SN74CB3Q16244

具有 4 个控制输入的 10pF 导通状态电容、5V、1:1 (SPST)、16 通道、FET 总线开关; • High-Bandwidth Data Path (Up to 500 MHz)\n• 5-V Tolerant I/Os With Device Powered Up or Powered Down\n• Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron= 5 Ω Typical)\n• Rail-to-Rail Switching on Data I/O Ports \n• 0 to 5-V Switching With 3.3-V VCC\n• 0 to 3.3-V Switching With 2.5-V VCC\n \n• Bidirectional Data Flow With Near-Zero Propagation Delay\n• Low Input and Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 4 pF Typical)\n• Fast Switching Frequency (fOE = 20 MHz Maximum)\n• Data and Control Inputs Provide Undershoot Clamp Diodes\n• Low Power Consumption (ICC = 1 mA Typical)\n• VCC Operating Range From 2.3 V to 3.6 V\n• Data I/Os Support 0 to 5-V Signaling Levels (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)\n• Control Inputs Can Be Driven by TTL or 5-V and 3.3-V CMOS Outputs\n• Ioff Supports Partial-Power-Down Mode Operation\n• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II\n• ESD Performance Tested Per JESD 22 \n• 2000-V Human Body Model (A114-B, Class II)\n• 1000-V Charged-Device Model (C101)\n \n• Supports Both Digital and Analog Applications;

The SN74CB3Q16244 device is a high-bandwidth FET bus switch using a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron). The low and flat ON-state resistance allows for minimal propagation delay and supports rail-to-rail switching on the data input/output (I/O) ports. The SN74CB3Q16244 device also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus. Specifically designed to support high-bandwidth applications, the SN74CB3Q16244 device provides an optimized interface solution ideally suited for broadband communications, networking, and data-intensive computing systems.\n\nThe SN74CB3Q16244 device is organized as four 4-bit bus switches with separate output-enable (1OE, 2OE, 3OE, 4OE) inputs. It can be used as four 4-bit bus switches, two 8-bit bus switches, or one 16-bit bus switch. When OE is low, the associated 4-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 4-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.\n\nThis device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry prevents damaging current backflow through the device when it is powered down. The device has isolation during power off.\n\nTo ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

SN74CB3Q16244

16-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH

SN74CB3Q16244

16-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH

SN74CB3Q16244DGG

SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV

SN74CB3Q16244DGGR

SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV

SN74CB3Q16244DGGR.B

SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV

SN74CB3Q16244DGV

SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV

SN74CB3Q16244DGVR

Marking：BW244；Package：TVSOP；SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV

SN74CB3Q16244DGVR.B

Marking：BW244；Package：TVSOP；SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV

SN74CB3Q16244DL

SN74CB3Q16244 16-Bit FET Bus Switch 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch

1Features 1•High-BandwidthDataPath(Upto500MHz)(1) •5-VTolerantI/OsWithDevicePoweredUpor PoweredDown •LowandFlatON-StateResistance(ron) CharacteristicsOverOperatingRange (ron=5ΩTypical) •Rail-to-RailSwitchingonDataI/OPorts –0to5-VSwitchingWith3.3-VV