m54hc240k1 STMicroelectronics, m54hc240k1 Datasheet - Page 2

• Manufacturer Part Number: m54hc240k1
• Description: Hc240 Inverted - Hc241/244 Non Inverted Octal Bus Buffer With 3 State Outputs
• Manufacturer: STMicroelectronics

M54HC240
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
Z : High Impedance
2/10
G
H
L
L
INPUTS
An
H
X
L
PIN DESCRIPTION
11, 13, 15,
18, 16, 14,
2, 4, 6, 8
9, 7, 5, 3
PIN N°
17
12
19
10
20
1
2A1 to 2A4
1Y1 to 1Y4
1A1 to 1A4
2Y1 to 2Y4
SYMBOL
GND
V
1G
2G
CC
Output Enable Input
Data Inputs
Data Outputs
Data Inputs
Data Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
OUTPUT
Yn
H
Z
L