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ST2329B データシート(PDF) 15 Page - STMicroelectronics |
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ST2329B データシート(HTML) 15 Page - STMicroelectronics |
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15 / 23 page ![]() DocID023359 Rev 3 15/23 ST2329B Electrical characteristics Table 11. AC characteristics - test conditions: VL = 2.5 - 2.7 V (device driven by totem pole driver) Symbol Parameter VCC =2.7 - 3.6 V VCC =4.3 - 5.5V Unit Min. Max. Min. Max. tRVCC Rise time I/OVCC 6.9 4.0 ns tFVCC Fall time I/OVCC 14.8 19.1 ns tRVL Rise time I/OVL 5.3 5.6 ns tFVL Fall time I/OVL 9.8 10.0 ns tI/OVL-VCC Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL tPLH 3.2 3.1 ns tPHL 8.2 11.6 ns tI/OVCC-VL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL tPLH 2.6 2.2 ns tPHL 5.3 5.9 ns tPZL tPLZ Output enable and disable time En 8 12 ns Dis 40 40 ns DR Data rate(1) 9 6.8 MHz 1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%. Table 12. AC characteristics - test conditions: VL = 2.7 - 3.6 V (device driven by totem pole driver) Symbol Parameter VCC =4.3 - 5.5V Unit Min. Max. tRVCC Rise time I/OVCC 4.3 ns tFVCC Fall time I/OVCC 17.2 ns tRVL Rise time I/OVL 4.5 ns tFVL Fall time I/OVL 9.7 ns tI/OVL-VCC Propagation delay time I/OVL-LH to I/OVCC-LH I/OVL-HL to I/OVCC-HL tPLH 2.7 ns tPHL 10.6 ns tI/OVCC-VL Propagation delay time I/OVCC-LH to I/OVL-LH I/OVCC-HL to I/OVL-HL tPLH 1.9 ns tPHL 4.8 ns tPZL tPLZ Output enable and disable time En 7ns Dis 40 ns DR Data rate(1) 7.2 MHz 1. The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%. |
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