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M74HCT174C1R Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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M74HCT174C1R Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 11 page M54HCT174 M74HCT174 February 1993 HEX D-TYPE FLIP FLOP WITH CLEAR B1R (Plastic Package) ORDER CODES : M54HCT174F1R M74HCT174M1R M74HCT174B1R M74HCT174C1R F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) PIN CONNECTIONS (top view) NC = No Internal Connection INPUT AND OUTPUT EQUIVALENT CIRCUIT DESCRIPTION . HIGH SPEED fMAX = 56 MHz (TYP.) AT VCC =5 V . LOW POWER DISSIPATION ICC =4 µA (MAX.) AT TA =25 °C . COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) . OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS . SYMMETRICAL OUTPUT IMPEDANCE IOH =IOL = 4 mA (MIN.) . BALANCED PROPAGATION DELAYS tPLH =tPHL . PIN AND FUNCTION COMPATIBLE WITH 54/74LS174 The M54/74HCT174 is a high speed CMOS HEX D- TYPE FLIP-FLOP WITH CLEAR fabricated in silicon gate C 2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. Information signals applied to D inputs are transfered to the Q output on thepositive going edge of the clock pulse. When the CLEAR input is held low, the Q out- puts are held low independently of the other inputs. This integrated circuit has input and output charac- teristics that are fully compatible with 54/74 LSTTL logic families. M54/74HCT devices are designed to directly interface HSC 2MOS systems with TTL and NMOS components. They are also plug in replace- ments for LSTTL devices giving a reduction of power consumption. All inputs are equipped with protection circuits against static discharge and transient excess voltage. 1/11 |
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