FST16862MTD

FST16862MTD Datasheet

FST16862 20-Bit Bus Switch

Part	Datasheet
FST16862MTD	FST16862MTD (pdf)

Related Parts	Information
FST16862MTDX	FST16862MTDX

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FST16862 20-Bit Bus Switch FST16862 20-Bit Bus Switch The Fairchild Switch FST16862 provides 20-bits of highspeed CMOS TTL-compatible bus switching. The low On Resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. The device is organized as a 20-bit bus switch. When OEX is LOW, the switch is ON and Port A is connected to Port B. When OEX is HIGH, a high impedance state exists between the A and B Ports. s 4 switch connection between two ports. s Minimal propagation delay through the switch. s Low lCC. s Zero bounce in flow-through mode. s Control inputs compatible with TTL level. Ordering Code: Order Number Package Number Package Description FST16862QSP MQA48A 48-Lead Quarter Size Very Small Outline Package QVSOP , JEDEC MO-154, Wide Preliminary FST16862MTD MTD48 48-Lead Thin Shrink Small Outline Package TSSOP , JEDEC MO-153, 6.1mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Diagram 2005 Fairchild Semiconductor Corporation DS500702 FST16862 Connection Diagram Truth Table Inputs OEx L H Inputs/Outputs A, B AB Pin Descriptions Pin Name OEx A B Bus Switch Enables Bus A Bus B FST16862 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Switch Voltage VS Note 2 DC Input Voltage VIN Note 3 DC Input Diode Current lIK VIN 0V DC Output IOUT Current DC VCC/GND Current ICC/IGND Storage Temperature Range TSTG 0.5V to mA 128 mA r100 mA to qC Recommended Operating Conditions Note 4 Power Supply Operating VCC Input Voltage VIN Output Voltage VOUT Input Rise and Fall Time tr, tf Switch Control Input 4.0V to 5.5V 0V to 5.5V 0V to 5.5V 0 ns/V to 5 ns/V Switch I/O 0 ns/V to DC Free Air Operating Temperature TA -40 qC to qC Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum rating. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Note 2 VS is the voltage observed/applied at either the A or B Ports across the switch. Note 3 The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Note 4 Unused control inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics Parameter VCC V TA qC to qC Units Note 5 Conditions Clamp Diode Voltage IIN mA HIGH Level Input Voltage

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FST16862 20-Bit Bus Switch

FST16862 20-Bit Bus Switch

The Fairchild Switch FST16862 provides 20-bits of highspeed CMOS TTL-compatible bus switching. The low On Resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise.

The device is organized as a 20-bit bus switch. When OEX is LOW, the switch is ON and Port A is connected to Port B. When OEX is HIGH, a high impedance state exists between the A and B Ports.
s 4 switch connection between two ports. s Minimal propagation delay through the switch. s Low lCC. s Zero bounce in flow-through mode. s Control inputs compatible with TTL level.
Ordering Code:

Order Number

Package Number

Package Description

FST16862QSP MQA48A 48-Lead Quarter Size Very Small Outline Package QVSOP , JEDEC MO-154, Wide Preliminary

FST16862MTD MTD48 48-Lead Thin Shrink Small Outline Package TSSOP , JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Diagram
2005 Fairchild Semiconductor Corporation DS500702

FST16862

Connection Diagram

Truth Table

Inputs

OEx L H

Inputs/Outputs

A, B AB

Pin Descriptions

Pin Name

OEx A B

Bus Switch Enables Bus A Bus B

FST16862

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Switch Voltage VS Note 2 DC Input Voltage VIN Note 3 DC Input Diode Current lIK VIN 0V DC Output IOUT Current DC VCC/GND Current ICC/IGND Storage Temperature Range TSTG
0.5V to
mA 128 mA r100 mA to qC

Recommended Operating Conditions Note 4

Power Supply Operating VCC Input Voltage VIN Output Voltage VOUT Input Rise and Fall Time tr, tf

Switch Control Input
4.0V to 5.5V 0V to 5.5V 0V to 5.5V
0 ns/V to 5 ns/V

Switch I/O
0 ns/V to DC

Free Air Operating Temperature TA -40 qC to qC

Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum rating. The “Recommended Operating Conditions” table will define the conditions for actual device operation.

Note 2 VS is the voltage observed/applied at either the A or B Ports across the switch.

Note 3 The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed.

Note 4 Unused control inputs must be held HIGH or LOW. They may not float.

DC Electrical Characteristics

Parameter

VCC V

TA qC to qC

Units

Note 5

Conditions

Clamp Diode Voltage

IIN mA

HIGH Level Input Voltage

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Datasheet ID: FST16862MTD 515543