74LVQ373TTR 查看數據表（PDF） - STMicroelectronics
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74LVQ373TTR Datasheet PDF : 13 Pages
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74LVQ373
Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
PIN N°
1
2, 5, 6, 9, 12,
15, 16,19
3, 4, 7, 8, 13,
14, 17, 18
11
10
20
SYMBOL
OE
Q0 to Q7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
3-State Latch Outputs
D0 to D7 Data Inputs
LE
GND
VCC
Latch Enable Input
Ground (0V)
Positive Supply Voltage
Table 3: Truth Table
INPUTS
OE
LE
D
H
X
X
L
L
X
L
H
L
L
H
H
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
OUTPUT
Q
Z
NO CHANGE*
L
H
2/13
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