FSTU3384WM
FSTU3384WM Datasheet
FSTU3384 10-Bit Bus Switch with −2V Undershoot Protection
| Part | Datasheet |
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FSTU3384WM |
FSTU3384WM (pdf) |
| Related Parts | Information |
|---|---|
FSTU3384QSCX |
FSTU3384QSCX |
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FSTU3384WMX |
FSTU3384WMX |
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FSTU3384MTCX |
FSTU3384MTCX |
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| FSTU3384 10-Bit Bus Switch with −2V Undershoot Protection FSTU3384 10-Bit Bus Switch with −2V Undershoot Protection The Fairchild Switch FSTU3384 provides 10 bits of highspeed CMOS TTL-compatible bus switches. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay generating additional ground bounce noise. Both the A Ports and the B Ports have “undershoot hardened” circuit protection to support an extended input range to 2.0V below ground. Fairchild’s integrated Undershoot Hardened Circuit senses undershoot at the I/Os, and responds by preventing voltage differentials from developing and turning on the switch. The device is organized as two 5-bit switches with separate bus enable OE signals. When OE is LOW, the switch is ON and Port A is connected to Port B. When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports. s switch connection between two ports s Undershoot Hardened to -2.0V. s Minimal propagation delay through the switch s Low lCC. s Zero ground bounce in flow-through mode s Control inputs compatible with TTL level s See Applications Note AN-5008 for details. Ordering Code: Order Number Package Number Package Description FSTU3384WM M24B 24-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide FSTU3384QSC MQA24 24-Lead Quarter Size Outline Package QSOP , JEDEC MO-137, Wide FSTU3384MTC 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 OE1, OE2 Bus Switch Enable Bus A Bus B Truth Table OE1 OE2 Function HIGH-Z State Connect H L HIGH-Z State Connect H HIGH-Z State HIGH-Z State Disconnect is a registered trademark of Fairchild Semiconductor Corporation. 2000 Fairchild Semiconductor Corporation DS500195 FSTU3384 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Switch Voltage VS DC Input Voltage VIN Note 2 DC Input Diode Current IIK VIN<0V DC Output IOUT Sink Current DC VCC/GND Current ICC/IGND Storage Temperature Range TSTG −0.5V to +7.0V −2.0V to +7.0V −0.5V to +7.0V −50 mA 128 mA +/− 100mA −65°C to +150°C Recommended Operating Conditions Note 3 Power Supply Operating VCC Input Voltage VIN Output Voltage VOUT Input Rise and Fall Time tr, tf Switch Control Input 4.0V to 5.5V 0V to 5.5V 0V to 5.5V 0nS/V to 5nS/V Switch I/O 0nS/V to DC Free Air Operating Temperature TA −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” table 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. Note 3 Unused control inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics Parameter |
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