MC74LCX245 ON Semiconductor, MC74LCX245 Datasheet - Page 2

• Manufacturer Part Number: MC74LCX245
• Description: Low-Voltage CMOS Octal Transistor
• Manufacturer: ON Semiconductor

V CC OE
PIN NAMES
TRUTH TABLE
H = High Voltage Level
L = Low Voltage Level
Z = High Impedance State
X = High or Low Voltage Level and Transitions are Acceptable
For I CC reasons, Do Not Float Inputs
T/R
PINS
OE
T/R
A0–A7
B0–B7
OE
H
L
L
A0
INPUTS
Figure 1. Pinout (Top View)
FUNCTION
Output Enable Input
Transmit/Receive Input
Side A 3–State Inputs or 3–State Outputs
Side B 3–State Inputs or 3–StateOutputs
B0
A1
T/R
H
X
L
B1
A2
B2
A3
OPERATING MODE
B3
A4
B Data to A Bus
A Data to B Bus
Non–Inverting
B4
A5
Z
B5
A6
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MC74LCX245
B6
A7
GND
B7
2
OE 19
T/R 1
A0
A1
A2
A3
A4
A5
A6
A7
2
3
4
5
6
8
9
Figure 2. Logic Diagram
18
17
16
15
14
13
12
11
B0
B1
B2
B3
B4
B5
B6
B7