NC7WBD3306K8X
NC7WBD3306K8X Datasheet
NC7WB3306 2-Bit Low Power Bus Switch
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NC7WBD3306K8X |
NC7WBD3306K8X (pdf) |
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NC7WB3306K8X |
NC7WB3306K8X |
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| NC7WB3306 2-Bit Low Power Bus Switch NC7WB3306 2-Bit Low Power Bus Switch The NC7WB3306 is a 2-bit ultra high-speed CMOS FET bus switch with TTL-compatible active LOW control inputs. The low On Resistance of the switch allows inputs to be connected to outputs with minimal propagation delay and without generating additional ground bounce noise. The device is organized as a 2bit switch with independent bus enable OE controls. 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. Control inputs tolerate voltages up to 5.5V independent of VCC. O Space saving US8 surface mount package O Pb-Free leadless package O Typical 3 switch resistance at 5.0V VCC O Minimal propagation delay through the switch O Power down high impedance input/output O Zero bounce in flow through mode. O TTL compatible active LOW control inputs O Control inputs are overvoltage tolerant Ordering Code: Product Order Package Code Package Description Supplied As Number Top Mark NC7WB3306K8X MAB08A WB06 8-Lead US8, JEDEC MO-187, Variation CA 3.1mm Wide 3k Units on Tape and Reel NC7WB3306L8X MAC08A Pb-Free 8-Lead MicroPak, mm Wide 5k Units on Tape and Reel Pb-Free package per JEDEC J-STD-020B. is a trademark of Fairchild Semiconductor Corporation. 2005 Fairchild Semiconductor Corporation DS500377 NC7WB3306 Logic Symbol Connection Diagrams Pin Descriptions Pin Name A B OE Function Table Bus Enable Input OE H HIGH Logic Level L LOW Logic Level Bus A Bus B Bus Enable Input Function B Connected to A Disconnected Top View Pin One Orientation Diagram AAA represents Product Code Top Mark - see ordering code Note Orientation of Top Mark determines Pin One location. Read the top product code mark left to right, Pin One is the lower left pin see diagram . Pad Assignments for MicroPak Top Through View NC7WB3306 Absolute Maximum Ratings Note 1 Supply Voltage VCC DC Switch Voltage VS DC Output Voltage VIN Note 2 DC Input Diode Current IIK VIN 0V DC Output IOUT Current 128 mA DC VCC or Ground Current ICC/GND r100 mA Storage Temperature Range TSTG Junction Lead Temperature under Bias TJ Lead Temperature TL Soldering, 10 seconds Power Dissipation PD 250 mW DC Electrical Characteristics Recommended Operating Conditions Note 3 Supply Operating VCC Control Input Voltage VIN Switch Input Voltage VIN Output Voltage VOUT Operating Temperature TA Input Rise and Fall Time tr, tf Control Input Switch I/O T Thermal Resistance JA 4.0V to 5.5V 0V to 5.5V 0V to 5.5V 0V to 5.5V 0 ns/V to 5 ns/V 0 ns/V to DC 250qC/W 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 tables 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 logic inputs must be held HIGH or LOW. They may not float. Parameter Clamp Diode Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Voltage Input Leakage Current IOFF Switch OFF Leakage Current Switch On Resistance Note 4 'ICC |
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