74LVX4245MTC Fairchild Semiconductor, 74LVX4245MTC Datasheet

TXRX 8-BIT DUAL 3STATE 24TSSOP

74LVX4245MTC

Manufacturer Part Number
74LVX4245MTC
Description
TXRX 8-BIT DUAL 3STATE 24TSSOP
Manufacturer
Fairchild Semiconductor
Series
74LVXr
Type
Transceiverr
Datasheet

Specifications of 74LVX4245MTC

Number Of Drivers/receivers
8/8
Voltage - Supply
2.7 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Logic Type
CMOS
Logic Family
74LVX
Number Of Channels Per Chip
8
Input Level
CMOS
Output Level
CMOS
Output Type
3-State
High Level Output Current
- 24 mA
Low Level Output Current
24 mA
Propagation Delay Time
8.5 ns
Supply Voltage (max)
3.6 V, 5.5 V
Supply Voltage (min)
2.7 V, 4.5 V
Maximum Operating Temperature
+ 85 C
Function
Transceiver
Input Bias Current (max)
8 uA
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Circuits
2
Polarity
Non-Inverting
Output Current
50mA
Supply Voltage Range
2.7V To 5.5V
Logic Case Style
TSSOP
No. Of Pins
24
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Protocol
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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© 2003 Fairchild Semiconductor Corporation
74LVX4245WM
74LVX4245QSC
74LVX4245MTC
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.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Order Number
Package Number
MQA24
MTC24
M24B
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
DS011540
Features
Pin Descriptions
Truth Table
H
L
X
Bidirectional interface between 5V and 3V buses
Control inputs compatible with TTL level
5V data flow at A Port and 3V data flow at B Port
Outputs source/sink 24 mA at 5V bus; 12 mA at 3V bus
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Implements patented EMI reduction circuitry
Functionally compatible with the 74 series 245
Pin Names
LOW Voltage Level
Immaterial
HIGH Voltage Level
A
B
OE
T/R
OE
0
0
H
L
L
Package Description
–A
–B
7
7
Inputs
Output Enable Input
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
T/R
H
X
L
Bus B Data to Bus A
Bus A Data to Bus B
HIGH-Z State
January 1993
Revised September 2003
Description
www.fairchildsemi.com
Outputs

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74LVX4245MTC Summary of contents

Page 1

... MQA24 24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide 74LVX4245MTC MTC24 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. ...

Page 2

Logic Diagram www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings Supply Voltage ( CCA CCB DC Input Voltage ( OE, T/R 0. Input/Output Voltage ( ...

Page 4

DC Electrical Characteristics Symbol Parameter I Quiescent V CCA CCA Supply Current I Quiescent V CCB CCB Supply Current V Quiet Output Maximum OLPA V Dynamic V OLPB OL V Quiet Output Minimum OLVA V Dynamic V OLVB OL V ...

Page 5

Capacitance Symbol Parameter C Input Capacitance IN C Input/Output I/O Capacitance C Power Dissipation PD Capacitance (Note 10) Note 10 measured at 10 MHz PD 8-Bit Dual Supply Translating Transceiver The LVX4245 is a dual supply device capable ...

Page 6

Applications: Mixed Mode Dual Supply Interface Solution LVX4245 is designed to solve 3V/5V interfacing issues when CMOS devices cannot tolerate I/O levels above their applied I/O pin of 3V ICs is driven by 5V ICs, the ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 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 Package Number M24B Package Number MQA24 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves ...

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