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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SN74ALS873BNT 데이터시트(PDF) 4 Page - Texas Instruments |
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SN74ALS873BNT 데이터시트(HTML) 4 Page - Texas Instruments |
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4 / 8 page  SN54ALS873B, SN54AS873A, SN74ALS873B, SN74AS873A DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS SDAS036D – APRIL 1982 – REVISED AUGUST 1995 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = MIN to MAX† UNIT SN54ALS873B SN74ALS873B MIN MAX MIN MAX tPLH D Q 2 23 2 14 ns tPHL D Q 2 17 2 14 ns tPLH LE Q 8 31 8 22 ns tPHL LE Q 8 26 8 21 ns tPHL CLR Q 6 27 6 20 ns tPZH OE Q 4 24 4 18 ns tPZL OE Q 4 23 4 18 ns tPHZ OE Q 2 12 2 10 ns tPLZ OE Q 2 30 2 15 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡ Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage applied to a disabled 3-state output 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54AS873A – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74AS873A 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range – 65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. recommended operating conditions SN54AS873A SN74AS873A 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 0.8 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 |
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