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SN74HCT623DW Datasheet(PDF) 3 Page - Texas Instruments |
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SN74HCT623DW Datasheet(HTML) 3 Page - Texas Instruments |
3 / 8 page SN54HCT623, SN74HCT623 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCLS016C – MARCH 1984 – REVISED MARCH 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54HCT623 SN74HCT623 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 VCC = 4.5 V to 5.5 V 2 2 V VIL Low-level input voltage VCC = 4.5 V to 5.5 V 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V tt Input transition (rise and fall) time 500 500 ns TA Operating free-air temperature –55 125 –40 85 °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 VCC TA = 25°C SN54HCT623 SN74HCT623 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VOH VI =VIH or VIL IOH = –20 µA 45 V 4.4 4.499 4.4 4.4 V VOH VI = VIH or VIL IOH = –6 mA 4.5 V 3.98 4.3 3.7 3.84 V VOL VI =VIH or VIL IOL = 20 µA 45 V 0.001 0.1 0.1 0.1 V VOL VI = VIH or VIL IOL = 6 mA 4.5 V 0.17 0.26 0.4 0.33 V II OEAB or OEBA VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 ±1000 nA IOZ A or B VO = VCC or GND 5.5 V ±0.01 ±0.5 ±10 ±5 µA ICC VI = VCC or 0, IO = 0 5.5 V 8 160 80 µA ∆ICC† One input at 0.5 V or 2.4 V, Other inputs at 0 or VCC 5.5 V 1.4 2.4 3 2.9 mA Ci OEAB or OEBA 4.5 V to 5.5 V 3 10 10 10 pF † This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HCT623 SN74HCT623 UNIT PARAMETER (INPUT) (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT t d AorB BorA 4.5 V 15 22 33 28 ns tpd A or B B or A 5.5 V 13 20 30 25 ns t OEBA A 4.5 V 30 42 63 53 ns ten OEBA A 5.5 V 23 38 57 48 ns tdi OEBA A 4.5 V 18 30 45 38 ns tdis OEBA A 5.5 V 16 28 42 35 ns t OEAB B 4.5 V 30 42 63 53 ns ten OEAB B 5.5 V 23 38 57 48 ns tdi OEAB B 4.5 V 18 30 45 38 ns tdis OEAB B 5.5 V 16 28 42 35 ns tt AorB 4.5 V 9 12 18 15 ns tt A or B 5.5 V 8 11 16 14 ns PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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