74VHC240 STMicroelectronics, 74VHC240 Datasheet - Page 2

• Manufacturer Part Number: 74VHC240
• Description: OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED
• Manufacturer: STMicroelectronics

74VHC240
INPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X:”H” or ”L”
Z: High impedance
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
RECOMMENDED OPERATING CONDITIONS
1) V
2/8
I
Symbol
Symbol
CC
IN
dt/dv
V
V
from 30% to70%of V
T
T
V
I
orI
V
T
I
V
OK
I
V
CC
IK
CC
O
stg
op
O
L
O
I
I
GND
Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
Storage Temperature
Lead Temperature (10 sec)
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time (see note 1) (V
G
H
CC
L
L
CC
or Ground Current
INPUT
Parameter
Parameter
(V
CC
CC
= 3.3
An
= 5.0
H
L
X
PIN DESCRIPTION
11, 13, 15, 17
18, 16, 14, 12
PIN No
2, 4,6, 8
9, 7,5, 3
0.3V)
0.5V)
19
10
20
1
SYMBOL
1A1 to 1A4 Data Inputs
2Y1 to 2Y4 Data Outputs
2A1 to 2A4 Data Inputs
1Y1 to 1Y4 Data Outputs
GND
V
1G
2G
CC
-0.5 to V
-65 to +150
-0.5 to +7.0
-0.5 to +7.0
-40 to +85
2.0 to 5.5
0 to V
0 to 100
Value
Valu e
0 to 5.5
0 to 20
- 20
300
Output Enable Input
Output Enable Input
Ground (0V)
Positive Supply Voltage
20
25
75
CC
NAME AND FUNCT ION
CC
+ 0.5
OUTPUT
Yn
H
L
Z
Unit
Unit
ns/V
ns/V
mA
mA
mA
mA
o
o
o
V
V
V
V
V
V
C
C
C