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SN74ALS169BDRG4 Datasheet(PDF) 5 Page - Texas Instruments |
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SN74ALS169BDRG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 20 page SN54ALS169B, SN54AS169A, SN74ALS169B, SN74AS169A SYNCHRONOUS 4BIT UP/DOWN BINARY COUNTERS SDAS125B − MARCH 1984 − REVISED DECEMBER 1994 2−5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 recommended operating conditions SN54ALS169B SN74ALS169B 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 22 0 40 MHz tw Pulse duration, CLK high or low 14 12.5 ns A, B, C, or D 20 15 tsu Setup time before CLK ↑ ENP or ENT 25 15 ns tsu Setup time before CLK ↑ LOAD 20 15 ns U/D 28 15 th Hold time, data after CLK ↑ 0 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 SN54ALS169B SN74ALS169B 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 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.4 V − 0.2 − 0.2 mA IO‡ VCC = 5.5 V, VO = 2.25 V −20 −112 −30 −112 mA ICC VCC = 5.5 V 15 25 15 25 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. |
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