74 series :: Ttl ics 74300 74399

TTL ICs: 74300...74399


74303

8-line inverting/noninverting divide by 2 clock driver.
Six outputs in phase with CLK, two out of phase.
    +---+--+---+
 Q3 |1  +--+ 16| Q2
 Q4 |2       15| Q1
GND |3       14| /RST
GND |4   74  13| VCC
GND |5  303  12| VCC
 Q5 |6       11| CLK
 Q6 |7       10| /PRE
/Q7 |8        9| /Q8
    +----------+

74304

8-line noninverting divide by 2 clock driver.
    +---+--+---+
 Q3 |1  +--+ 16| Q2
 Q4 |2       15| Q1
GND |3       14| /RST
GND |4   74  13| VCC
GND |5  304  12| VCC
 Q5 |6       11| CLK
 Q6 |7       10| /PRE
 Q7 |8        9| Q8
    +----------+

74305

8-line inverting/noninverting divide by 2 clock driver.
Four outputs in phase with CLK, four out of phase.
    +---+--+---+
 Q3 |1  +--+ 16| Q2
 Q4 |2       15| Q1
GND |3       14| /RST
GND |4   74  13| VCC
GND |5  305  12| VCC
/Q5 |6       11| CLK
/Q6 |7       10| /PRE
/Q7 |8        9| /Q8
    +----------+

74306

2-bit 3-state noninverting buffer/line driver.
     +---+--+---+            +---+---*---+
/1OE |1  +--+  8| 1Y         | A |/OE| Y |
  1A |2   74   7| VCC        +===+===*===+
 GND |3  306   6| 1A         | 0 | 0 | 0 |
/2OE |4        5| 2Y         | 1 | 0 | 1 |
     +----------+            | X | 1 | Z |
                             +---+---*---+

74322

8-bit 3-state shift register with with sign extension and selectable serial inputs. Multiplexed parallel I/O.
       +---+--+---+
   /OE |1  +--+ 20| VCC
SH//LD |2       19| E//D
     D |3       18| /SEXT
    P0 |4       17| E
    P2 |5   74  16| P1
    P4 |6  322  15| P3
    P6 |7       14| P5
   /OE |8       13| P7
  /RST |9       12| Q7
   GND |10      11| CLK
       +----------+

74323

8-bit 3-state bidirectional universal shift register with reset and multiplexed parallel I/O.
     +---+--+---+
  S0 |1  +--+ 20| VCC
/OE1 |2       19| S1
/OE2 |3       18| D
  P6 |4       17| Q7
  P4 |5   74  16| P7
  P2 |6  323  15| P5
  P0 |7       14| P3
  Q0 |8       13| P1
/RST |9       12| CLK
 GND |10      11| L
     +----------+

74328

6-line selectable phase clock driver.
    +---+--+---+
GND |1  +--+ 16| 1Y1
1Y2 |2       15| SEL1
2Y1 |3       14| VCC
GND |4   74  13| SEL2
2Y2 |5  328  12| A
3Y1 |6       11| VCC
GND |7       10| SEL3
4Y1 |8        9| SEL4
    +----------+

74329

6-line selectable phase clock driver.
    +---+--+---+
GND |1  +--+ 16| 1Y1
1Y2 |2       15| SEL1
2Y1 |3       14| VCC
GND |4   74  13| SEL2
2Y2 |5  329  12| A
3Y1 |6       11| VCC
GND |7       10| SEL3
4Y1 |8        9| SEL4
    +----------+

74330

Dual 1-line to 3-line noninverting clock driver and 1-line to 4-line noninverting divide by 2 clock driver.
     +---+--+---+
 GND |1  +--+ 24| OEQ
  Q1 |2       23| Q3
  Q2 |3       22| CLKQ
 GND |4       21| VCC
  X1 |5       20| RST
 OEX |6   74  19| X3
CLKX |7  330  18| GND
  X2 |8       17| X4
 GND |9       16| VCC
  Y1 |10      15| OEY
  Y2 |11      14| Y3
 GND |12      13| CLKY
     +----------+

74337

8-line 3-state noninverting clock driver with divide by 2 output on 4 lines.
     +---+--+---+
  Y3 |1  +--+ 20| Y2
 GND |2       19| GND
  Y4 |3       18| Y1
 VCC |4       17| VCC
 /OE |5   74  16| CLK
/RST |6  337  15| GND
 VCC |7       14| VCC
  Q1 |8       13| Q4
 GND |9       12| GND
  Q2 |10      11| Q3
     +----------+

