MC74HC74A Motorola, MC74HC74A Datasheet - Page 4

• Manufacturer Part Number: MC74HC74A
• Description: Dual D Flip-Flop with Set and Reset
• Manufacturer: Motorola

MOTOROLA
MC54/74HC74A
RESET
DATA
SET
CLOCK
DATA
4, 10
2, 12
1, 13
CLOCK
Q or Q
10%
50%
90%
10%
50%
50%
90%
t f
t su
t w
Figure 3.
t PLH
t TLH
Figure 1.
VALID
1/f max
50%
t h
t PHL
t r
t THL
SWITCHING WAVEFORMS
GND
V CC
GND
EXPANDED LOGIC DIAGRAM
V CC
CLOCK
V CC
GND
3, 11
3–4
CLOCK
SET OR
Q OR Q
Q OR Q
RESET
* Includes all probe and jig capacitance
50%
50%
DEVICE
50%
UNDER
t w
TEST
t PHL
t PLH
Figure 2.
Figure 4.
OUTPUT
t rec
50%
High–Speed CMOS Logic Data
TEST POINT
C L *
DL129 — Rev 6
GND
GND
V CC
V CC
6, 8
5, 9
Q
Q