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ST2378ETTR Folha de dados(PDF) 7 Page - STMicroelectronics |
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ST2378ETTR Folha de dados(HTML) 7 Page - STMicroelectronics |
7 / 14 page ST2378E 7/14 AC ELECTRICAL CHARACTERISTICS - OPEN-DRAIN DRIVING 1) Typical values are referred to TA=25°C 2) Power Supply Range: VL,VCC 1.8V±5%, 2.5±0.2V, 3.3±0.3V, 5.0±0.5V. 3) Rise Time:10% to 90%, Fall Time 90% to 10% 4) tpd: 50% to 50% 5) For normal operation, ensure VL<(VCC + 0.3V). During power-up, VL >(VCC + 0.3V) will not damage the device 6) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switching in the same direction, either HIGH or LOW (tOSLH =| tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn| 7) Each translator equally loaded; parameter guaranteed by design Symbol Parameter Test Condition(5) Value Unit CL=15pF Driver output RT ≤ 50Ω -40 to +85 °C VL (V) (2) VCC (V) (2) Min. Typ.(1) Max. tRVCC Rise Time I/OVCC (3) 1.8 1.8 210 300 ns 1.8 5.0 59 150 tFVCC Fall Time I/OVCC (3) 1.8 1.8 12 30 ns 1.8 5.0 20 30 tRVL Rise Time I/OVL (3) 1.8 1.8 210 300 ns 1.8 5.0 96 150 tFVL Fall Time I/OVL (3) 1.8 1.8 11 30 ns 1.8 5.0 11 30 tIOVL-VCC Propagation Delay Time(4) I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL tPLH 1.8 1.8 210 300 ns 1.8 5.0 100 150 tPHL 1.8 1.8 7 20 1.8 5.0 14 20 tIOVCC-VL Propagation Delay Time(4) I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL tPLH 1.8 1.8 210 300 ns 1.8 5.0 57 150 tPHL 1.8 1.8 7 20 1.8 5.0 8 20 DR Maximum Data Rate 1.8 1.8 800 Kbps 1.8 5.0 800 tOSLH tOSHL Channel to Channel Skew Time (note 6, 7) 1.8 1.8 10 20 ns 1.8 5.0 2 10 ns |
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