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SN74ALS374ADWG4 데이터시트(PDF) 4 Page - Texas Instruments |
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SN74ALS374ADWG4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 21 page SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374 OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN54AS374 SN74AS374 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 –12 –15 mA IOL Low-level output current 32 48 mA 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 SN54AS374 SN74AS374 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 5V IOH = –12 mA 2.4 3.2 V VCC = 4.5 V IOH = –15 mA 2.4 3.3 VOL VCC =4 5V IOL = 32 mA 0.29 0.5 V VOL VCC = 4.5 V IOL = 48 mA 0.34 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 OE, CLK VCC =5 5V VI =0 4V –0.5 –0.5 mA IIL Data VCC = 5.5 V, VI = 0.4 V –3 –2 mA IO‡ VCC = 5.5 V, VO = 2.25 V –30 –112 –30 –112 mA Outputs high 77 120 77 120 ICC VCC = 5.5 V Outputs low 84 128 84 128 mA Outputs disabled 84 128 84 128 † 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. timing requirements over recommended operating free-air temperature range (unless otherwise noted) SN54AS374 SN74AS374 UNIT MIN MAX MIN MAX UNIT fclock Clock frequency 100* 125 MHz t Pulse duration CLK high 5.5* 4 ns tw Pulse duration CLK low 3* 3 ns tsu Setup time Data before CLK ↑ 3* 2 ns th Hold time Data after CLK ↑ 3* 2 ns * On products compliant to MIL-PRF-38535, this parameter is not production tested. |
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