M74HC14TTR(2008) 查看數據表（PDF） - STMicroelectronics

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M74HC14TTR
(Rev.:2008)

Hex Schmitt inverter

STMicroelectronics 

Pin connection and IEC logic symbols

1

Pin connection and IEC logic symbols

Figure 1. Pin connections and IEC logic symbols

1A 1

1Y 2

2A 3

2Y 4

3A 5

3Y 6

GND 7

14 VCC

13 6A

12 6Y

11 5A

10 5Y

9 4A

8 4Y

M74HC14

Table 2. Pin description

Pin number

Symbol

1, 3, 5, 9, 11, 13

2, 4, 6, 8, 10, 12

7

14

1A to 6A

1Y to 6Y

GND

VCC

Name and function

Data inputs

Data outputs

Ground (0 V)

Positive supply voltage

Figure 2. Input and output equivalent circuit

VCC

VCC

Input

Output

GND GND

Table 3. Truth table

A

Y

L

H

H

L

2/14

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