74HC245
DIRECTION
A1
A2
A3
A4
A5
A6
A7
A8
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
OUTPUT ENABLE
B1
B2
B3
B4
B5
B6
B7
B8
DIRECTION
OUTPUT ENABLE
A
DATA
PORT
A1
A2
A3
A4
A5
A6
A7
A8
2
3
4
5
6
7
8
9
1
19
PIN 10 = GND
PIN 20 = V
CC
18
17
16
15
14
13
12
11
B1
B2
B3
B4
B5
B6
B7
B8
B
DATA
PORT
Figure 1. Pin Assignment
Figure 2. Logic Diagram
FUNCTION TABLE
Control Inputs
Output
Enable
L
L
H
X = don’t care
Direction
L
H
X
Operation
Data Transmitted from Bus B to Bus A
Data Transmitted from Bus A to Bus B
Buses Isolated (High−Impedance State)
ORDERING INFORMATION
Device
74HC245DTR2G
Package
TSSOP−20*
Shipping
†
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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