The old but still much-used 4000 series logic IC's.
+---+--+---+ 1X |1 +--+ 16| VCC 1Y |2 15| 1EN 2Y |3 14| 4EN 2X |4 13| 4X2 EN |5 4316 12| 4Y3 EN |6 11| 3Y EN |7 10| 3X GND |8 9| VEE +----------+
+---+--+---+ 1X0 |1 +--+ 18| VCC 1X1 |2 17| X2 2X1 |3 16| X1 2Y |4 15| X0 2X0 |5 4351 14| X3 /EN |6 13| S0 EN |7 12| S1 VEE |8 11| S2 GND |9 10| LE +----------+
+---+ +---+ 1X0 |1 +--+ 18| VCC 1X2 |2 17| 2X2 1Y |3 16| 2X1 1X3 |4 15| 2Y 1X1 |5 4352 14| 2X0 /EN |6 13| 2X3 EN |7 12| S0 VEE |8 11| S1 GND |9 10| LE +----------+
+---+ +---+ 1X0 |1 +--+ 18| VCC 1X1 |2 17| 1Y 2X1 |3 16| 3Y 2Y |4 15| 3X1 2X0 |5 4353 14| 3X0 /EN |6 13| 3S EN |7 12| 1S VEE |8 11| 2S GND |9 10| LE +----------+
+---+ +---+ RST |1 +--+ 16| VCC WR |2 15| RR D |3 14| X0 I3 |4 13| X1 I2 |5 4500 12| JMP I1 |6 11| RTN I0 |7 10| FLG0 GND |8 9| FLGF +----------+
+---+ +---+ +---+---+---+---+ A0 |1 +--+ 16| VCC |/OE| A | B I/Y | /Y0 |2 15| A5 +===+===+===+===+ A1 |3 14| /Y5 | 1 | X | X I Z | /OE |4 13| A4 | 0 | 0 | 0 I 1 | /Y1 |5 4502 12| B | 0 | 1 | 0 I 0 | A2 |6 11| /Y4 | 0 | X | 1 I 0 | /Y2 |7 10| A3 +---+---+---+---+ GND |8 9| /Y3 +----------+
+---+ +---+ +---+---+---+ /1OE |1 +--+ 16| VCC |/OE| A I Y | 1A1 |2 15| /2OE +===+===+===+ 1Y1 |3 14| 2A2 | 1 | X I Z | 1A2 |4 13| 2Y2 | 0 | 0 I 0 | 1Y2 |5 4503 12| 2A1 | 0 | 1 I 1 | 1A3 |6 11| 2Y1 +---+---+---+ 1Y3 |7 10| 1A4 GND |8 9| 1Y4 +----------+
+-----+ +-----+ +---+---+---+---+ 1RST |1 +--+ 24| VCC |/OE| LE| D I Q | 1LE |2 23| 2Q3 +===+===+===+===+ /1OE |3 22| 2D3 | 1 | X | X I Z | 1D0 |4 21| 2Q2 | 0 | 0 | X I - | 1Q0 |5 20| 2D2 | 0 | 1 | 0 I 0 | 1D1 |6 19| 2Q1 | 0 | 1 | 1 I 1 | 1Q1 |7 4508 18| 2D1 +---+---+---+---+ 1D2 |8 17| 2Q0 1Q2 |9 16| 2D0 1D3 |10 15| /2OE 1Q3 |11 14| 2LE GND |12 13| 2RST +--------------+
+---+ +---+ LD |1 +--+ 16| VCC Q3 |2 15| CLK P3 |3 14| Q2 P0 |4 13| P2 /RCI |5 4510 12| P1 Q0 |6 11| Q1 /RCO |7 10| UP//DN GND |8 9| RST +----------+
+---+ +---+ A0 |1 +--+ 16| VCC Y = An./B A1 |2 15| /OE A2 |3 14| Y A3 |4 13| S2 A4 |5 4512 12| S1 A5 |6 11| S0 A6 |7 10| /B GND |8 9| A7 +----------+
+---+ +---+ LE |1 +--+ 24| VCC S0 |2 23| /EN S1 |3 22| S3 Y7 |4 21| S2 Y6 |5 20| Y10 Y5 |6 19| Y11 Y4 |7 4514 18| Y8 Y3 |8 17| Y9 Y2 |9 16| Y15 Y1 |10 15| Y14 Y0 |11 14| Y13 GND |12 13| Y12 +----------+
+---+ +---+ LD |1 +--+ 16| VCC Q3 |2 15| CLK P3 |3 14| Q2 P0 |4 13| P2 /RCI |5 4516 12| P1 Q0 |6 11| Q1 /RCO |7 10| UP//DN GND |8 9| RST +----------+
+---+ +---+ 1CLK |1 +--+ 16| VCC /1CLK |2 15| 2RST 1Q0 |3 14| 2Q3 1Q1 |4 13| 2Q2 1Q2 |5 4518 12| 2Q1 1Q3 |6 11| 2Q0 1RST |7 10| /2CLK GND |8 9| 2CLK +----------+
+---+ +---+ +---+---+ Q24 |1 +--+ 16| VCC | A I Y | RST |2 15| Q23 +===+===+ GND' |3 14| Q22 | 0 I 0 | Y |4 13| Q21 | 1 I 1 | VCC' |5 4521 12| Q20 +---+---+ A |6 11| Q19 X0 |7 10| Q18 GND |8 9| X1 +----------+
