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74LVX4245MTC_Q

Description
Bus Transceivers 8-Bit Dl Supp Trans
Categorysemiconductor    logic   
File Size85KB,8 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
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74LVX4245MTC_Q Overview

Bus Transceivers 8-Bit Dl Supp Trans

74LVX4245MTC_Q Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerFairchild
Product CategoryBus Transceivers
RoHSN
Logic FamilyLVX
Input LevelCMOS
Output LevelCMOS
Output Type3-State
High Level Output Current- 24 mA
Low Level Output Current24 mA
Propagation Delay Time8.5 ns
Supply Voltage - Max3.6 V, 5.5 V
Supply Voltage - Min2.7 V, 4.5 V
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Package / CaseTSSOP-24
PackagingTube
FunctionBus Transceiver with Voltage Translation
Height0.95 mm
Length7.8 mm
Number of Circuits1
ProductCMOS
TechnologyCMOS
Width4.4 mm
Mounting StyleSMD/SMT
Number of Channels8
Supply Current - Max8 uA
NumOfPackaging1
Operating Supply Voltage3.3 V to 5 V
PolarityNon-Inverting
Unit Weight0.007478 oz
74LVX4245 8-Bit Dual Supply Translating Transceiver with 3-STATE Outputs
January 1993
Revised September 2003
74LVX4245
8-Bit Dual Supply Translating Transceiver
with 3-STATE Outputs
General Description
The LVX4245 is a dual-supply, 8-bit translating transceiver
that is designed to interface between a 5V bus and a 3V
bus in a mixed 3V/5V supply environment. The Transmit/
Receive (T/R) input determines the direction of data flow.
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 impedance
condition. The A Port interfaces with the 5V bus; the B Port
interfaces with the 3V bus.
The LVX4245 is suitable for mixed voltage applications
such as laptop computers using 3.3V CPU’s and 5V LCD
displays.
Features
s
Bidirectional interface between 5V and 3V buses
s
Control inputs compatible with TTL level
s
5V data flow at A Port and 3V data flow at B Port
s
Outputs source/sink 24 mA at 5V bus; 12 mA at 3V bus
s
Guaranteed simultaneous switching noise level and
dynamic threshold performance
s
Implements patented EMI reduction circuitry
s
Functionally compatible with the 74 series 245
Ordering Code:
Order Number
74LVX4245WM
74LVX4245QSC
74LVX4245MTC
Package Number
M24B
MQA24
MTC24
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OE
T/R
A
0
–A
7
Description
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
Connection Diagram
B
0
–B
7
Truth Table
Inputs
OE
L
L
H
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Outputs
T/R
L
H
X
Bus B Data to Bus A
Bus A Data to Bus B
HIGH-Z State
© 2003 Fairchild Semiconductor Corporation
DS011540
www.fairchildsemi.com

74LVX4245MTC_Q Related Products

74LVX4245MTC_Q 74LVX4245QSC_Q
Description Bus Transceivers 8-Bit Dl Supp Trans Bus Transceivers 8-Bit Dl Supp Trans
Product Attribute Attribute Value Attribute Value
Manufacturer Fairchild Fairchild
Product Category Bus Transceivers Bus Transceivers
RoHS N N
Logic Family LVX LVX
Input Level CMOS CMOS
Output Level CMOS CMOS
Output Type 3-State 3-State
High Level Output Current - 24 mA - 24 mA
Low Level Output Current 24 mA 24 mA
Propagation Delay Time 8.5 ns 8.5 ns
Supply Voltage - Max 3.6 V, 5.5 V 3.6 V, 5.5 V
Supply Voltage - Min 2.7 V, 4.5 V 2.7 V, 4.5 V
Minimum Operating Temperature - 40 C - 40 C
Maximum Operating Temperature + 85 C + 85 C
Package / Case TSSOP-24 QSOP-24
Packaging Tube Tube
Function Bus Transceiver with Voltage Translation Bus Transceiver with Voltage Translation
Height 0.95 mm 1.45 mm
Length 7.8 mm 8.66 mm
Number of Circuits 1 1
Product CMOS CMOS
Technology CMOS CMOS
Width 4.4 mm 3.91 mm
Mounting Style SMD/SMT SMD/SMT
Number of Channels 8 8
Supply Current - Max 8 uA 8 uA
NumOfPackaging 1 1
Operating Supply Voltage 3.3 V to 5 V 3.3 V to 5 V
Polarity Non-Inverting Non-Inverting
Unit Weight 0.007478 oz 0.009016 oz
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