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Datasheet M74HC27 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 9 | M74HC27 | TRIPLE 3-INPUT NOR GATE M74HC27
TRIPLE 3-INPUT NOR GATE
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HIGH SPEED: tPD = 9ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE |
 ST Microelectronics |
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| 8 | M74HC273 | OCTAL D TYPE FLIP FLOP WITH CLEAR M54HC273 M74HC273
OCTAL D TYPE FLIP FLOP WITH CLEAR
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HIGH SPEED fMAX = 67 MHz (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = |
ST Microelectronics |
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| 7 | M74HC279 | QUAD S - R LATCH M54HC279 M74HC279
QUAD S - R LATCH
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HIGH SPEED tPD = 12 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 2 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.) |
ST Microelectronics |
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| 6 | M74HC27B1 | TRIPLE 3-INPUT NOR GATE |
ST Microelectronics |
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