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SN74ALS374ADBRE4 数据表(PDF) 3 Page - Texas Instruments |
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SN74ALS374ADBRE4 数据表(HTML) 3 Page - Texas Instruments |
3 / 20 page SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374 OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54ALS374A SN74ALS374A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.5 –1.5 V VCC = 4.5 V to 5.5 V, IOH = –0.4 mA VCC–2 VCC–2 VOH VCC =4 5V IOH = –1 mA 2.4 3.3 V VCC = 4.5 V IOH = –2.6 mA 2.4 3.2 VOL VCC =4 5V IOL = 12 mA 0.25 0.4 0.25 0.4 V VOL VCC = 4.5 V IOL = 24 mA 0.35 0.5 V IOZH VCC = 5.5 V, VO = 2.7 V 20 20 µA IOZL VCC = 5.5 V, VO = 0.4 V –20 –20 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 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 Outputs high 11 20 11 19 ICC VCC = 5.5 V Outputs low 19 28 19 28 mA Outputs disabled 20 31 20 31 † 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) SN54ALS374A SN74ALS374A UNIT MIN MAX MIN MAX UNIT fclock Clock frequency 30 35 MHz tw Pulse duration CLK high or low 16.5 14 ns tsu Setup time Data before CLK ↑ 10 10 ns th Hold time Data after CLK ↑ 4 0 ns switching characteristics over recommended operating conditions (unless otherwise noted (see Figure 3) PARAMETER FROM TO SN54ALS374A SN74ALS374A UNIT PARAMETER (INPUT) (OUTPUT) MIN MAX MIN MAX UNIT fmax 30 35 MHz tPLH CLK Q 3 14 3 12 ns tPHL CLK Q 5 17 5 16 ns tPZH OE Q 3 18 3 17 ns tPZL OE Q 5 21 5 18 ns tPHZ OE Q 1 11 1 10 ns tPLZ OE Q 2 19 2 18 ns |
类似零件编号 - SN74ALS374ADBRE4 |
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类似说明 - SN74ALS374ADBRE4 |
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