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SN74AVCA164245 数据表(PDF) 8 Page - Texas Instruments |
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SN74AVCA164245 数据表(HTML) 8 Page - Texas Instruments |
8 / 15 page www.ti.com Switching Characteristics Operating Characteristics OUTPUT DESCRIPTION 136 -128 -144 -160 0.4 0.8 1.2 1.6 2.0 2.4 2.8 170 153 119 102 85 68 51 34 17 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 TA = 25°C Process = Nominal IOL - Output Current - mA VCC = 3.3 V VCC = 2.5 V VCC = 1.8 V TA = 25°C Process = Nominal IOH - Output Current - mA VCC = 3.3 V VCC = 2.5 V VCC = 1.8 V -80 -96 -112 -32 -48 -64 0 -16 SN74AVCA164245 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES395B – JULY 2002 – REVISED OCTOBER 2005 over recommended operating free-air temperature range, V CCA = 3.3 V ± 0.3 V (see Figure 2) VCCB = 1.5 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V FROM TO ± 0.1 V ± 0.15 V ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX A B 1.5 5.9 1.7 5.4 1.5 3.7 1.4 3.1 tpd ns B A 1.3 4.5 1.6 3.8 1.5 3.3 1.4 3.1 A 2.5 7 2.6 6.9 2.1 5 1.9 4.1 ten OE ns B 0.8 2.6 1.9 4 2 4.1 1.9 4.1 A 1.2 5.4 2.2 5.2 1.2 3.3 1.5 3.6 tdis OE ns B 1.2 5.4 1.7 4.4 1.5 3.6 1.5 3.6 V CCA and VCCB = 3.3 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Outputs enabled 14 Power dissipation capacitance per transceiver, A-port input, B-port output Outputs disabled 7 CpdA CL = 0, f = 10 MHz pF Outputs enabled 20 Power dissipation capacitance per transceiver, B-port input, A-port output Outputs disabled 7 Outputs enabled 14 Power dissipation capacitance per transceiver, A-port input, B-port output Outputs disabled 7 CpdB CL = 0, f = 10 MHz pF Outputs enabled 20 Power dissipation capacitance per transceiver, B-port input, A-port output Outputs disabled 7 The DOC™ circuitry is implemented, which, during the transition, initially lowers the output impedance to effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1 shows typical VOL vs IOL and VOH vs IOH curves to illustrate the output impedance and drive capability of the circuit. At the beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is equivalent to a high-drive standard-output device. For more information, refer to the TI application reports, AVC Logic Family Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOC™) Circuitry Technology and Applications, literature number SCEA009. Figure 1. Output Voltage vs Output Current 8 |
类似零件编号 - SN74AVCA164245_07 |
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类似说明 - SN74AVCA164245_07 |
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