74338

6-line noninverting clock driver with divide by 2 and PLL.
Four outputs toggle at the clock, one at one-half, one at double speed.
    +---+--+---+
GND |1  +--+ 20| /OE
 Y1 |2       19| VCC
GND |3       18| DF
 Y2 |4       17| VCC
GND |5   74  16| CLKIN
GND |6  338  15| GND
 Y3 |7       14| HF
GND |8       13| VCC
 Y4 |9       12| /RST
GND |10      11| VCC
    +----------+

74339

8-line 3-state noninverting clock driver with divide by 2 output on 4 lines.
     +---+--+---+
  Y3 |1  +--+ 20| Y2
 GND |2       19| GND
  Y4 |3       18| Y1
 VCC |4       17| VCC
 /OE |5   74  16| CLK
/RST |6  339  15| GND
 VCC |7       14| VCC
  Q1 |8       13| Q4
 GND |9       12| GND
  Q2 |10      11| Q3
     +----------+

74340

8-line inverting clock driver.
    +---+--+---+
VCC |1  +--+ 20| VCC
 E1 |2       19| Q1
 E2 |3       18| Q2
 IN |4       17| GND
 P0 |5   74  16| Q3
 P1 |6  340  15| Q4
VCC |7       14| GND
 Q8 |8       13| Q5
 Q7 |9       12| Q6
GND |10      11| GND
    +----------+

74348

8-to-3 line 3-state inverting priority encoder with cascade inputs.
    +---+--+---+
/A4 |1  +--+ 16| VCC
/A5 |2       15| /EO
/A6 |3       14| /GS
/A7 |4   74  13| /A3
/EI |5  348  12| /A2
 Y2 |6       11| /A1
 Y1 |7       10| /A0
GND |8        9| Y0
    +----------+

74352

8-to-2 line inverting data selector/multiplexer with separate enables.
     +---+--+---+
/1EN |1  +--+ 16| VCC
  S1 |2       15| /2EN
 1A3 |3       14| S0
 1A2 |4   74  13| 2A3
 1A1 |5  352  12| 2A2
 1A0 |6       11| 2A1
  1Y |7       10| 2A0
 GND |8        9| 2Y
     +----------+

74353

8-to-2 line 3-state inverting data selector/multiplexer.
     +---+--+---+
/1EN |1  +--+ 16| VCC
  S1 |2       15| /2EN
 1A3 |3       14| S0
 1A2 |4   74  13| 2A3
 1A1 |5  353  12| 2A2
 1A0 |6       11| 2A1
 /1Y |7       10| 2A0
 GND |8        9| /2Y
     +----------+

74354

8-to-1 line 3-state data selector/multiplexer with address and data latches and complementary outputs.
    +---+--+---+
 A7 |1  +--+ 20| VCC
 A6 |2       19| Y
 A5 |3       18| /Y
 A4 |4       17| OE3
 A3 |5  74   16| /OE2
 A2 |6  354  15| /OE1
 A1 |7       14| A0
 A0 |8       13| A1
DLE |9       12| A2
GND |10      11| ALE
    +----------+

74356

8-to-1 line 3-state data selector/multiplexer with address latch and data register and complementary outputs.
    +---+--+---+
 A7 |1  +--+ 20| VCC
 A6 |2       19| Y
 A5 |3       18| /Y
 A4 |4       17| OE3
 A3 |5  74   16| /OE2
 A2 |6  356  15| /OE1
 A1 |7       14| A0
 A0 |8       13| A1
DLE |9       12| A2
GND |10      11| ALE
    +----------+

74365

6-bit 3-state noninverting buffer/line driver.
     +---+--+---+            +---+---*---+
/OE1 |1  +--+ 16| VCC        |/OE| A | Y |
  A1 |2       15| /OE2       +===+===*===+
  Y1 |3       14| A6         | 1 | X | Z |
  A2 |4   74  13| Y6         | 0 | 0 | 0 |
  Y2 |5  365  12| A5         | 0 | 1 | 1 |
  A3 |6       11| Y5         +---+---*---+
  Y3 |7       10| A4
 GND |8        9| Y4
     +----------+

74366

6-bit 3-state inverting buffer/line driver.
     +---+--+---+            +---+---*---+
/OE1 |1  +--+ 16| VCC        |/OE| A |/Y |
  A1 |2       15| /OE2       +===+===*===+
 /Y1 |3       14| A6         | 1 | X | Z |
  A2 |4   74  13| /Y6        | 0 | 0 | 1 |
 /Y2 |5  366  12| A5         | 0 | 1 | 0 |
  A3 |6       11| /Y5        +---+---*---+
 /Y3 |7       10| A4
 GND |8        9| /Y4
     +----------+

