IDT74LVC4245AQ Ver la hoja de datos (PDF) - Integrated Device Technology
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IDT74LVC4245AQ
Integrated Device Technology
IDT74LVC4245AQ Datasheet PDF : 8 Pages
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IDT74LVC4245A
CMOS OCTAL BUS TRANSCEIVER AND 3.3V TO 5V SHIFTER
PIN CONFIGURATION
(5V) VCCA
1
DIR 2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND 11
GND 12
24
VCCB (3.3V)
23
VCCB (3.3V)
22 OE
21
B1
20
B2
19
B3
18
B4
17
B5
16
B6
15
B7
14
B8
13 GND
SOIC/ SSOP/ QSOP/ TSSOP
TOP VIEW
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS
FOR VCCB OR VCCB(1)
Symbol
Description
Max
Unit
VTERM Terminal Voltage with Respect to GND –0.5 to +6.5
V
TSTG Storage Temperature
–65 to +150
°C
IOUT
DC Output Current
–50 to +50
mA
IIK
Continuous Clamp Current,
IOK
VI < 0 or VO < 0
–50
mA
ICC
Continuous Current through each
ISS
VCC or GND
±100
mA
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Symbol Parameter(1)
Conditions
Typ. Max. Unit
CIN Input Capacitance
VIN = 0V or VCCA
5 — pF
VCCA = Open
CI/O I/O Port Capacitance(2) VOUT = VCCA or GND 11 — pF
VCCA = 5V
CI/O I/O Port Capacitance(3) VIN = VCCB or GND 11 — pF
VCCB = 3.3V
NOTES:
1. As applicable to the device type.
2. For A port only.
3. For B port only.
PIN DESCRIPTION
Pin Names
Description
OE
Output Enable Input (Active LOW)
DIR
Direction Control Input
Ax
Port A Inputs or 3-State Outputs
Bx
Port B Inputs or 3-State Outputs
FUNCTION TABLE(1)
Inputs
OE
DIR
Outputs
L
L
Bus B Data to Bus A
L
H
Bus A Data to Bus B
H
X
High Z state
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
2
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