGIC DIAGRAM
3.0 V
GND
SWITCHING WAVEFORMS
*Includes all probe and jig capacitance
C
OUTPUT
Figure 5. Test Circuit
http://onsemi.com
MC74HCT574A
Q2
D2
Q
D
4
17
TEST POINT
5
C
C L *
1 k
OUTPUT
Q3
ENABLE
D3
D
Q
5
16
Q
Q
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL .
CONNECT TO GND WHEN
TESTING t PHZ AND t PZH .
C
*Includes all probe and jig capacitance
Q4
D4
1.3 V
Q
D
6
15
DEVICE
UNDER
TEST
Figure 4. Test Circuit
1.3 V
1.3 V
t PZL
t PZH
C
Figure 2.
Q5
D5
D
Q
OUTPUT
t PHZ
t PLZ
7
14
TEST POINT
C
Q6
D6
C L *
Q
D
10%
8
90%
13
C
3.0 V
GND
HIGH
IMPEDANCE
V OL
V OH
HIGH
IMPEDANCE
Q7
D7
D
Q
9
12