IDT54FCT245AD 查看數據表（PDF） - Integrated Device Technology
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IDT54FCT245AD Datasheet PDF : 6 Pages
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IDT54/74FCT3245/A
3.3V CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS
PIN DESCRIPTION
Pin Names
Description
OE
Output Enable Input (Active LOW)
DIR
Direction Control Input
Ax
Side A Inputs or 3-State Outputs
Bx
Side B Inputs or 3-State Outputs
MILITARY AND COMMERCIAL TEMPERATURE RANGES
2650 tbl 01
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
Z = High Impedance
2650 tbl 02
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
VTERM(2) Terminal Voltage
with Respect to
GND
VTERM(3) Terminal Voltage
with Respect to
GND
VTERM(4) Terminal Voltage
with Respect to
GND
TA
Operating
Temperature
TBIAS Temperature
Under Bias
TSTG Storage
Temperature
PT
Power Dissipation
Commercial
–0.5 to +4.6
–0.5 to +7.0
–0.5 to
VCC + 0.5
–40 to +85
–55 to +125
–55 to +125
1.0
Military
–0.5 to +4.6
–0.5 to +7.0
–0.5 to
VCC + 0.5
–55 to +125
–65 to +135
–65 to +150
1.0
Unit
V
V
V
°C
°C
°C
W
IOUT
DC Output
–60 to +60 –60 to +60 mA
Current
NOTES:
2650 lnk 03
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other condi-
tions above those indicated in the operational sections of this specifica-
tion is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
2. Vcc terminals.
3. Input terminals.
4. Output and I/O terminals.
CAPACITANCE (TA = +25°C, f = 1.0MHz)
Symbol Parameter(1)
CIN
Input
Capacitance
CI/O
I/O
Capacitance
Conditions Typ. Max. Unit
VIN = 0V
3.5 6.0 pF
VOUT = 0V 4.0 8.0 pF
NOTE:
2650 lnk 04
1. This parameter is measured at characterization but not tested.
8.12
2
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