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SN74173 bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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SN74173 bảng dữ liệu(HTML) 5 Page - Texas Instruments |
5 / 19 page SN54173, SN54LS173A, SN74173, SN74LS173A 4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS SDLS067A – OCTOBER 1976 – REVISED JUNE 1999 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54173 SN74173 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.75 5 5.25 V IOH High-level output current –2 –5.2 mA IOL Low-level output current 16 16 mA TA Operating free-air temperature –55 125 0 70 °C NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS† SN54173 SN74173 UNIT PARAMETER TEST CONDITIONS† MIN TYP‡ MAX MIN TYP‡ MAX UNIT VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VIK Input clamp voltage VCC = MIN, II = –12 mA –1.5 –1.5 V VOH High-level output voltage VCC = MIN, VIL = 0.8 V, VIH = 2 V, IOH = MAX 2.4 2.4 V VOL Low-level output voltage VCC = MIN, VIL = 0.8 V, VIH = 2 V, IOL = 16 mA 0.4 0.4 V IO( ff) Off-state (high-impedance state) VCC = MAX, VO = 2.4 V 150 40 µA IO(off) (g ) output current CC , VIH = 2 V VO = 0.4 V –150 –40 µA II Input current at maximum input voltage VCC = MAX, VI = 5.5 V 1 1 mA IIH High-level input current VCC = MAX, VI = 2.4 V 40 40 µA IIL Low-level input current VCC = MAX, VI = 0.4 V –1.6 –1.6 mA IOS Short-circuit output current§ VCC = MAX –30 –70 –30 –70 mA ICC Supply current VCC = MAX, See Note 4 50 72 50 72 mA † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values are at VCC = 5 V, TA = 25°C. § Not more than one output should be shorted at a time. NOTE 4: ICC is measured with all outputs open; CLR grounded, following momentary connection to 4.5 V, N, G1, G2, and all data inputs grounded; and CLK and M at 4.5 V. timing requirements over recommended operating conditions (unless otherwise noted) SN54173 SN74173 UNIT MIN MAX MIN MAX UNIT fclock Input clock frequency 25 25 MHz tw Pulse duration CLK or CLR 20 20 ns Data enable (G1, G2) 17 17 tsu Setup time Data 10 10 ns CLR (inactive state) 10 10 th Hold time Data enable (G1, G2) 2 2 ns th Hold time Data 10 10 ns |
Số phần tương tự - SN74173 |
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Mô tả tương tự - SN74173 |
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