74367

2/4-bit 3-state noninverting buffer/line driver.
     +---+--+---+            +---+---*---+
/1OE |1  +--+ 16| VCC        |/OE| A | Y |
 1A1 |2       15| /2OE       +===+===*===+
 1Y1 |3       14| 2A2        | 1 | X | Z |
 1A2 |4   74  13| 2Y2        | 0 | 0 | 0 |
 1Y2 |5  367  12| 2A1        | 0 | 1 | 1 |
 1A3 |6       11| 2Y1        +---+---*---+
 1Y3 |7       10| 1A4
 GND |8        9| 1Y4
     +----------+

74368

2/4-bit 3-state inverting buffer/line driver.
     +---+--+---+            +---+---*---+
/1OE |1  +--+ 16| VCC        |/OE| A |/Y |
 1A1 |2       15| /2OE       +===+===*===+
/1Y1 |3       14| 2A2        | 1 | X | Z |
 1A2 |4   74  13| /2Y2       | 0 | 0 | 1 |
/1Y2 |5  368  12| 2A1        | 0 | 1 | 0 |
 1A3 |6       11| /2Y1       +---+---*---+
/1Y3 |7       10| 1A4
 GND |8        9| /1Y4
     +----------+

74373

8-bit 3-state transparent latch.
    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE| LE| D | Q |
 Q1 |2       19| Q8          +===+===+===*===+
 D1 |3       18| D8          | 1 | X | X | Z |
 D2 |4       17| D7          | 0 | 0 | X | - |
 Q2 |5   74  16| Q7          | 0 | 1 | 0 | 0 |
 Q3 |6  373  15| Q6          | 0 | 1 | 1 | 1 |
 D3 |7       14| D6          +---+---+---*---+
 D4 |8       13| D5
 Q4 |9       12| Q5
GND |10      11| LE
    +----------+

74374

8-bit 3-state D flip-flop.
    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D | Q |
 Q1 |2       19| Q8          +===+===+===*===+
 D1 |3       18| D8          | 1 | X | X | Z |
 D2 |4       17| D7          | 0 | / | 0 | 0 |
 Q2 |5   74  16| Q7          | 0 | / | 1 | 1 |
 Q3 |6  374  15| Q6          | 0 |!/ | X | - |
 D3 |7       14| D6          +---+---+---*---+
 D4 |8       13| D5
 Q4 |9       12| Q5
GND |10      11| CLK
    +----------+

74375

Dual 2-bit transparent latches with complementary outputs.
     +---+--+---+
 1D1 |1  +--+ 16| VCC
/1Q1 |2       15| 2D1
 1Q1 |3       14| /2Q1
 1LE |4   74  13| 2Q1
 1Q2 |5  375  12| 2LE
/1Q2 |6       11| 2Q2
 1D2 |7       10| /2Q2
 GND |8        9| 2D2
     +----------+

74376

4-bit J-/K flip-flop with reset.
     +---+--+---+            +---+---+---+----*---+---+
/RST |1  +--+ 16| VCC        | J |/K |CLK|/RST| Q |/Q |
  J1 |2       15| J4         +===+===+===+====*===+===+
 /K1 |3       14| /K4        | X | X | X |  0 | 0 | 1 |
  Q1 |4   74  13| Q4         | 0 | 0 | / |  1 | 0 | 1 |
  Q2 |5  376  12| Q3         | 0 | 1 | / |  1 | - | - |
 /K2 |6       11| /K3        | 1 | 0 | / |  1 |/Q | Q |
  J2 |7       10| J3         | 1 | 1 | / |  1 | 1 | 0 |
 GND |8        9| CLK        | X | X |!/ |  1 | - | - |
     +----------+            +---+---+---+----*---+---+

74377

8-bit D flip-flop with clock enable.
       +---+--+---+          +----+---+---*---+
/CLKEN |1  +--+ 20| VCC      |/CEN|CLK| D | Q |
    Q1 |2       19| Q8       +====+===+===*===+
    D1 |3       18| D8       |  1 | X | X | - |
    D2 |4       17| D7       |  0 | / | 0 | 0 |
    Q2 |5   74  16| Q7       |  0 | / | 1 | 1 |
    Q3 |6  377  15| Q6       |  0 |!/ | X | - |
    D3 |7       14| D6       +----+---+---*---+
    D4 |8       13| D5
    Q4 |9       12| Q5
   GND |10      11| CLK
       +----------+

74378

6-bit D flip-flop with clock enable.
       +---+--+---+          +----+---+---*---+
/CLKEN |1  +--+ 16| VCC      |/CEN|CLK| D | Q |
    Q1 |2       15| Q6       +====+===+===*===+
    D1 |3       14| D6       |  1 | X | X | - |
    D2 |4   74  13| D5       |  0 | / | 0 | 0 |
    Q2 |5  378  12| Q5       |  0 | / | 1 | 1 |
    D3 |6       11| D4       |  0 |!/ | X | - |
    Q3 |7       10| Q4       +----+---+---*---+
   GND |8        9| CLK
       +----------+

