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SN74ALS193AN 数据表(PDF) 5 Page - Texas Instruments |
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SN74ALS193AN 数据表(HTML) 5 Page - Texas Instruments |
5 / 15 page SN54ALS193A, SN74ALS193A SYNCHRONOUS 4BIT UP/DOWN BINARY COUNTERS WITH DUAL CLOCK AND CLEAR SDAS211C − DECEMBER 1982 − REVISED JULY 1996 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54ALS193A −55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ALS193A 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. recommended operating conditions SN54ALS193A SN74ALS193A 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 0.7 0.8 V IOH High-level output current − 0.4 − 0.4 mA IOL Low-level output current 4 8 mA fclock Clock frequency 0 20 0 30 MHz CLR high 10 10 tw Pulse duration LOAD low 25 20 ns tw Pulse duration UP or DOWN high or low 30 16.5 ns Data before LOAD ↑ 25 20 tsu Setup time CLR inactive before UP or DOWN 20 20 ns tsu Setup time LOAD inactive before UP or DOWN 20 20 ns Data after LOAD ↑ 5 5 th Hold time UP high after DOWN ↑ 5 0 ns th Hold time DOWN high after UP ↑ 5 0 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 SN54ALS193A SN74ALS193A UNIT PARAMETER TEST CONDITIONS MIN TYP‡ MAX MIN TYP‡ MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.5 − 1.5 V VOH VCC = 4.5 V to 5.5 V, IOH = − 0.4 mA VCC −2 VCC −2 V VOL VCC = 4.5 V IOL = 4 mA 0.25 0.4 0.25 0.4 V VOL VCC = 4.5 V IOL = 8 mA 0.35 0.5 V II VCC = 5.5 V, VI = 7 V 0.1 0.35 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL UP or DOWN VCC = 5.5 V, VI = 0.4 V − 0.2 − 0.2 mA IIL All others VCC = 5.5 V, VI = 0.4 V − 0.1 − 0.1 mA IO§ VCC = 5.5 V, VO = 2.25 V −20 −112 −30 −112 mA ICC VCC = 5.5 V, See Note 1 12 22 12 22 mA ‡ 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. NOTE 1: ICC is measured with the clear and load inputs grounded and all other inputs at 4.5 V. |
类似零件编号 - SN74ALS193AN |
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类似说明 - SN74ALS193AN |
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