m74hc540 STMicroelectronics, m74hc540 Datasheet - Page 2

• Manufacturer Part Number: m74hc540
• Description: Octal Bus Buffer With 3 State Outputs Hc540 Inverted - Hc541 Non Inverted
• Manufacturer: STMicroelectronics

M74HC540
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
Z : High Impedance
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65 C; derate to 300mW by 10mW/ C from 65 C to 85 C
2/10
I
CC
Symbol
V
T
I
or I
V
P
I
T
V
OK
I
stg
CC
IK
O
O
D
L
I
GND
G1
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
Power Dissipation
Storage Temperature
Lead Temperature (10 sec)
H
X
L
L
CC
or Ground Current
Parameter
INPUT
G2
X
H
L
L
PIN DESCRIPTION
2, 3, 4, 5, 6,
18, 17, 16,
15, 14, 13,
PIN No
7, 8, 9
12, 11
1, 19
10
20
An
X
X
H
L
SYMBOL
A1 to A8
Y1 to Y8
G1, G2
GND
V
CC
-0.5 to V
-0.5 to V
-65 to +150
-0.5 to +7
500(*)
Value
Output Enable Inputs
Data Inputs
Bus Outputs
Ground (0V)
Positive Supply Voltage
300
NAME AND FUNCTION
20
20
35
70
CC
CC
+ 0.5
+ 0.5
OUTPUT
Yn
H
Z
Z
L
Unit
mW
mA
mA
mA
mA
°C
°C
V
V
V