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SN74AS161D датащи(PDF) 9 Page - Texas Instruments |
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SN74AS161D датащи(HTML) 9 Page - Texas Instruments |
9 / 14 page SN54ALS161B, SN54ALS162B, SN54ALS163B, SN54AS161, SN54AS163 SN74ALS161B, SN74ALS163B, SN74AS161, SN74AS163 SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS SDAS276 – DECEMBER 1994 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Figure 3) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX† UNIT PARAMETER (INPUT) (OUTPUT) SN54ALS162B SN54ALS163B SN74ALS163B UNIT MIN MAX MIN MAX fmax 35 40 MHz tPLH CLK RCO 5 25 5 20 ns tPHL CLK RCO 5 25 5 20 ns tPLH CLK Any Q 4 18 4 15 ns tPHL CLK Any Q 6 25 6 20 ns tPLH ENT RCO 3 16 3 13 ns tPHL ENT RCO 3 16 3 13 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54AS161, SN54AS163 – 55 °C to 125°C . . . . . . . . . . . . . . . . . . SN74AS161, SN74AS163 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 SN54AS161 SN54AS163 SN74AS161 SN74AS163 UNIT MIN NOM MAX MIN NOM MAX 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 –2 –2 mA IOL Low-level output current 20 20 mA fclock* Clock frequency 0 65 0 75 MHz t * Pulse duration CLR high or low 7.7 6.7 ns tw* Pulse duration ′AS161 CLR low 10 8 ns A, B, C, D 10 8 LOAD 10 8 t * Setup time ENP, ENT 10 8 ns tsu* before CLK ↑ ′AS161 CLR inactive 10 8 ns ′AS163 CLR low 14 12 ′AS163 CLR high (inactive) 10 9 th* Hold time, all synchronous inputs after CLK ↑ 2 0 ns TA Operating free-air temperature –55 125 0 70 °C * On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested. |
Аналогичный номер детали - SN74AS161D |
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Аналогичное описание - SN74AS161D |
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