参数资料
型号: 74VHC573
厂商: Fairchild Semiconductor Corporation
英文描述: Octal D-Type Latch with 3-STATE Outputs
中文描述: 八路D类锁存器与三态输出
文件页数: 2/14页
文件大小: 289K
代理商: 74VHC573
74VHC573
2/14
Figure 2: Input Equivalent Circuit
Table 2: Pin Description
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
This logic diagram has not be used to estimate propagation delays
PIN N°
SYMBOL
NAME AND FUNCTION
1
OE
3 State Output Enable
Input (Active LOW)
Data Inputs
2, 3, 4, 5, 6,
7, 8, 9
12, 13, 14,
15, 16, 17,
18, 19
11
10
20
D0 to D7
Q0 to Q7
3-State Latch Outputs
LE
GND
V
CC
Latch Enable Input
Ground (0V)
Positive Supply Voltage
INPUTS
OUTPUT
OE
LE
D
Q
H
L
L
L
X
L
H
H
X
X
L
H
Z
NO CHANGE*
L
H
相关PDF资料
PDF描述
74VHC573M Hex Schmitt-Trigger Inverters 14-SSOP -40 to 85
74VHC573N Hex Schmitt-Trigger Inverters 14-SOIC -40 to 85
74VHC573SJ Hex Schmitt-Trigger Inverters 14-SOIC -40 to 85
74VHC574M Hex Schmitt-Trigger Inverters 14-SOIC -40 to 85
74VHC574T Hex Schmitt-Trigger Inverters 14-SOIC -40 to 85
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