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SN74AVC4T245D 데이터시트(PDF) 9 Page - Texas Instruments |
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SN74AVC4T245D 데이터시트(HTML) 9 Page - Texas Instruments |
9 / 24 page SN74AVC4T245 4BIT DUALSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS SCES576A – JUNE 2004 – REVISED APRIL 2005 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (see Figure 11) PARAMETER FROM (INPUT) TO (OUTPUT) VCCB = 1.2 V VCCB = 1.5 V ± 0.1 V VCCB = 1.8 V ± 0.15 V VCCB = 2.5 V ± 0.2 V VCCB = 3.3 V ± 0.3 V UNIT PARAMETER (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX UNIT tPLH A B 2.9 0.1 5.6 0.1 4.5 0.1 3.3 0.1 2.9 ns tPHL A B 2.9 0.1 5.6 0.1 4.5 0.1 3.3 0.1 2.9 ns tPLH B A 2.6 0.6 4.2 0.4 3.4 0.2 3 0.1 2.8 ns tPHL B A 2.6 0.6 4.2 0.4 3.4 0.2 3 0.1 2.8 ns tPZH OE A 3.8 0.6 8.7 0.6 5.2 0.6 3.8 0.4 3.8 ns tPZL OE A 3.8 0.6 8.7 0.6 5.2 0.6 3.8 0.4 3.8 ns tPZH OE B 3.7 0.8 8.7 0.6 6.8 0.5 4.7 0.5 3.8 ns tPZL OE B 3.7 0.8 8.7 0.6 6.8 0.5 4.7 0.5 3.8 ns tPHZ OE A 4.8 0.7 9.3 0.7 8.3 0.7 5.6 0.7 6.6 ns tPLZ OE A 4.8 0.7 9.3 0.7 8.3 0.7 5.6 0.7 6.6 ns tPHZ OE B 5.3 1.4 9.3 1.2 8.1 1 6.4 0.8 6.2 ns tPLZ OE B 5.3 1.4 9.3 1.2 8.1 1 6.4 0.8 6.2 ns operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS VCCA = VCCB = 1.2 V VCCA = VCCB = 1.5 V VCCA = VCCB = 1.8 V VCCA = VCCB = 2.5 V VCCA = VCCB = 3.3 V UNIT PARAMETER CONDITIONS TYP TYP TYP TYP TYP UNIT A to B Outputs Enabled 1 1 1 1.5 2 CpdA† A to B Outputs Disabled CL = 0, f = 10 MHz, 1 1 1 1 1 pF CpdA† B to A Outputs Enabled f = 10 MHz, tr = tf =1 ns 12 12.5 13 14 15 pF B to A Outputs Disabled 1 1 1 1 1 A to B Outputs Enabled 12 12.5 13 14 15 CpdB† A to B Outputs Disabled CL = 0, f = 10 MHz, 1 1 1 1 1 pF CpdB† B to A Outputs Enabled L f = 10 MHz, tr = tf =1 ns 1 1 1 1 2 pF B to A Outputs Disabled 1 1 1 1 1 † Power dissipation capacitance per transceiver |
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