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M74HCT32B1R Datasheet(PDF) 1 Page - STMicroelectronics |
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M74HCT32B1R Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 9 page M54HCT32 M74HCT32 February 1993 QUAD 2-INPUT OR GATE B1R (Plastic Package) ORDER CODES : M54HCT32F1R M74HCT32M1R M74HCT32B1R M74HCT32C1R F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) PIN CONNECTIONS (top view) NC = No Internal Connection INPUT AND OUTPUT EQUIVALENT CIRCUIT . HIGH SPEED tPD = 12 ns (TYP.) AT VCC =5 V . LOW POWER DISSIPATION ICC =1 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 54/74LS32 The M54/74HCT32 is a high speed CMOS 2-INPUT OR GATE fabricated in silicon gate C2MOS technol- ogy. It has the same high speed performance of LSTTL combined with true CMOS low power con- sumption. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. The internal circuit is composed of 2 stages including buffered output, which gives high noise immunity and a stable output. All inputs are equipped with protection circuits against static dis- charge and transient excess voltage. 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 HSC2MOS systems with TTL and NMOS components. They are also plug in replace- ments for LSTTL devices giving a reduction of power consumption. DESCRIPTION 1/9 |
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