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Part Number: IDTQS3244
Description: The QS3244 provides a set of eight high-speed CMOS TTL-compatible bus switches in a pinout comp...
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IDTQS3244
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General Description
IDTQS3244 General Description
The QS3244 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 low ON resistance (5) 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.
QuickSwitch devices provide an order of magnitude faster speed than conventional logic devices.
The QS3244 is characterized for operation at -40°C to +85°C.
IDTQS3244 Maximum Ratings
| Symbol | Description | Max | Unit |
| VTERM(2) | SupplyVoltage 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 | Maximum Power Dissipation (TA = 85) | 0.5 | W |
| TSTG | Storage Temperature | 65 to +150 |
IDTQS3244 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, SOIC, and TSSOP packages
*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, SOIC, and TSSOP packages
IDTQS3244 Typical 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
* Voltage translation (5V to 3.3V)
* Power conservation
* Capacitance reduction and isolation
* Logic replacement (data processing)
* Clock gating
* Bus switching and isolation
IDTQS3244 Connection Diagram
IDTQS3244
PDF/DataSheet Download
- Datasheet: IDTQS3244
- File Size: 43509 KB
- Manufacturer: IDT [Integrated Device Technology]
- Click here to Download
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