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SN74ALS873BDWR 数据表(PDF) 5 Page - Texas Instruments |
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SN74ALS873BDWR 数据表(HTML) 5 Page - Texas Instruments |
5 / 9 page SN54ALS873B, SN54AS873A, SN74ALS873B, SN74AS873A DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS SDAS036D – APRIL 1982 – REVISED AUGUST 1995 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54AS873A SN74AS873A 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 0.25 0.5 V VOL VCC = 4.5 V IOL = 48 mA 0.35 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 VCC = 5.5 V, VI = 0.4 V – 0.5 – 0.5 mA IO‡ VCC = 5.5 V, VO = 2.25 V –30 –112 –30 –112 mA Outputs high 68 110 68 110 ICC VCC = 5.5 V Outputs low 67 109 67 109 mA Outputs disabled 80 129 80 129 † 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 ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN54AS873A SN74AS873A UNIT MIN MAX MIN MAX UNIT t * Pulse duration CLR low 5 5 ns tw* Pulse duration LE high 6 5 ns tsu* Setup time, data before LE ↓ 2 2 ns th* Hold time, data after LE ↓ 4.5 4.5 ns * On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested. |
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类似说明 - SN74ALS873BDWR |
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