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TSB12LV21B Fiches technique(PDF) 11 Page - Texas Instruments |
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TSB12LV21B Fiches technique(HTML) 11 Page - Texas Instruments |
11 / 22 page TSB12LV21B (PCILynx-2) IEEE 1394 LINK LAYER CONTROLLER SLLS306– JULY 1998 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating temperature ranges (unless otherwise noted)† Supply voltage range, VCC –0.5 V to 4 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCCP –0.5 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC5V –0.5 V to 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range for Universal PCI, VI: PCI –0.5 V to VCCP + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range for 5-V tolerant TTL/LVCMOS, VI: –0.5 V to VCC5V + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range for Universal PCI, VO –0.5 V to VCCP + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range for 5-V tolerant TTL/LVCMOS, VO –0.5 V to VCC5V + 0.5 V . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 2) ± 20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 3) ± 20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. Applies to external input and bidirectional buffers. For 5-V tolerant buffers, use VI > VCC5V. For Universal PCI, use VI > VCCP. 2. Applies to external output and bidirectional buffers. For 5-V tolerant buffers, use VO > VCC5V. For Universal PCI, use VO > VCCP. recommended operating conditions (see Note 3) OPERATION MIN NOM MAX UNIT Core voltage, VCC Commercial 3.3 3 3.3 3.6 V I/O voltage, VCCP Commercial 5 3 5 5.5 V I/O voltage, VCC5V Commercial 5 3 5 5.5 V High-level Input voltage, VIH† 2 V Low-level Input voltage, VIL† 0.8 V Input voltage V Universal PCI 0 VCCP V Input voltage, VI 5-V tolerant 0 VCC5V V Output voltage, VO‡ 0 VCC V Input transition times (tr and tf), tt 0 6 ns Operating ambient temperature range, TA 0 25 70 °C Virtual junction temperature, TJ§ 0 25 115 °C † Applies for external input and bidirectional buffers without hysteresis. ‡ Applies for external output buffers. § These junction temperatures reflect simulation conditions. Customer is responsible for verifying junction temperature. NOTE 3: Unused or floating pins (input or I/O) must be held high or low. |
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