74AC541 Datasheet, PDF (2/8 Pages) STMicroelectronics – OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

74AC541
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 19
2, 3, 4,5,
6, 7,8, 9
18, 17, 16,
15, 14, 13,
12, 11
10
20
S YM BO L
G1, G2
A1 to A8
NAME AND FUNCTION
Output Enable Input
Data Inputs
Y1 to Y8 Data Outputs
GND
V_CC
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
G1
H
X
L
L
X:”H” or ”L”
Z: High impedance
INPUT
G2
X
H
L
L
O UT PUT
An
Yn
X
Z
X
Z
H
H
L
L
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V_CC Supply Voltage
-0.5 to +7
V
V_I
DC Input Voltage
-0.5 to V_CC + 0.5
V
V_O DC Output Voltage
-0.5 to V_CC + 0.5
V
I_IK
DC Input Diode Current
± 20
mA
I_OK
DC Output Diode Current
± 20
mA
I_O
DC Output Current
± 50
mA
I_CC orI_GND DC V_CC or Ground Current
± 400
mA
T_stg Storage Temperature
-65 to +150
o_C
T_L
Lead Temperature (10 sec)
300
o_C
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
Symbol
Parameter
V_CC Supply Voltage
V_I
Input Voltage
VO Output Voltage
T_op Operating Temperature:
dt/dv Input Rise and Fall Time V_CC = 3.0, 4.5 or 5.5 V(note 1)
1) VIN from 30% to70%of VCC
Valu e
2 to 6
0 to V_CC
0 to VCC
-40 to +85
8
Unit
V
V
V
o_C
ns/V
2/8