74379

6-bit D flip-flop with clock enable and complementary outputs.
       +---+--+---+          +----+---+---*---+---+
/CLKEN |1  +--+ 16| VCC      |/CEN|CLK| D | Q |/Q |
    Q1 |2       15| Q4       +====+===+===*===+===+
   /Q1 |3       14| /Q4      |  1 | X | X | - | - |
    D1 |4   74  13| D4       |  0 | / | 0 | 0 | 1 |
    D2 |5  379  12| D3       |  0 | / | 1 | 1 | 0 |
   /Q2 |6       11| /Q3      |  0 |!/ | X | - | - |
    Q2 |7       10| Q3       +----+---+---*---+---+
   GND |8        9| CLK
       +----------+

74381

4-bit 8-function arithmetic logic unit (ALU)
    +---+--+---+
 A1 |1  +--+ 20| VCC
 B1 |2       19| A2
 A0 |3       18| B2
 B0 |4       17| A3
 S0 |5   74  16| B3
 S1 |6  381  15| CIN
 S2 |7       14| /P
 F0 |8       13| /G
 F1 |9       12| F3
GND |10      11| F2
    +----------+

74382

4-bit 8-function arithmetic logic unit (ALU) with ripple carry and overflow outputs.
    +---+--+---+
 A1 |1  +--+ 20| VCC
 B1 |2       19| A2
 A0 |3       18| B2
 B0 |4       17| A3
 S0 |5   74  16| B3
 S1 |6  382  15| CIN
 S2 |7       14| COUT
 F0 |8       13| OVR
 F1 |9       12| F3
GND |10      11| F2
    +----------+

74385

Quad serial adder/subtractor.
Contains four independent adder/subtractor elements with common clock and carry reset.
      +---+--+---+
  CLK |1  +--+ 20| VCC
   1S |2       19| 4S
1S//A |3       18| 4S//A
   1B |4       17| 4B
   1A |5   74  16| 4A
   2A |6  385  15| 3A
   2B |7       14| 3B
2S//A |8       13| 3S//A
   2S |9       12| 3S
  GND |10      11| RST
      +----------+

74386

Quad 2-input XOR gates.
    +---+--+---+             +---+---*---+                    _   _
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
 1Y |3  74   12| 4A          | 0 | 0 | 0 |
 2Y |4  386  11| 4Y          | 0 | 1 | 1 |
 2A |5       10| 3Y          | 1 | 0 | 1 |
 2B |6        9| 3B          | 1 | 1 | 0 |
GND |7        8| 3A          +---+---*---+
    +----------+

74390

Dual 4-bit asynchronous decade counters with separate /2 and /5 sections and reset.
       +---+--+---+
/1CLK0 |1  +--+ 16| VCC
  1RST |2       15| /2CLK0
   1Q0 |3       14| 2RST
/1CLK1 |4   74  13| 2Q0
   1Q1 |5  390  12| /2CLK1
   1Q2 |6       11| 2Q1
   1Q3 |7       10| 2Q2
   GND |8        9| 2Q3
       +----------+

74393

Dual 4-bit asynchronous binary counters with reset.
      +---+--+---+
/1CLK |1  +--+ 14| VCC
 1RST |2       13| /2CLK
  1Q0 |3   74  12| 2RST
  1Q1 |4  393  11| 2Q0
  1Q2 |5       10| 2Q1
  1Q3 |6        9| 2Q2
  GND |7        8| 2Q3
      +----------+

74395

4-bit 3-state universal shift register with load and asynchronous reset.
       +---+--+---+
  /RST |1  +--+ 16| VCC
     D |2       15| Y0
    P0 |3       14| Y1
    P1 |4   74  13| Y2
    P2 |5  395  12| Y3
    P3 |6       11| Q3
LD//SH |7       10| CLK
   GND |8        9| /OE
       +----------+

74398

8-to-4 line data selector/multiplexer with output registers and complementary outputs.
    +---+--+---+
  S |1  +--+ 20| VCC
 1Y |2       19| 4Y
/1Y |3       18| /4Y
1A0 |4       17| 4A0
1A1 |5   74  16| 4A1
2A1 |6  398  15| 3A1
2A0 |7       14| 3A0
/2Y |8       13| /3Y
 2Y |9       12| 3Y
GND |10      11| CLK
    +----------+

74399

8-to-4 line inverting data selector/multiplexer with output registers.
    +---+--+---+
  S |1  +--+ 16| VCC
 1Y |2       15| 4Y
1A0 |3       14| 4A0
1A1 |4   74  13| 4A1
2A1 |5  399  12| 3A1
2A0 |6       11| 3A0
 2Y |7       10| 3Y
GND |8        9| CLK
    +----------+









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