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SN74AS181A Datasheet(PDF) 9 Page - Texas Instruments |
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SN74AS181A Datasheet(HTML) 9 Page - Texas Instruments |
9 / 13 page SN54AS181B, SN74AS181A ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS SDAS209B – DECEMBER 1982 – REVISED DECEMBER 1994 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Figure 3) PARAMETER FROM (INPUT) TO (OUTPUT) TEST CONDITIONS† VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX‡ UNIT (INPUT) (OUTPUT) SN54AS181B SN74AS181A MIN MAX MIN MAX tPLH C C 3 9 2 9 ns tPHL Cn Cn + 4 2 7 2 9 ns tPLH An A or B C M = 0, S1 = S2 = 0, 2 16 2 12 ns tPHL Any A or B Cn + 4 ,, S0 = S3 = 4.5 V (SUM mode) 2 14 2 12 ns tPLH An A or B C M = 0, S1 = S3 = 0, 3 18 4 16 ns tPHL Any A or B Cn + 4 ,, S1 = S2 = 4.5 V (DIFF mode) 3 14.5 2 16 ns tPLH C An F M 0 (SUM or DIFF mode) 3 10.5 3 9 ns tPHL Cn Any F M = 0 (SUM or DIFF mode) 3 10 3 9 ns tPLH An A or B G M = 0, S1 = S2 = 0, 3 9.5 2 8 ns tPHL Any A or B G ,, S0 = S3 = 4.5 V (SUM mode) 2 7 2 7 ns tPLH An A or B G M = 0, S1 = S3 = 0, 3 12 2 9.5 ns tPHL Any A or B G ,, S1 = S2 = 4.5 V (DIFF mode) 2 9 2 9 ns tPLH An A or B P M = 0, S1 = S2 = 0, 3 9.5 2 8 ns tPHL Any A or B P ,, S0 = S3 = 4.5 V (SUM mode) 2 7.5 2 8 ns tPLH An A or B P M = 0, S1 = S3 = 0, 3 12 2 10 ns tPHL Any A or B P ,, S1 = S2 = 4.5 V (DIFF mode) 3 8.5 2 10 ns tPLH AiorBi Fi M = 0, S1 = S2 = 0, 3 11 2 9.5 ns tPHL Ai or Bi Fi ,, S0 = S3 = 4.5 V (SUM mode) 3 9 2 8 ns tPLH AiorBi Fi M = 0, S1 = S3 = 0, 3 13.5 2 10.5 ns tPHL Ai or Bi Fi ,, S1 = S2 = 4.5 V (DIFF mode) 3 11 2 10 ns tPLH AiorBi Fi M 4 5 V (LOGIC mode) 3 16 2 11 ns tPHL Ai or Bi Fi M = 4.5 V (LOGIC mode) 3 10 2 11 ns tPLH Any A or B AB M = 0, S1 = S3 = 0, 2 19 4 21 ns tPHL Any A or B A = B ,, S1 = S2 = 4.5 V (DIFF mode) 3 22 4 21 ns † Refer to the parameter measurement information tables for the SUM-, DIFF-, and LOGIC-mode test tables. ‡ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
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