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74LVQ245 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer 74LVQ245
Beschreibung Low Voltage Octal Bidirectional Transceiver with 3-STATE Outputs
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 6 Seiten
74LVQ245 Datasheet, Funktion
May 1998
74LVQ245
Low Voltage Octal Bidirectional Transceiver with
3-STATE Outputs
General Description
The LVQ245 contains eight non-inverting bidirectional buff-
ers with 3-STATE outputs and is intended for bus-oriented
applications. Current sinking capability is 12 mA at both the A
and B ports. The Transmit/Receive (T/R) input determines
the direction of data flow through the bidirectional trans-
ceiver. Transmit (active-HIGH) enables data from A ports to
B ports; Receive (active-LOW) enables data from B ports to
A ports. The Output Enable input, when HIGH, disables both
A and B ports by placing them in a HIGH Z condition.
Features
n Ideal for low power/low noise 3.3V applications
n Implements patented EMI reduction circuitry
n Available in SOIC JEDEC, SOIC EIAJ and QSOP
packages
n Guaranteed simultaneous switching noise level and
dynamic threshold performance
n Improved latch-up immunity
n Guaranteed incident wave switching into 75
n 4 kV minimum ESD immunity
Ordering Code
Order Number
74LVQ245SC
74LVQ245SJ
74LVQ245QSC
Package Number
M20B
M20D
MQA20
Package Description
20-Lead (0.300" Wide) Small Outline Package, SOIC JEDEC
20-Lead Molded Shrink Small Outline Package, SOIC EIAJ
20-Lead (0.150" Wide) Molded Shrink Small Outline Package, SSOP JEDEC
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
Pin Assignment for
SOIC and QSOP
DS011357-1
IEEE/IEC
DS011357-3
DS011357-2
© 1998 Fairchild Semiconductor Corporation DS011357
www.fairchildsemi.com






74LVQ245 Datasheet, Funktion
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead (0.150" Wide) Molded Shrink Small Outline Package, SSOP JEDEC
(also known as QSOP)
Package Number MQA20
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE-
VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMI-
CONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or sys- 2. A critical component in any component of a life support
tems which, (a) are intended for surgical implant into
device or system whose failure to perform can be rea-
the body, or (b) support or sustain life, and (c) whose
sonably expected to cause the failure of the life support
failure to perform when properly used in accordance
device or system, or to affect its safety or effectiveness.
with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury
to the user.
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Tel: 81-3-3818-8840
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Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.

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