74LCX245MTCX Fairchild Semiconductor, 74LCX245MTCX Datasheet

IC TXRX BIDIRECT 5V I/O 20-TSSOP

74LCX245MTCX

Manufacturer Part Number
74LCX245MTCX
Description
IC TXRX BIDIRECT 5V I/O 20-TSSOP
Manufacturer
Fairchild Semiconductor
Series
74LCXr
Datasheet

Specifications of 74LCX245MTCX

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
24mA, 24mA
Voltage - Supply
2 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Logic Family
LCX
Operating Supply Voltage (typ)
2.5/3.3V
Propagation Delay Time
10.5ns
Number Of Elements
1
Number Of Channels
8
Input Logic Level
LVTTL/TTL
Output Logic Level
LVCMOS
Output Type
3-State
Package Type
TSSOP
Polarity
Non-Inverting
Logical Function
Bus Transceiver
Operating Supply Voltage (min)
2V
Operating Supply Voltage (max)
3.6V
Technology
CMOS
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Logic Device Type
Transceiver, Non Inverting
Supply Voltage Range
2V To 3.6V
Logic Case Style
TSSOP
No. Of Pins
20
Operating Temperature Range
-40°C To +85°C
Family Type
LCX
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74LCX245MTCX
74LCX245MTCXTR

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©1994 Fairchild Semiconductor Corporation
74LCX245 Rev. 1.11.0
74LCX245
Low Voltage Bidirectional Transceiver with 5V Tolerant
Inputs and Outputs
Features
Note:
1. To ensure the high-impedance state during power up
Ordering Information
Note:
2. DQFN package available in Tape and Reel only.
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
74LCX245WM
74LCX245SJ
74LCX245BQX
74LCX245MSA
74LCX245MTC
5V tolerant inputs and outputs
2.3V to 3.6V V
7.0ns t
Power down high impedance inputs and outputs
Supports live insertion/withdrawal
±24mA output drive (V
Implements patented noise/EMI reduction circuitry
Latch-up performance exceeds 500mA
ESD performance:
– Human body model
– Machine model
Leadless DQFN package
or down, OE should be tied to V
resistor: the minimum value or the resistor is
determined by the current-sourcing capability of the
driver.
Order Number
All packages are lead free per JEDEC: J-STD-020B standard.
PD
max. (V
(2)
CC
specifications provided
CC
200V
CC
Package
3.3V), 10µA I
Number
MLP20B
MSA20
MTC20
2000V
M20B
M20D
3.0V)
CC
(1)
through a pull-up
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN),
JEDEC MO-241, 2.5 x 4.5mm
20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
4.4mm Wide
CC
max.
General Description
The LCX245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus
oriented applications. The device is designed for low
voltage (2.5V and 3.3V) V
of interfacing to a 5V signal environment. The T/R input
determines the direction of data flow through the device.
The OE input disables both the A and B ports by placing
them in a high impedance state.
The LCX245 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
Package Description
CC
applications with capability
February 2008
www.fairchildsemi.com

Related parts for 74LCX245MTCX

74LCX245MTCX Summary of contents

Page 1

... DQFN package available in Tape and Reel only. Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number. All packages are lead free per JEDEC: J-STD-020B standard. ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 General Description The LCX245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications ...

Page 2

... Pin Description Pin Description Names OE Output Enable Input T/R Transmit/Receive Input A –A Side A Inputs or 3-STATE Outputs –B Side B Inputs or 3-STATE Outputs 0 7 ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 Logic Symbol Truth Table Inputs OE T/R Outputs L L Bus B – B Data to Bus Bus A – ...

Page 3

... CC V 2.7V–3. 2.3V–2. Free-Air Operating Temperature Input Edge Rate, V Note: 5. Unused inputs must be held HIGH or LOW. They may not float. ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 Parameter (4) GND I (5) Parameter 0.8V–2.0V Rating –0.5V to +7.0V –0.5V to +7.0V – ...

Page 4

... Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW ( LOW-to-HIGH (t OSHL ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 V (V) Conditions CC 2.3– ...

Page 5

... Dynamic Switching Characteristics Symbol Parameter V Quiet Output Dynamic Peak V OLP V Quiet Output Dynamic Valley V OLV Capacitance Symbol Parameter C Input Capacitance IN C Output Capacitance OUT C Power Dissipation Capacitance PD ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 V (V) Conditions CC 3.3 C 50pF, V 3.3V 2.5 C 30pF, V 2.5V 3.3 C 50pF ...

Page 6

... Waveform for Inverting and Non-Inverting Functions Propagation Delay. Pulse Width and t 3-STATE Output Low Enable and Disable Times for Logic Figure 2. Waveforms (Input Characteristics 1MHz, t ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 (Generic for LCX Family) includes probe and jig capacitance) L ...

Page 7

... Schematic Diagram (Generic for LCX Family) ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 7 www.fairchildsemi.com ...

Page 8

... Leader (Start End) Trailer (Hub End) Tape Dimension inches (millimeters) Reel Dimensions inches (millimeters) Tape Size A 12mm 13.0 (330.0) 0.059 (1.50) ©1994 Fairchild Semiconductor Corporation 74LCX245 Rev. 1.11.0 Number of Cavities Cavity Status 125 (typ.) Carrier 3000 75 (typ 0.512 (13.00) 0.795 (20.20) 2.165 (55.00) ...

Page 9

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifi ...

Page 10

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifi ...

Page 11

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifi ...

Page 12

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifi ...

Page 13

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifi ...

Page 14

... TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended exhaustive list of all such trademarks. ® ACEx Build it Now™ CorePLUS™ CROSSVOLT™ CTL™ Current Transfer Logic™ ...

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