74HC245 데이터 시트보기 (PDF) - ON Semiconductor
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74HC245 Datasheet PDF : 8 Pages
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74HC245
DIRECTION 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OUTPUT ENABLE
18 B1
17 B2
16 B3
15 B4
14 B5
A
DATA
PORT
2
A1
3
A2
4
A3
5
A4
6
A5
A6 7
A7 8
A8 9
13 B6
12 B7
11 B8
1
DIRECTION
OUTPUT ENABLE 19
Figure 1. Pin Assignment
PIN 10 = GND
PIN 20 = VCC
Figure 2. Logic Diagram
18
B1
17
B2
16
B3
15 B4
14
B5
13 B6
12 B7
11 B8
B
DATA
PORT
FUNCTION TABLE
Control Inputs
Output
Enable
Direction
Operation
L
L
Data Transmitted from Bus B to Bus A
L
H
H
X
X = don’t care
Data Transmitted from Bus A to Bus B
Buses Isolated (High−Impedance State)
ORDERING INFORMATION
Device
Package
Shipping†
74HC245DTR2G
TSSOP−20*
2500 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
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