742 series TTL IC's with integrated 25R resistors: 742xxx 7425xxx

Fast bus driver TTL IC's with integrated 25R series resistors for for damping when driving large capacitive loads. Most also have center GND and VCC pins for reducing ground bounce.

742240

Dual 4-bit 3-state inverting buffer/MOS driver with integrated 25R series output resistors.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
/2Y4 |3       18| /1Y1
 1A2 |4       17| 2A4
/2Y3 |5  742  16| /1Y2
 1A3 |6  240  15| 2A3
/2Y2 |7       14| /1Y3
 1A4 |8       13| 2A2
/2Y1 |9       12| /1Y4
 GND |10      11| 2A1
     +----------+

742241

Dual 4-bit 3-state noninverting buffer/MOS driver with integrated 25R series output resistors.
One active low, one active high output enable.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A4 |2       19| 2OE
 2Y1 |3       18| 1Y1
 1A3 |4       17| 2A4
 2Y2 |5  742  16| 1Y2
 1A2 |6  241  15| 2A3
 2Y3 |7       14| 1Y3
 1A1 |8       13| 2A2
 2Y4 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+

742244

Dual 4-bit 3-state noninverting buffer/MOS driver with integrated 25R series output resistors.

     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
 2Y4 |3       18| 1Y1
 1A2 |4       17| 2A4
 2Y3 |5  742  16| 1Y2
 1A3 |6  244  15| 2A3
 2Y2 |7       14| 1Y3
 1A4 |8       13| 2A2
 2Y1 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+

742245

8-bit 3-state noninverting bus transceiver with integrated 25R series output resistors.
Enable and direction pins control output enables.

    +---+--+---+             +---+---*---+---+
DIR |1  +--+ 20| VCC         |/EN|DIR| A | B |
 A0 |2       19| /EN         +===+===*===+===+
 A1 |3       18| B0          | 1 | X | Z | Z |
 A2 |4       17| B1          | 0 | 0 | B | Z |
 A3 |5  742  16| B2          | 0 | 1 | Z | A |
 A4 |6  245  15| B3          +---+---*---+---+
 A5 |7       14| B4
 A6 |8       13| B5
 A7 |9       12| B6
GND |10      11| B7
    +----------+

742410

11-bit 3-state noninverting buffer/MOS driver with integrated 25R series output resistors.

     +---+--+---+
  A1 |1  +--+ 28| A6
  A2 |2       27| A7
  A3 |3       26| A8
  A4 |4       25| A9
  A5 |5       24| A10
/OE1 |6       23| A11
 VCC |7  742  22| GND
 GND |8  410  21| GND
/OE2 |9       20| Y11
  Y5 |10      19| Y10
  Y4 |11      18| Y9
  Y3 |12      17| Y8
  Y2 |13      16| Y7
  Y1 |14      15| Y6
     +----------+

742411

11-bit 3-state inverting buffer/MOS driver with integrated 25R series output resistors.

     +---+--+---+
  A1 |1  +--+ 28| A6
  A2 |2       27| A7
  A3 |3       26| A8
  A4 |4       25| A9
  A5 |5       24| A10
/OE1 |6       23| A11
 VCC |7  742  22| GND
 GND |8  411  21| GND
/OE2 |9       20|/Y11
 /Y5 |10      19|/Y10
 /Y4 |11      18|/Y9
 /Y3 |12      17|/Y8
 /Y2 |13      16|/Y7
 /Y1 |14      15|/Y6
     +----------+

742574

8-bit 3-state D flip-flop with integrated 25R series output resistors.

    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D | Q |
 D1 |2       19| Q1          +===+===+===*===+
 D2 |3       18| Q2          | 1 | X | X | Z |
 D3 |4       17| Q3          | 0 | / | 0 | 0 |
 D4 |5  742  16| Q4          | 0 | / | 1 | 1 |
 D5 |6  574  15| Q5          | 0 |!/ | X | - |
 D6 |7       14| Q6          +---+---+---*---+
 D7 |8       13| Q7
 D8 |9       12| Q8
GND |10      11| CLK
    +----------+

742827

10-bit 3-state noninverting buffer/MOS driver with integrated 25R series output resistors.

