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SN74ALVCH244NS 数据表(PDF) 2 Page - Texas Instruments |
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SN74ALVCH244NS 数据表(HTML) 2 Page - Texas Instruments |
2 / 9 page SN74ALVCH244 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES112C – JULY 1997 – REVISED FEBRUARY 1999 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic symbol† 2 1A1 4 1A2 6 1A3 8 1A4 EN 1 1Y1 18 1Y2 16 1Y3 14 1Y4 12 11 2A1 13 2A2 15 2A3 17 2A4 EN 19 2Y1 9 2Y2 7 2Y3 5 2Y4 3 1OE 2OE † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. logic diagram (positive logic) 1 218 1Y1 1OE 1A1 416 1Y2 1A2 614 1Y3 1A3 812 1Y4 1A4 19 11 9 2Y1 2OE 2A1 13 7 2Y2 2A2 15 5 2Y3 2A3 17 3 2Y4 2A4 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage range, VCC –0.5 V to 4.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI (see Note 1) –0.5 V to 4.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range, VO (see Notes 1 and 2) –0.5 V to VCC + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) –50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0) –50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±100 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 3): DGV package 146 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DW package 97 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NS package 100 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 128 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ‡ 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. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. This value is limited to 4.6 V maximum. 3. The package thermal impedance is calculated in accordance with JESD 51. |
类似零件编号 - SN74ALVCH244NS |
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类似说明 - SN74ALVCH244NS |
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