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SN74AVC2T45YZPR Datasheet(PDF) 6 Page - Texas Instruments |
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SN74AVC2T45YZPR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 21 page www.ti.com Switching Characteristics Switching Characteristics SN74AVC2T45 DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES531F – DECEMBER 2003 – REVISED MAY 2005 over recommended operating free-air temperature range, V CCA = 1.2 V (see Figure 11) VCCB = 1.2 V VCCB = 1.5 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V FROM TO PARAMETER UNIT (INPUT) (OUTPUT) TYP TYP TYP TYP TYP tPLH 3.1 2.6 2.4 2.2 2.2 A B ns tPHL 3.1 2.6 2.4 2.2 2.2 tPLH 3.4 3.1 3 2.9 2.9 B A ns tPHL 3.4 3.1 3 2.9 2.9 tPHZ 5.2 5.2 5.1 5 4.8 DIR A ns tPLZ 5.2 5.2 5.1 5 4.8 tPHZ 5 4 3.8 2.8 3.2 DIR B ns tPLZ 5 4 3.8 2.8 3.2 tPZH(1) 8.4 7.1 6.8 5.7 6.1 DIR A ns tPZL(1) 8.4 7.1 6.8 5.7 6.1 tPZH(1) 8.3 7.8 7.5 7.2 7 DIR B ns tPZL(1) 8.3 7.8 7.5 7.2 7 (1) The enable time is a calculated value, derived using the formula shown in the enable times section. over recommended operating free-air temperature range, V CCA = 1.5 V ± 0.1 V (see Figure 11) VCCB = 1.5 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V VCCB = 1.2 V FROM TO ± 0.1 V ± 0.15 V ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX tPLH 2.8 0.7 5.4 0.5 4.6 0.4 3.7 0.3 3.5 A B ns tPHL 2.8 0.7 5.4 0.5 4.6 0.4 3.7 0.3 3.5 tPLH 2.7 0.8 5.4 0.7 5.2 0.6 4.9 0.5 4.7 B A ns tPHL 2.7 0.8 5.4 0.7 5.2 0.6 4.9 0.5 4.7 tPHZ 3.9 1.3 8.5 1.3 7.8 1.1 7.7 1.4 7.6 DIR A ns tPLZ 3.9 1.3 8.5 1.3 7.8 1.1 7.7 1.4 7.6 tPHZ 4.7 1.1 7 1.4 6.9 1.2 6.9 1.7 7.1 DIR B ns tPLZ 4.7 1.1 7 1.4 6.9 1.2 6.9 1.7 7.1 tPZH(1) 7.4 12.4 12.1 11.8 11.8 DIR A ns tPZL(1) 7.4 12.4 12.1 11.8 11.8 tPZH(1) 6.7 13.9 11.6 9.1 7.8 DIR B ns tPZL(1) 6.7 13.9 11.6 9.1 7.8 (1) The enable time is a calculated value, derived using the formula shown in the enable times section. 6 |
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