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SN74ALS880A датащи(PDF) 5 Page - Texas Instruments |
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SN74ALS880A датащи(HTML) 5 Page - Texas Instruments |
5 / 7 page SN54AS880, SN74AS880 DUAL 4BIT DTYPE LATCHES WITH 3STATE OUTPUTS SDAS079A − D2661, DECEMBER 1982 − REVISED MAY 1986 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 5 recommended operating conditions SN54AS880 SN74AS880 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IOH High-level output current −12 −15 mA IOL Low-level output current 32 48 mA tw Pulse duration PRE low 4.5 3.5 ns tw Pulse duration C high 4 2.5 ns tsu Setup time, data before C ↓ 2 2 ns th Hold time, data after C ↓ 1 1 ns TA Operating free-air temperature −55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54AS880 SN74AS880 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.2 − 1.2 V VCC = 4.5 V to 5.5 V, IOH = − 2 mA VCC −2 VCC −2 VOH VCC = 4.5 V, IOH = − 12 mA 2.4 3.2 V VCC = 4.5 V, IOH = − 15 mA 2.4 3.3 VOL VCC = 4.5 V, IOL = 32 mA 0.30 0.5 V VOL VCC = 4.5 V, IOL = 48 mA 0.35 0.5 V IOZH VCC = 5.5 V, VO = 2.7 V 50 50 µA IOZL VCC = 5.5 V, VO = 0.4 V −50 −50 µA II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.4 V − 0.5 − 0.5 mA IO‡ VCC = 5.5 V, VO = 2.25 V −30 −112 −30 −112 mA Outputs high 73 118 73 118 ICC VCC = 5.5 V Outputs low 76 122 76 122 mA Outputs disabled 86 137 86 137 † All typical values are at VCC = 5 V, TA = 25°C. ‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. |
Аналогичный номер детали - SN74ALS880A |
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Аналогичное описание - SN74ALS880A |
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