CD54HC75_07 Datasheet, PDF (2/19 Pages) Texas Instruments – Dual 2-Bit Bistable Transparent Latch

CD54HC75, CD74HC75, CD54HCT75, CD74HCT75
Functional Diagram
16 (10)
2 (6)
D0
1 OF 2
Q0
1 (11)
Q0
D1
3 (7)
LATCHES
14 (8)
Q1
15 (9)
Q1
13 (4)
E
TRUTH TABLE
INPUTS
OUTPUTS
D
E
Q
Q
L
H
L
H
H
H
H
L
X
L
Q0
Q0
H= High Level
L= Low Level
X= Don’t Care
Q0 = The level of Q before the transition of E.
Logic Diagram
2 (6)
D0
LATCH 0
D
Q
16 (10)
Q0
LE
LE
1 (11)
13 (4)
Q0
E
LE
LE
3 (7)
D1
5 _VCC
12
GND
LE
LE
D
Q
LATCH 1
P
14 (8)
Q
Q1
N
15 (9)
LE
Q1
P
N
Q
LE
FIGURE 1. LOGIC DIAGRAM
FIGURE 2. LATCH DETAIL
2