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IDT74FCT245AT Datasheet

FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS

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IDT54/74FCT245T/AT/CT
FASTCMOSOCTALBIDIRECTIONALTRANSCEIVER
MILITARYANDINDUSTRIALTEMPERATURERANGES
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVER
IDT54/74FCT245T/AT/CT
FEATURES:
• Std., A, and C grades
• Low input and output leakage 1µA (max.)
• CMOS power levels
• True TTL input and output compatibility:
– VOH = 3.3V (typ.)
– VOL = 0.3V (typ.)
• High Drive outputs (-15mA IOH, 64mA IOL)
• Meets or exceeds JEDEC standard 18 specifications
• Military product compliant to MIL-STD-883, Class B and DESC
listed (dual marked)
• Power off disable outputs permit "live insertion"
• Available in the following packages:
– Industrial: SOIC, SSOP, QSOP, TSSOP
– Military: CERDIP, LCC
DESCRIPTION:
The IDT octal bidirectional transceivers are built using an advanced dual
metal CMOS technology. The FCT245T is designed for asynchronous two-
way communication between data buses. The transmit/receive (T/R) input
determines the direction of data flow through the bidirectional transceiver.
Transmit (active high) enables data from A ports to B ports, and receive
(active low) from B ports to A ports. The output enable (OE) input, when
high, disables both A and B ports by placing them in high Z condition.
FUNCTIONAL BLOCK DIAGRAM
T/R
OE
A0
B0
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
1
© 2016 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
DECEMBER 2016
DSC-5510/7


Integrated Device Technology Electronic Components Datasheet

IDT74FCT245AT Datasheet

FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS

No Preview Available !

IDT54/74FCT245T/AT/CT
FASTCMOSOCTALBIDIRECTIONALTRANSCEIVER
PIN CONFIGURATION
T/R
A0
A1
A2
A3
A4
A5
A6
A7
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
11 B7
CERDIP/ SOIC/ SSOP/ QSOP/ TSSOP
TOP VIEW
MILITARYANDINDUSTRIALTEMPERATURERANGES
INDEX
32
20 19
A2 4
1 18
B0
A3 5
17 B1
A4 6
16 B2
A5 7
15
A6 8
14
9 10 11 12 13
B3
B4
LCC
TOP VIEW
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
VTERM(2)
VTERM(3)
TSTG
IOUT
Description
Terminal Voltage with Respect to GND
Terminal Voltage with Respect to GND
Storage Temperature
DC Output Current
Max
–0.5 to +7
–0.5 to VCC+0.5
–65 to +150
–60 to +120
Unit
V
V
°C
mA
NOTES:
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. No terminal voltage may exceed
Vcc by +0.5V unless otherwise noted.
2. Inputs and Vcc terminals only.
3. Output and I/O terminals only.
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Symbol
Parameter(1)
Conditions Typ. Max. Unit
CIN Input Capacitance VIN = 0V 6 10 pF
COUT
Output Capacitance VOUT = 0V
8
12 pF
NOTE:
1. This parameter is measured at characterization but not tested.
PIN DESCRIPTION
Pin Names
OE
T/R
A0 - A7
B0 - B7
Description
Output Enable Inputs (Active LOW)
Transmit/Recieve Input
Side A Inputs or 3-State Outputs
Side B Inputs or 3-State Outputs
FUNCTION TABLE(1)
Inputs
OE T/R
LL
LH
HX
NOTE:
1. H = HIGH Voltage Level
X = Don’t Care
L = LOW Voltage Level
Z = High Impedance
Outputs
Bus B Data to Bus A
Bus A Data to Bus B
High Z State
2


Part Number IDT74FCT245AT
Description FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVERS
Maker Integrated Device Tech
Total Page 7 Pages
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