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PCI2050 bảng dữ liệu(PDF) 72 Page - Texas Instruments |
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PCI2050 bảng dữ liệu(HTML) 72 Page - Texas Instruments |
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72 / 81 page ![]() 6–2 6.2 Recommended Operating Conditions (see Note 3) OPERATION MIN NOM MAX UNIT VCC Supply voltage (core) Commercial 3.3 V 3 3.3 3.6 V PV PCI primary bus I/O clamping rail voltage Commercial 3.3 V 3 3.3 3.6 V P_VCCP PCI primary bus I/O clamping rail voltage Commercial 5 V 4.75 5 5.25 V SV PCI secondary bus I/O clamping rail voltage Commercial 3.3 V 3 3.3 3.6 V S_VCCP PCI secondary bus I/O clamping rail voltage Commercial 5 V 4.75 5 5.25 V V † High le el inp t oltage PCI 3.3 V 0.5 VCCP VCCP V VIH† High-level input voltage PCI 5 V 2 VCCP V V † High level input voltage PCI 3.3 V 0 0.3 VCCP V VIL† High-level input voltage PCI 5 V 0 0.8 V VI Input voltage PCI 0 VCCP V V § Output voltage 3.3 V 0 VCC V VO§ Output voltage 5 V 0 VCC V tt Input transition time (tr and tf) PCI 1 4 nS TA Operating ambient temperature range 3.3 V 0 25 70 °C TJ¶ Virtual junction temperature 5 V 0 25 115 °C NOTES: 3. Unused or floating pins (input or I/O) must be held high or low. † Applies for external input and bidirectional buffers without hysteresis § Applies for external output buffers ¶ These junction temperatures reflect simulation conditions. The customer is responsible for verifying junction temperature. 6.3 Recommended Operating Conditions for PCI Interface OPERATION MIN NOM MAX UNIT VCC Core voltage Commercial 3.3 V 3 3.3 3.6 V PV PCI supply voltage Commercial 3.3 V 3 3.3 3.6 V P_VCCP PCI supply voltage Commercial 5 V 4.75 5 5.25 V SV PCI supply voltage Commercial 3.3 V 3 3.3 3.6 V S_VCCP PCI supply voltage Commercial 5 V 4.75 5 5.25 V V Input voltage 3.3 V 0 VCCP V VI Input voltage 5 V 0 VCCP V V † Output voltage 3.3 V 0 VCCP V VO† Output voltage 5 V 0 VCCP V V ‡ High le el inp t oltage CMOS compatible 3.3 V 0.5 VCCP V VIH‡ High-level input voltage CMOS compatible 5 V 2 V V ‡ Low level input voltage CMOS compatible 3.3 V 0.3 VCCP V VIL‡ Low-level input voltage CMOS compatible 5 V 0.8 V † Applies to external output buffers ‡ Applies to external input and bidirectional buffers without hysteresis |
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