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SN74AS181A Folha de dados(PDF) 5 Page - Texas Instruments |
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SN74AS181A Folha de dados(HTML) 5 Page - Texas Instruments |
5 / 17 page SN54AS181B, SN74AS181A ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS SDAS209B – DECEMBER 1982 – REVISED DECEMBER 1994 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 signal designations In Figures 1 and 2, the polarity indicators ( ) indicate that the associated input or output is active low with respect to the function shown inside the symbol. The symbols are the same in both figures. The signal designations in Figure 1 agree with the indicated internal functions based on active-low data and are for use with the logic functions and arithmetic operations shown in Table 1. The signal designations have been changed in Figure 2 to accommodate the logic functions and arithmetic operations for the active-high data given in Table 2. The SN54AS181B and SN74AS181A together with the ′S182 can be used with the signal designation of either Figure 1 or Figure 2. M 0 31 0 6 S0 5 S1 4 S2 3 S3 4 8 M 15 A = B 14 C1 7 17 16 9 10 11 13 P 2 Q 1 P 23 Q 22 P 21 Q 20 P 19 Q 18 ALU [1] [2] [3] [8] Cn A0 A1 A2 A3 B0 B1 B2 B3 (0 . . . 15) CP (0 . . . 15) CG 6(P=Q) (0 . . . 15) CO P G Cn + 4 F0 F1 F2 F3 SN54AS181B, SN74AS181A M 0 31 0 6 S0 5 S1 4 S2 3 S3 4 8 M 15 A = B 14 7 17 16 F0 9 F1 10 F2 11 F3 13 P 2 Q 1 P 23 Q 22 P 21 Q 20 P 19 Q 18 ALU [1] [2] [3] [8] Cn A0 A1 A2 A3 B0 B1 B2 B3 (0 . . . 15) CP (0 . . . 15) CG 6(P=Q) (0 . . . 15) CO X Y Cn + 4 SN54AS181B, SN74AS181A CP0 3 CG0 2 CPG CP1 5 CG1 4 CP2 8 CG2 7 CP3 10 CG3 9 CP4 14 CG4 13 CP5 16 CG5 15 CP6 19 CG6 18 CP7 21 CG7 20 1 6 CO1 11 CO3 17 CO5 22 CO7 Cn P0 G0 P1 G1 P2 G2 P3 G3 P4 G4 P5 G5 P6 G6 P7 G7 ′S182 Cn + 8 Cn + 16 Cn + 24 Cn + 32 C1 CP0 3 CG0 2 CPG CP1 5 X1 CG1 4 Y1 CP2 8 X2 CG2 7 Y2 CP3 10 X3 CG3 9 Y3 CP4 14 X4 CG4 13 Y4 CP5 16 X5 CG5 15 Y5 CP6 19 X6 CG6 18 Y6 CP7 21 X7 CG7 20 Y7 1 6 CO1 11 CO3 17 CO5 22 CO7 Cn X0 Y0 ′S182 Cn + 8 Cn + 16 Cn + 24 Cn + 32 Figure 1 Figure 2 (use with Table 1) (use with Table 2) |
Nº de peça semelhante - SN74AS181A |
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Descrição semelhante - SN74AS181A |
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