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TNETA1575 数据表(PDF) 21 Page - Texas Instruments |
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TNETA1575 数据表(HTML) 21 Page - Texas Instruments |
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21 / 45 page ![]() TNETA1575 ATM SEGMENTATION AND REASSEMBLY DEVICE WITH PCI-HOST AND COPROCESSOR INTERFACES SDNS040C – MAY 1996 – REVISED JUNE 1998 21 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage Commercial 3 3.3 3.6 V VCC(5V) Supply voltage, 5-V tolerant TTL Commercial 4.5 5 5.5 V VI Input voltage TTL, 3-V PCI 0 VCC V VI Input voltage 5-V tolerant TTL 0 VCC(5V) V VO Output voltage TTL, 3-V PCI 0 VCC V VO Output voltage 5-V tolerant TTL† 0 VCC V TTL 2 VCC VIH High-level input voltage 3-V PCI 0.475 VCC VCC V 5-V tolerant TTL 2 VCC(5V) TTL 0 0.8 VIL Low-level input voltage 3-V PCI 0 0.325 VCC V 5-V tolerant TTL 0 0.8 TA Operating free-air temperature 0 70 °C † VCC must be applied to drive the output to a high-impedance state (Z) for 5-V tolerant operation. electrical characteristics over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN MAX UNIT TTL IOH = 8 mA VCC 06 TTL IOH = 4 mA VCC–0.6 VOH High-level output voltage 5 V tolerant TTL IOH = 8 mA VCC 06 V 5-V tolerant TTL IOH = 4 mA VCC–0.6 3-V PCI IOH = 8.6 VCC (mA) 0.5 VCC TTL IOL = 8 mA 0.4 TTL IOL = 4 mA 0.4 VOL Low-level output voltage 5 V tolerant TTL IOL = 8 mA 0.4 V 5-V tolerant TTL IOL = 4 mA 0.4 3-V PCI IOL = 8 VCC (mA) 0.3 VCC TTL VI = VIH (max), See Note 4 ±1 IIH High-level input current 5-V tolerant TTL VI = VIH (min) –760 µA 3-V PCI VI = VIH (max), See Note 4 ±1 TTL ±1 IIL Low-level input current 5-V tolerant TTL VI = VIL (min), See Note 5 ±1 µA 3-V PCI () ±1 TTL ±20 IOZ High-impedance-state output current 5-V tolerant TTL ±20 µA 3-V PCI ±20 NOTES: 4. These specifications apply only when the pulldown terminator is turned off. 5. These specifications apply only when the pullup terminator is turned off. |
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