+---+ +---+ Q9 |1 +--+ 16| VCC D2 |2 15| D1 D3 |3 14| D0 SET9 |4 13| RST /Q |5 4527 12| CASC Q |6 11| CIN COUT |7 10| STB GND |8 9| CLK +----------+
+---+ +---+ A4 |1 +--+ 16| VCC A5 |2 15| EO A6 |3 14| GS A7 |4 13| A3 EI |5 4532 12| A2 Y2 |6 11| A1 Y1 |7 10| A0 GND |8 9| Y0 +----------+
+---+ +---+ SET |1 +--+ 16| VCC RST |2 15| MONO X1 |3 14| /XEN X0 |4 13| Q X2 |5 4536 12| S3 /DIV256 |6 11| S2 CLKEN |7 10| S1 GND |8 9| S0 +----------+
+---+ +---+ 1Cext |1 +--+ 16| VCC 1RCext |2 15| 2Cext 1RST |3 14| 2RCext 1TR |4 13| 2RST /1TR |5 4538 12| 2TR 1Q |6 11| /2TR /1Q |7 10| 2Q GND |8 9| /2Q +----------+
+---+ +---+ LE |1 +--+ 16| VCC A2 |2 15| YF A1 |3 14| YG A3 |4 13| YE A0 |5 4543 12| YD @ |6 11| YC BI |7 10| YB GND |8 9| YA +----------+
+---+ +---+ +---+---+---+---+---+---+---+ /1EN |1 +--+ 16| VCC |/EN| S1| S0I Y0| Y1| Y2| Y3| 1S0 |2 15| /2EN +===+===+===+===+===+===+===+ 1S1 |3 14| 2S0 | 1 | X | X I 0 | 0 | 0 | 0 | 1Y0 |4 13| 2S1 | 0 | 0 | 0 I 1 | 0 | 0 | 0 | 1Y1 |5 4555 12| 2Y0 | 0 | 0 | 1 I 0 | 1 | 0 | 0 | 1Y2 |6 11| 2Y1 | 0 | 1 | 0 I 0 | 0 | 1 | 0 | 1Y3 |7 10| 2Y2 | 0 | 1 | 1 I 0 | 0 | 0 | 1 | GND |8 9| 2Y3 +---+---+---+---+---+---+---+ +----------+
+---+ +---+ +---+---+---+---+---+---+---+ /1EN |1 +--+ 16| VCC |/EN| S1| S0I/Y0|/Y1|/Y2|/Y3| 1S0 |2 15| /2EN +===+===+===+===+===+===+===+ 1S1 |3 14| 2S0 | 1 | X | X I 1 | 1 | 1 | 1 | /1Y0 |4 13| 2S1 | 0 | 0 | 0 I 0 | 1 | 1 | 1 | /1Y1 |5 4556 12| /2Y0 | 0 | 0 | 1 I 1 | 0 | 1 | 1 | /1Y2 |6 11| /2Y1 | 0 | 1 | 0 I 1 | 1 | 0 | 1 | /1Y3 |7 10| /2Y2 | 0 | 1 | 1 I 1 | 1 | 1 | 0 | GND |8 9| /2Y3 +---+---+---+---+---+---+---+ +----------+
+-----+--+-----+ 1Q3 |1 +--+ 24| VCC 1Q2 |2 23| 1Q1 1RD |3 22| 1Q0 2Q0 |4 21| 2RD 2Q1 |5 20| D0 2Q2 |6 19| D1 2Q3 |7 40108 18| D2 WA0 |8 17| D3 WA1 |9 16| WCLK 2RA1 |10 15| WR 2RA0 |11 14| 1RA1 GND |12 13| 1RA0 +--------------+
+---+ +---+ B2 |1 +--+ 16| VCC A2 |2 15| A3 OA=B |3 14| B3 IA>B |4 13| OA>B IA<B |5 4585 12| OA<B IA=B |6 11| B0 A1 |7 10| A0 GND |8 9| B1 +----------+
+---+ +---+ Q7 |1 +--+ 18| VCC RST |2 17| Q6 D |3 16| Q5 /WR |4 15| Q4 A0 |5 4599 14| Q3 A1 |6 13| Q2 A2 |7 12| Q1 CE |8 11| Q0 GND |9 10| /RD +----------+
+---+--+---+ RST |1 +--+ 16| VCC WR |2 15| RR D |3 14| X0 I3 |4 13| X1 I2 |5 4500 12| JMP I1 |6 11| RTN I0 |7 10| FLG0 GND |8 9| FLGF +----------+
+-----+--+-----+ 1Q3 |1 +--+ 24| VCC 1Q2 |2 23| 1Q1 1RD |3 22| 1Q0 2Q0 |4 21| 2RD 2Q1 |5 20| D0 2Q2 |6 19| D1 2Q3 |7 40108 18| D2 WA0 |8 17| D3 WA1 |9 16| WCLK 2RA1 |10 15| WR 2RA0 |11 14| 1RA1 GND |12 13| 1RA0 +--------------+
+-----+--+-----+ 1Q3 |1 +--+ 24| VCC 1Q2 |2 23| 1Q1 1RD |3 22| 1Q0 2Q0 |4 21| 2RD 2Q1 |5 20| D0 2Q2 |6 19| D1 2Q3 |7 40108 18| D2 WA0 |8 17| D3 WA1 |9 16| WCLK 2RA1 |10 15| WR 2RA0 |11 14| 1RA1 GND |12 13| 1RA0 +--------------+