742 series TTL ICs with integrated 25R resistors: 742xxx 7425xxx
Fast bus driver TTL ICs 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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