IDTQS3244 Integrated Device Technology, IDTQS3244 Datasheet

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IDTQS3244

Manufacturer Part Number
IDTQS3244
Description
Quickswitch Products High-speed Cmos Quickswitch 8-bit Bus Switch
Manufacturer
Integrated Device Technology
Datasheet

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Part Number:
IDTQS3244SOG
Manufacturer:
IDT
Quantity:
4 529
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 74F244, 74FCT244, and 74FCT244T
• Zero propagation delay, zero ground bounce
• Undershoot clamp diodes on all switch and control inputs
• Available in QSOP, SOIC, and TSSOP packages
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
APPLICATIONS:
• Hot-swapping, hot-docking
• Voltage translation (5V to 3.3V)
• Power conservation
• Capacitance reduction and isolation
• Logic replacement (data processing)
• Clock gating
• Bus switching and isolation
FUNCTIONAL BLOCK DIAGRAM
INDUSTRIAL TEMPERATURE RANGE
IDTQS3244
HIGH-SPEED CMOS QUICKSWITCH 8-BIT BUS SWITCH
c
1A
1A
1A
1A
2006 Integrated Device Technology, Inc.
1G
1
2
3
4
QUICKSWITCH
HIGH-SPEED CMOS
QUICKSWITCH
8-BIT BUS SWITCH
1Y
1Y
1Y
1Y
1
2
3
4
1
®
DESCRIPTION:
bus switches in a pinout compatible with 74FCT244, 74F244, 74ALS/AS/
LS244 8-bit drivers. The low ON resistance (5Ω) of the 3244 allows inputs
to be connected to outputs without adding propagation delay and without
generating additional ground bounce noise. The two enable (xG) signals
turn the switches on similar to the xG signals of the 74’244.
conventional logic devices.
The QS3244 provides a set of eight high-speed CMOS TTL-compatible
QuickSwitch devices provide an order of magnitude faster speed than
PRODUCTS
2A
2A
2A
2A
The QS3244 is characterized for operation at -40°C to +85°C.
2G
1
2
3
4
INDUSTRIAL TEMPERATURE RANGE
IDTQS3244
JUNE 2006
2Y
2Y
2Y
2Y
1
2
3
4
DSC-5722/8

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IDTQS3244 Summary of contents

Page 1

... QuickSwitch devices provide an order of magnitude faster speed than conventional logic devices. The QS3244 is characterized for operation at -40°C to +85° INDUSTRIAL TEMPERATURE RANGE IDTQS3244 JUNE 2006 DSC-5722/8 ...

Page 2

... IDTQS3244 HIGH-SPEED CMOS QUICKSWITCH 8-BIT BUS SWITCH PIN CONFIGURATION QSOP/ SOIC/ TSSOP TOP VIEW ABSOLUTE MAXIMUM RATINGS Symbol (2) V TERM (3) V TERM (3) TERM V AC ...

Page 3

... IDTQS3244 HIGH-SPEED CMOS QUICKSWITCH 8-BIT BUS SWITCH DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° ± Symbol Parameter V Input HIGH Voltage IH V Input LOW Voltage IL I Input Leakage Current (Control Inputs) ...

Page 4

... IDTQS3244 HIGH-SPEED CMOS QUICKSWITCH 8-BIT BUS SWITCH POWER SUPPLY CHARACTERISTICS Symbol Parameter I Quiescent Power Supply Current CCQ ΔI Power Supply Current per Control Input HIGH CC I Dynamic Power Supply Current per MHz CCD NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. ...

Page 5

... IDTQS3244 HIGH-SPEED CMOS QUICKSWITCH 8-BIT BUS SWITCH ORDERING INFORMATION XX IDTQS XXXXX Package Device Type CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 INDUSTRIAL TEMPERATURE RANGE Q Quarter Size Outline Package QG QSOP - Green SO Small Outline IC SOG SOIC - Green PAG TSSOP - Green ...

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