74lvq573 STMicroelectronics, 74lvq573 Datasheet - Page 2

• Manufacturer Part Number: 74lvq573
• Description: Low Voltage Cmos Octal D-type Latch With 3 State Outputs Non Inverting
• Manufacturer: STMicroelectronics

74LVQ573
Figure 2: Input And Output Equivalent Circuit
Table 3: Truth Table
X : Don’t Care
Z : High Impedance
* : Q outputs are latched at the time when the LE input is taken low logic level
Figure 3: Logic Diagram
2/13
OE
H
L
L
L
INPUTS
LE
H
H
X
L
Table 2: Pin Description
2, 3, 4, 5, 6,
12, 13, 14,
15, 16, 17,
PIN N°
7, 8, 9
18, 19
10
20
11
1
D
X
X
H
L
SYMBOL
Q0 to Q7
D0 to D7
GND
V
OE
LE
CC
3 State Output Enable
Input (Active LOW)
Data Inputs
3-State Latch Outputs
Latch Enable Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE*
OUTPUT
Q
H
Z
L