FST3383WMX

FST3383WMX Datasheet


FST3383 10-Bit Low Power Bus-Exchange Switch

Part Datasheet
FST3383WMX FST3383WMX FST3383WMX (pdf)
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FST3383 10-Bit Low Power Bus-Exchange Switch

FST3383 10-Bit Low Power Bus-Exchange Switch

The FST3383 provides two sets of high-speed CMOS TTLcompatible bus switches. 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 operates as a 10-bit bus switch or a 5-bit bus exchanger. The bus exchange BX signal provides nibble swapping of the AB and CD pairs of signals. This exchange configuration allows byte swapping of buses in systems. It can also be used as a quad 2-to-1 multiplexer and to create low delay barrel shifters. The bus enable BE signal turns the switches ON.
s switch connection between two ports s Zero propagation delay s Ultra low power with µA typical ICC s Zero ground bounce in flow-through mode s Control inputs compatible with TTL level
Ordering Code:

Order Number Package Number

Package Description

FST3383WM

M24B
24-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide

FST3383QSC

MQA24
24-Lead Quarter Size Outline Package QSOP , JEDEC MO-137, Wide

FST3383MTC

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.

Logic Diagram

Connection Diagram

Pin Descriptions

Pin Names

BE BX

Description Bus Switch Enable Bus Exchange Buses A, B Buses C, D

Truth Table

BE BX

Function

H X High-Z State High-Z State Disconnect

Connect Exchange
1999 Fairchild Semiconductor Corporation DS011652.prf

FST3383

Absolute Maximum Ratings Note 1

Supply Voltage VCC DC Switch Voltage VS DC Input Voltage VI Note 2 DC Input Diode Current IIN with VI < 0

DC Output IO Sink Current Storage Temperature Range TSTG Power Dissipation
−0.5V to +7.0V −0.5V to +7.0V −0.5V to +7.0V
−20 mA 120 mA −65°C to +150°C
0.5W

Recommended Operating Conditions

Supply Voltage VCC Free Air Operating Temperature TA
4.0V to 5.5V −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 ratings. 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.

DC Electrical Characteristics

Parameter

TA = −40°C to +85°C

VCC V

Units

Note 3

Conditions

Maximum Clamp Diode Voltage

Minimum High Level Input Voltage

Maximum Low Level Input Voltage

Maximum Input

Leakage Current

IIN = −18 mA
µA 0 VIN 5.25V

Maximum 3-STATE I/O Leakage
±10
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Datasheet ID: FST3383WMX 515547