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SN54ALS165 Datasheet(PDF) 4 Page - Texas Instruments |
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SN54ALS165 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 14 page SN54ALS165, SN74ALS165 PARALLELLOAD 8BIT REGISTERS SDAS157B − JUNE 1982 − REVISED DECEMBER 1994 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 recommended operating conditions SN54ALS165 SN74ALS165 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 35 0 45 MHz tw(CLK) Pulse duration, CLK (see Figure 1) CLK high 14 11 ns tw(CLK) Pulse duration, CLK (see Figure 1) CLK low 14 11 ns tw(load) Pulse duration, SH/LD low CLK low 15 12 ns tsu1 Setup time, clock enable (see Figure 1) 15 11 ns tsu2 Setup time, parallel input (see Figure 1) 11 10 ns tsu3 Setup time, serial input (see Figure 2) 11 10 ns tsu4 Setup time, shift (see Figure 2) 15 10 ns th Hold time at any input 4 4 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 SN54ALS165 SN74ALS165 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 − 0.1 − 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 24 12 24 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: With the outputs open, CLK INH and CLK at 4.5 V, and a clock pulse applied to SH/LD, ICC is measured first with the parallel inputs at 4.5 V, then with the parallel inputs grounded. |
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