FST16232MTDX

FST16232MTDX Datasheet

FST16232 Synchronous 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch

Part	Datasheet
FST16232MTDX	FST16232MTDX (pdf)

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FST16232 Synchronous 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch FST16232 Synchronous 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch The Fairchild Switch FST16232 is a 16-bit to 32-bit highspeed CMOS TTL-compatible synchronous multiplexer/ demultiplexer bus switch. 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 allows two separate datapaths to be multiplexed onto, or demultiplexed from, a single path. Two control select pins S1, S0 are synchronous and clocked on the rising edge of CLK when CLKEN is LOW. s 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 FST16232MEA MS56A 56-Lead Shrink Small Outline Package SSOP , JEDEC MO-118, Wide FST16232MTD MTD56 56-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 1999 Fairchild Semiconductor Corporation DS500054 FST16232 Connection Diagram Pin Descriptions Pin Name S1, S0 CLK CLKEN 1A, 2A 1B, 2B Description Control Pins Clock Input Clock Enable Input Bus A Bus B Truth Table Inputs S1 S0 XX CLK X CLKEN H Function Last State Disconnect A = B1 and A = B2 A = B1 A = B2 FST16232 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Switch Voltage VS DC Input Voltage VIN Note 2 DC Input Diode Current lIK VIN<0V DC Output IOUT Sink Current DC VCC/GND Current ICC/IGND Storage Temperature Range TSTG −0.5V to +7.0V −0.5V to +7.0V −0.5V to +7.0V −50mA 128mA +/− 100mA −65°C to +150 °C Recommended Operating Conditions Note 3 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 0nS/V to 5nS/V Switch I/O 0nS/V to DC Free Air Operating Temperature TA −40 °C to +85 °C 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 The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Note 3 Unused control inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics Parameter VCC V TA = −40 °C to +85 °C Typ Note 4 Units Conditions VIK VIH VIL II

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FST16232 Synchronous 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch

FST16232 Synchronous 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch

The Fairchild Switch FST16232 is a 16-bit to 32-bit highspeed CMOS TTL-compatible synchronous multiplexer/ demultiplexer bus switch. 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 allows two separate datapaths to be multiplexed onto, or demultiplexed from, a single path. Two control select pins S1, S0 are synchronous and clocked on the rising edge of CLK when CLKEN is LOW.
s 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

FST16232MEA

MS56A
56-Lead Shrink Small Outline Package SSOP , JEDEC MO-118, Wide

FST16232MTD

MTD56
56-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
1999 Fairchild Semiconductor Corporation DS500054

FST16232

Connection Diagram

Pin Descriptions

Pin Name S1, S0 CLK CLKEN 1A, 2A 1B, 2B

Description Control Pins Clock Input Clock Enable Input

Bus A Bus B

Truth Table

Inputs

S1 S0 XX

CLK X

CLKEN H

Function

Last State Disconnect A = B1 and A = B2

A = B1 A = B2

FST16232

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Switch Voltage VS DC Input Voltage VIN Note 2 DC Input Diode Current lIK VIN<0V DC Output IOUT Sink Current DC VCC/GND Current ICC/IGND Storage Temperature Range TSTG
−0.5V to +7.0V −0.5V to +7.0V −0.5V to +7.0V
−50mA 128mA +/− 100mA −65°C to +150 °C

Recommended Operating Conditions Note 3

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
0nS/V to 5nS/V

Switch I/O
0nS/V to DC

Free Air Operating Temperature TA −40 °C to +85 °C

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

Note 3 Unused control inputs must be held HIGH or LOW. They may not float.

DC Electrical Characteristics

Parameter

VCC V

TA = −40 °C to +85 °C

Typ Note 4

Units

Conditions

VIK VIH VIL II

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Datasheet ID: FST16232MTDX 515538