Pin name, Function, Input – Diodes 74LVC1T45 User Manual
Page 2: Operation, Inputs, Outputs, Pin descriptions, Logic diagram, Function tables, Absolute maximum ratings
74LVC1T45
Document number: DS35804 Rev. 2 - 2
2 of 14
June 2013
© Diodes Incorporated
74LVC1T45
Pin Descriptions
Pin Name
Pin
Function
VCC(A)
1
Supply for I/O pin A and reference for DIR
GND
2
Ground
A
3
Data Input/Output
B
4
Data Input/Output
DIR
5
Direction Control
VCC(B)
6
Supply for I/O pin B
Logic Diagram
5
3
4
DIR
A
B
V
CC
(A)
V
CC
(B)
Function Tables
Input
DIR (Direction Pin)
Operation
L
B data to A output
H
A data to B output
Inputs
Outputs
A
B
DIR
A
B
*
L
L
L
*
*
H
L
H
*
L
*
H
*
L
H
*
H
*
H
*pin condition not applicable as defined by DIR.
Absolute Maximum Ratings
(Note 4) (@T
A
= +25°C, unless otherwise specified.)
Symbol
Parameter
Rating
Unit
ESD HBM
Human Body Model ESD Protection
2
KV
ESD CDM
Charged Device Model ESD Protection
1
KV
ESD MM
Machine Model ESD Protection
200
V
V
CC
(A), V
CC
(B)
Supply Voltage Range
-0.5 to +6.5
V
V
I
Input Voltage Range
-0.5 to +6.5
V
V
O
Voltage Applied to Output in High Impedance or I
OFF
State
-0.5 to +6.5
V
V
O
Voltage Applied to Output in High or Low State
A pin
-0.3 to V
CC
(A) +0.5
V
B pin
-0.3 to V
CC
(B) +0.5
V
I
IK
Input Clamp Current V
I
<0
-50
mA
I
OK
Output Clamp Current
-50
mA
I
O
Continuous Output Current
±50
mA
Continuous Current Through V
cc
or GND
±100
mA
T
J
Operating Junction Temperature
-40 to +150
°C
T
STG
Storage Temperature
-65 to +150
°C
Notes: 4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device
operation should be within recommend values.