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IDTQS32244

Features: • Enhanced N channel FET with no inherent diode to Vcc• 25 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 in...

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SeekIC No. : 004373410 Detail

IDTQS32244: Features: • Enhanced N channel FET with no inherent diode to Vcc• 25 bidirectional switches connect inputs to outputs• Pin compatible with 74F244, 74FCT244, and 74FCT244T• Ze...

IDTQS32244 Data Sheet

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Part Number:
IDTQS32244
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Enhanced N channel FET with no inherent diode to Vcc
• 25 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 and SOIC packages


Application

• 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


Pinout

Connection Diagram


Specifications

Symbol
Description
Max
Unit
VTERM(2)
Supply Voltage to Ground
0.5 to +7
V
VTERM(3)
DC Switch Voltage VS
0.5 to +7
V
VTERM(3)
DC Input Voltage VIN
0.5 to +7
V
VAC
AC Input Voltage (pulse width 20ns)
3
V
IOUT
DC Output Current
120
mA
PMAX
MaximumPower Dissipation (TA = 85°C)
0.5
W
TSTG
Storage Temperature
65 to +150
°C

NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
2. VCC terminals.
3. All terminals except VCC .




Description

The QS32244 provides a set of eight high-speed CMOS TTL-compatible bus switches in a pinout compatible with 74FCT244, 74F244, 74ALS/AS/ LS244 8-bit drivers. The two enable (xG) signals turn the switches on similar to the xG signals of the 74'244.

The QS32244 adds an internal 25 resistor to reduce reflection noise in high speed applications. When the switch is closed, it acts as the source termination for the driver connected to it.

QuickSwitch devices of IDTQS32244  provide an order of magnitude faster speed than conventional logic devices.

The QS32244 is characterized for operation at -40°C to +85°C.




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