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SN74ALS161B 数据表(PDF) 11 Page - Texas Instruments |
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SN74ALS161B 数据表(HTML) 11 Page - Texas Instruments |
11 / 14 page SN54ALS161B, SN54ALS162B, SN54ALS163B, SN54AS161, SN54AS163 SN74ALS161B, SN74ALS163B, SN74AS161, SN74AS163 SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS SDAS276 – DECEMBER 1994 11 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 (INPUT) (OUTPUT) SN54AS163 SN74AS163 MIN MAX MIN MAX fmax* 65 75 MHz tPLH RCO (with LOAD high) 1 8.5 1 8 tPLH CLK RCO (with LOAD low) 3 17.5 3 16.5 ns tPHL RCO 2 14 2 12.5 tPLH CLK Any Q 1 7.5 1 7 ns tPHL CLK Any Q 2 14 2 13 ns tPLH ENT RCO 1.5 10 1.5 9 ns tPHL ENT RCO 1 9.5 1 8.5 ns * On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested. † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
类似零件编号 - SN74ALS161B |
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类似说明 - SN74ALS161B |
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