74VCXH245MTCX

74VCXH245MTCX Datasheet

74VCXH245 Low Voltage Bidirectional Transceiver with Bushold

Part	Datasheet
74VCXH245MTCX	74VCXH245MTCX (pdf)

Related Parts	Information
74VCXH245WMX	74VCXH245WMX
74VCXH245MTC	74VCXH245MTC
74VCXH245WM	74VCXH245WM

PDF Datasheet Preview
74VCXH245 Low Voltage Bidirectional Transceiver with Bushold 74VCXH245 Low Voltage Bidirectional Transceiver with Bushold The VCXH245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The T/R input determines the direction of data flow. The OE input disables both the A and B Ports by placing them in a high impedance state. The VCXH245 data inputs include active bushold circuitry, eliminating the need for external pull-up resistors to hold unused or floating data inputs at a valid logic level. The 74VCXH245 is designed for low voltage 1.2V to 3.6V VCC applications. The 74VCXH245 is fabricated with an advanced CMOS technology to achieve high-speed operation while maintaining low CMOS power dissipation. s 1.2V to 3.6V VCC supply operation s Bushold on data inputs eliminates the need for external pull-up/pull-down resistors s tPD ns max for 3.0V to 3.6V VCC s Static Drive IOH/IOL r24 mA 3.0V VCC s Uses patented Quiet noise/EMI reduction circuitry s Latchup performance exceeds 300 mA s ESD performance: Human body model ! 2000V Machine model ! 200V Ordering Code: Order Number Package Number Package Description 74VCXH245WM M20B 20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide 74VCXH245MTC MTC20 20-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 Output Enable Input Active LOW Transmit/Receive Input Side A Bushold Inputs or 3-STATE Outputs Side B Bushold Inputs or 3-STATE Outputs Quiet is a trademark of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS500198 74VCXH245 Connection Diagram Logic Diagram Truth Table Inputs OE T/R Outputs L Bus Data to Bus H Bus Data to Bus X HIGH Z State on H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance 74VCXH245 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Input Voltage VI DC Output Voltage VO Outputs 3-STATE Outputs Active Note 2 to VCC 0.5V DC Input Diode Current IIK VI 0V DC Output Diode Current IOK VO 0V VO ! VCC DC Output Source/Sink Current IOH/IOL DC VCC or Ground Current Storage Temperature TSTG r50 mA r100 mA to Recommended Operating Conditions Note 3 Power Supply Operating 1.2V to 3.6V Input Voltage to 3.6V Output Voltage VO Output in Active States Output in 3-STATE 0V to VCC 0V to 3.6V Output Current in IOH/IOL VCC 3.0V to 3.6V VCC 2.3V to 2.7V VCC 1.65V to 2.3V VCC 1.4V to 1.65V VCC 1.2V Free Air Operating Temperature TA Minimum Input Edge Rate 't/'V r24 mA r18 mA

PDF Datasheet Preview

74VCXH245 Low Voltage Bidirectional Transceiver with Bushold
74VCXH245 Low Voltage Bidirectional Transceiver with Bushold

The VCXH245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The T/R input determines the direction of data flow. The OE input disables both the A and B Ports by placing them in a high impedance state. The VCXH245 data inputs include active bushold circuitry, eliminating the need for external pull-up resistors to hold unused or floating data inputs at a valid logic level.

The 74VCXH245 is designed for low voltage 1.2V to 3.6V VCC applications.

The 74VCXH245 is fabricated with an advanced CMOS technology to achieve high-speed operation while maintaining low CMOS power dissipation.
s 1.2V to 3.6V VCC supply operation s Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors s tPD
ns max for 3.0V to 3.6V VCC s Static Drive IOH/IOL
r24 mA 3.0V VCC s Uses patented Quiet noise/EMI reduction
circuitry s Latchup performance exceeds 300 mA s ESD performance:

Human body model ! 2000V Machine model ! 200V
Ordering Code:

Order Number Package Number

Package Description
74VCXH245WM

M20B
20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide
74VCXH245MTC

MTC20
20-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

Output Enable Input Active LOW Transmit/Receive Input Side A Bushold Inputs or 3-STATE Outputs Side B Bushold Inputs or 3-STATE Outputs

Quiet is a trademark of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS500198
74VCXH245

Connection Diagram Logic Diagram

Truth Table

Inputs OE T/R

Outputs

L Bus Data to Bus

H Bus Data to Bus

X HIGH Z State on

H HIGH Voltage Level

L LOW Voltage Level

X Immaterial

Z High Impedance
74VCXH245

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Input Voltage VI

DC Output Voltage VO Outputs 3-STATE

Outputs Active Note 2
to VCC 0.5V

DC Input Diode Current IIK VI 0V

DC Output Diode Current IOK VO 0V VO ! VCC

DC Output Source/Sink Current

IOH/IOL DC VCC or Ground Current Storage Temperature TSTG
r50 mA r100 mA to

Recommended Operating Conditions Note 3

Power Supply

Operating
1.2V to 3.6V

Input Voltage
to 3.6V

Output Voltage VO Output in Active States Output in 3-STATE
0V to VCC 0V to 3.6V

Output Current in IOH/IOL VCC 3.0V to 3.6V VCC 2.3V to 2.7V VCC 1.65V to 2.3V VCC 1.4V to 1.65V VCC 1.2V

Free Air Operating Temperature TA Minimum Input Edge Rate 't/'V
r24 mA r18 mA

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived 74VCXH245MTCX Datasheet file may be downloaded here without warranties.

Datasheet ID: 74VCXH245MTCX 513486