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SN74ALS641AN データシート(PDF) 4 Page - Texas Instruments |
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SN74ALS641AN データシート(HTML) 4 Page - Texas Instruments |
4 / 18 page SN74ALS641A, SN74ALS642A, SN74AS641 OCTAL BUS TRANSCEIVERS WITH OPENCOLLECTOR OUTPUTS SDAS300 − MARCH 1995 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN74ALS641A SN74ALS642A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.5 V IOH VCC = 4.5 V, VOH = 5.5 V 0.1 mA IOL = 12 mA 0.25 0.4 VOL VCC = 4.5 V IOL = 24 mA 0.35 0.5 V VOL VCC = 4.5 V IOL = 48 mA‡ 0.35 0.5 V II Control inputs VCC = 5.5 V, VI = 7 V 0.1 mA IIH Control inputs VCC = 5.5 V, VI = 2.7 V 20 A IIH A or B ports§ VCC = 5.5 V, VI = 2.7 V 20 µA IIL Control inputs VCC = 5.5 V, VI = 0.4 V − 0.1 mA IIL A or B ports§ VCC = 5.5 V, VI = 0.4 V − 0.1 mA SN74ALS641A VCC = 5.5 V Outputs high 25 37 ICC SN74ALS641A VCC = 5.5 V Outputs low 33 47 mA ICC SN74ALS642A VCC = 5.5 V Outputs high 8 15 mA SN74ALS642A VCC = 5.5 V Outputs low 18 28 † All typical values are at VCC = 5 V, TA = 25°C. ‡ Applies only to the -1 version and only if VCC is between 4.75 V and 5.25 V § For I/O ports, the parameters IIH and IIL include the off-state output current. switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 680 Ω, TA = MIN to MAX¶ UNIT PARAMETER (INPUT) (OUTPUT) SN74ALS641A SN74ALS642A UNIT MIN MAX MIN MAX tPLH A or B B or A 5 25 10 30 ns tPHL A or B B or A 3 18 5 22 ns tPLH OE A or B 8 30 10 30 ns tPHL OE A or B 8 30 15 38 ns tPLH DIR A or B 8 32 10 30 ns tPHL DIR A or B 8 32 15 38 ns ¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
同様の部品番号 - SN74ALS641AN |
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同様の説明 - SN74ALS641AN |
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