     +---+--+---+
/OE1 |1  +--+ 24| VCC
  A1 |2       23| Y1
  A2 |3       22| Y2
  A3 |4       21| Y3
  A4 |5       20| Y4
  A5 |6  742  19| Y5
  A6 |7  827  18| Y6
  A7 |8       17| Y7
  A8 |9       16| Y8
  A9 |10      15| Y9
 A10 |11      14| Y10
 GND |12      13| /OE2
     +----------+

742828

10-bit 3-state inverting buffer/MOS driver with integrated 25R series output resistors.

     +---+--+---+
/OE1 |1  +--+ 24| VCC
  A1 |2       23| /Y1
  A2 |3       22| /Y2
  A3 |4       21| /Y3
  A4 |5       20| /Y4
  A5 |6  742  19| /Y5
  A6 |7  828  18| /Y6
  A7 |8       17| /Y7
  A8 |9       16| /Y8
  A9 |10      15| /Y9
 A10 |11      14| /Y10
 GND |12      13| /OE2
     +----------+

742952

8-bit 3-state noninverting latched transceiver.

      +---+--+---+
   B8 |1  +--+ 24| VCC
   B7 |2       23| A8
   B6 |3       22| A7
   B5 |4       21| A6
   B4 |5       20| A5
   B3 |6  742  19| A4
   B2 |7  952  18| A3
   B1 |8       17| A2
/OEAB |9       16| A1
CLKAB |10      15| /OEBA
/CEAB |11      14| CLKBA
  GND |12      13| /CEBA
      +----------+

742953

8-bit 3-state inverting latched transceiver.

      +---+--+---+
   B8 |1  +--+ 24| VCC
   B7 |2       23| A8
   B6 |3       22| A7
   B5 |4       21| A6
   B4 |5       20| A5
   B3 |6  742  19| A4
   B2 |7  953  18| A3
   B1 |8       17| A2
/OEAB |9       16| A1
CLKAB |10      15| /OEBA
/CEAB |11      14| CLKBA
  GND |12      13| /CEBA
      +----------+

7425240

Dual 4-bit 3-state inverting buffer/bus driver with integrated 25R series output resistors. Increased drive to drive 25R bus.

     +---+--+---+
/1Y1 |1  +--+ 24| /1OE
 GND |2       23| 1A1
/1Y2 |3       22| 1A2
/1Y3 |4       21| VCC
 GND |5       20| 1A3
/1Y4 |6 7425  19| 1A4
/2Y1 |7  240  18| 2A1
 GND |8       17| 2A2
/2Y2 |9       16| VCC
/2Y3 |10      15| 2A3
 GND |11      14| 2A4
/2Y4 |12      13| /2OE
     +----------+

7425244

Dual 4-bit 3-state noninverting buffer/bus driver with integrated 25R series output resistors. Increased drive to drive 25R bus.

    +---+--+---+
1Y1 |1  +--+ 24| /1OE
GND |2       23| 1A1
1Y2 |3       22| 1A2
1Y3 |4       21| VCC
GND |5       20| 1A3
1Y4 |6 7425  19| 1A4
2Y1 |7  240  18| 2A1
GND |8       17| 2A2
2Y2 |9       16| VCC
2Y3 |10      15| 2A3
GND |11      14| 2A4
2Y4 |12      13| /2OE
    +----------+

7425245

8-bit 3-state noninverting bus transceiver with integrated 25R series output resistors. Increased drive to drive 25R bus.
Enable and direction pins control output enables.

    +---+--+---+             +---+---*---+---+
 A1 |1  +--+ 24| DIR         |/EN|DIR| A | B |
GND |2       23| B1          +===+===*===+===+
 A2 |3       22| B2          | 1 | X | Z | Z |
 A3 |4       21| VCC         | 0 | 0 | B | Z |
GND |5       20| B3          | 0 | 1 | Z | A |
 A4 |6 7425  19| B4          +---+---*---+---+
 A5 |7  245  18| B5
GND |8       17| B6
 A6 |9       16| VCC
 A7 |10      15| B7
GND |11      14| B8
 A8 |12      13| /EN
    +----------+

7425642

8-bit open-collector inverting bus transceiver.
Enable and direction pins control output enables. Increased drive to drive 25R bus.

    +---+--+---+
 A1 |1  +--+ 24| DIR
GND |2       23| B1
 A2 |3       22| B2
 A3 |4       21| VCC
GND |5       20| B3
 A4 |6 7425  19| B4
 A5 |7  642  18| B5
GND |8       17| B6
 A6 |9       16| VCC
 A7 |10      15| B7
GND |11      14| B8
 A8 |12      13| /OE
    +----------+

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