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SN74CB3T16210DGGR Folha de dados(PDF) 2 Page - Texas Instruments |
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SN74CB3T16210DGGR Folha de dados(HTML) 2 Page - Texas Instruments |
2 / 14 page www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) VCC 9V CC 5.5 V 0 V If the input high voltage (VIH) level is greater than or equal to VCC - 1 V, and less than or equal to 5.5 V, the output high voltage (VOH) level will be equal to approximately the VCC voltage level. Input Voltages Output Voltages 0 V 9V CC - 1 V 9V CC - 1 V VCC IN OUT CB3T SN74CB3T16210 20-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER SCDS156A – OCTOBER 2003 – REVISED MARCH 2005 The SN74CB3T16210 is organized as two 10-bit bus switches with separate ouput-enable (1OE, 2OE) inputs. It can be used as two 10-bit bus switches or as one 20-bit bus switch. When OE is low, the associated 10-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 10-bit bus switch is OFF, and a high-impedance state exists between the A and B ports. This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off. To 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. ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING TSSOP – DGG Tape and reel SN74CB3T16210DGGR CB3T16210 –40 °C to 85°C TVSOP – DGV Tape and reel SN74CB3T16210DGVR KR210 (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE (EACH 10-BIT BUS SWITCH) INPUT INPUT/OUTPUT FUNCTION OE A L B A port = B port H Z Disconnect Figure 1. Typical DC Voltage Translation Characteristics 2 |
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