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SN74LV245DBLE Datasheet(PDF) 2 Page - Texas Instruments |
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SN74LV245DBLE Datasheet(HTML) 2 Page - Texas Instruments |
2 / 7 page SN54LV245, SN74LV245 OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCLS075E − JANUARY 1991 − REVISED APRIL 1996 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 logic symbol† logic diagram (positive logic) A5 6 A6 7 A7 8 A8 9 A2 3 A3 4 A4 5 OE A1 2 G3 19 3EN2[AB] B5 14 B6 13 B7 12 B8 11 B1 18 B2 17 B3 16 B4 15 3EN1[BA] 1 DIR DIR OE A1 B1 1 2 18 19 To Seven Other Channels 1 2 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for DB, DW, J, PW, and W packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage range, VCC −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI: Except I/O ports (see Note 1) −0.5 V to VCC + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . I/O ports (see Notes 1 and 2) −0.5 V to VCC + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range, VO (see Notes 1 and 2) −0.5 V to VCC + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0 or VI > VCC) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±35 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±70 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum power dissipation at TA = 55°C (in still air) (see Note 3): DB package 0.6 W . . . . . . . . . . . . . . . . . . DW package 1.6 W . . . . . . . . . . . . . . . . . PW package 0.7 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 and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. This value is limited to 7 V maximum. 3. The maximum package power dissipation is calculated using a junction temperature of 150 °C and a board trace length of 750 mils. |
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