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SN74AVC2T45DCTT 数据表(PDF) 8 Page - Texas Instruments |
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SN74AVC2T45DCTT 数据表(HTML) 8 Page - Texas Instruments |
8 / 29 page SN74AVC2T45 SCES531K – DECEMBER 2003 – REVISED APRIL 2015 www.ti.com 6.8 Switching Characteristics: VCCA = 1.8 V ±0.15 V over recommended operating free-air temperature range, VCCA = 1.8 V ± 0.15 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 (1) 2.7 0.5 5.2 0.4 4.3 0.2 3.4 0.2 3.1 A B ns tPHL (1) 2.7 0.5 5.2 0.4 4.3 0.2 3.4 0.2 3.1 tPLH (1) 2.4 0.7 4.7 0.5 4.4 0.5 4 0.4 3.8 B A ns tPHL (1) 2.4 0.7 4.7 0.5 4.4 0.5 4 0.4 3.8 tPHZ (1) 3.7 1.3 8.1 0.7 6.9 1.4 5.3 1.1 5.2 DIR A ns tPLZ (1) 3.7 1.3 8.1 0.7 6.9 1.4 5.3 1.1 5.2 tPHZ (1) 4.4 1.3 5.8 1.3 5.9 0.8 5.7 1.5 5.9 DIR B ns tPLZ (1) 4.4 1.3 5.8 1.3 5.9 0.8 5.7 1.5 5.9 tPZH (1) (2) 6.8 10.5 10.3 9.7 9.7 DIR A ns tPZL (1) (2) 6.8 10.5 10.3 9.7 9.7 tPZH (1) (2) 6.4 13.3 11.2 8.7 8.3 DIR B ns tPZL (1) (2) 6.4 13.3 11.2 8.7 8.3 (1) tPLH: Low-to-high Propagation Delay; tPHL: High-to-Low Propagation Delay; tPHZ: High-to-Hi-Z Propagation Delay; tPLZ: Low-to-Hi-Z Propagation Delay; tPZH: Hi-Z-to-High Propagation Delay; tPZL: Hi-Z-to-Low Propagation Delay (2) The enable time is a calculated value, derived using the formula shown in the Enable Times section. 6.9 Switching Characteristics: VCCA = 2.5 V ±0.2 V over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 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 (1) 2.6 0.4 4.9 0.2 4 0.2 3 0.2 2.6 A B ns tPHL (1) 2.6 0.4 4.9 0.2 4 0.2 3 0.2 2.6 tPLH (1) 2.1 0.6 3.8 0.5 3.4 0.4 3 0.3 2.8 B A ns tPHL (1) 2.1 0.6 3.8 0.5 3.4 0.4 3 0.3 2.8 tPHZ (1) 2.4 0.7 7.9 0.8 6.4 0.8 5 0.5 4.3 DIR A ns tPLZ (1) 2.4 0.7 7.9 0.8 6.4 0.8 5 0.5 4.3 tPHZ (1) 3.8 1 4.3 0.6 4.3 0.5 4.2 1.1 4.1 DIR B ns tPLZ (1) 3.8 1 4.3 0.6 4.3 0.5 4.2 1.1 4.1 tPZH (1) (2) 5.9 8.5 7.7 7.2 6.9 DIR A ns tPZL (1) (2) 5.9 8.5 7.7 7.2 6.9 tPZH (1) (2) 5 12.8 10.4 8 6.9 DIR B ns tPZL (1) (2) 5 12.8 10.4 8 6.9 (1) tPLH: Low-to-high Propagation Delay; tPHL: High-to-Low Propagation Delay; tPHZ: High-to-Hi-Z Propagation Delay; tPLZ: Low-to-Hi-Z Propagation Delay; tPZH: Hi-Z-to-High Propagation Delay; tPZL: Hi-Z-to-Low Propagation Delay (2) The enable time is a calculated value, derived using the formula shown in the Enable Times section. 8 Submit Documentation Feedback Copyright © 2003–2015, Texas Instruments Incorporated Product Folder Links: SN74AVC2T45 |
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