IDTQS3257S1 Integrated Device Technology, Inc., IDTQS3257S1 Datasheet

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IDTQS3257S1

Manufacturer Part Number
IDTQS3257S1
Description
QUICKSWITCH PRODUCTS HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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FEATURES:
• Enhanced N channel FET with no inherent diode to Vcc
• 5Ω Ω Ω Ω Ω bidirectional switches connect inputs to outputs
• Pin compatible with the 74F257, 74FCT257, and 74FCT257T
• Zero propagation delay, zero ground bounce
• Undershoot clamp diodes on all switch and control inputs
• TTL-compatible control inputs
• Available in SOIC, QSOP, and S1 packages
APPLICATIONS:
• Logic replacement
• Video, audio, graphics switching, muxing
• Hot-swapping, hot-docking
• Voltage translation (5V to 3.3V)
• Bus funneling
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
IDTQS3257
HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
c
FUNCTIONAL BLOCK DIAGRAM
2001 Integrated Device Technology, Inc.
S
E
Y
Y
Y
Y
A
B
C
D
QUICKSWITCH
HIGH-SPEED CMOS
QUICKSWITCH
QUAD 2:1 MUX/DEMUX
1
®
DESCRIPTION:
multiplexer/demultiplexer. The QS3257 is a function and pinout compatible
QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257
Quad 2:1 multiplexers. The low ON resistance of the QS3257 allows inputs
to be connected to outputs without adding propagation delay and without
generating additional ground bounce noise.
equivalent logic devices.
The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1
Mux/Demux devices provide an order of magnitude faster speed than
The QS3257 is characterized for operation at -40°C to +85°C.
PRODUCTS
INDUSTRIAL TEMPERATURE RANGE
FEBRUARY 2001
I
I
I
I
I
I
I
I
0A
1A
0B
1B
0C
1C
0D
1D
IDTQS3257
DSC-5756/4

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IDTQS3257S1 Summary of contents

Page 1

... Bus funneling FUNCTIONAL BLOCK DIAGRAM The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE c 2001 Integrated Device Technology, Inc. ® QUICKSWITCH PRODUCTS HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX DESCRIPTION: The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1 multiplexer/demultiplexer ...

Page 2

IDTQS3257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX PIN CONFIGURATION GND 8 SOIC/ QSOP/ S1 TOP VIEW ABSOLUTE MAXIMUM RATINGS Symbol ...

Page 3

IDTQS3257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° 5.0V ± Symbol Parameter V Input HIGH Level IH V Input ...

Page 4

IDTQS3257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX POWER SUPPLY CHARACTERISTICS Symbol Parameter I Quiescent Power Supply Current CCQ ∆I Power Supply Current per Control Input HIGH CC I Dynamic Power Supply Current per MHz CCD NOTES: 1. For conditions shown ...

Page 5

IDTQS3257 HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX ORDERING INFORMATION IDTQS XX XXXXX Package Device Type CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 INDUSTRIAL TEMPERATURE RANGE SO Small Outline IC Q Quarter Size Outline Package S1 Small Outline IC ...

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