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M74HCT240M1R Folha de dados(PDF) 1 Page - STMicroelectronics |
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M74HCT240M1R Folha de dados(HTML) 1 Page - STMicroelectronics |
1 / 12 page M54HCT240/241/244 M74HCT240/241/244 September 1993 HCT240: INVERTED - HCT241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS B1R (Plastic Package) ORDER CODES : M54HCTXXXF1R M74HCTXXXM1R M74HCTXXXB1R M74HCTXXXC1R F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) PIN CONNECTION (top view) . HIGH SPEED tPD = 13 ns (TYP.) at VCC =5V . LOW POWER DISSIPATION ICC =4 µA (MAX.) at TA =25 oC . COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) . OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS . SYMMETRICAL OUTPUT IMPEDANCE |IOH|= IOL = 6 mA (MIN) . BALANCED PROPAGATION DELAYS tPLH =tPHL . PIN AND FUNCTION COMPATIBLE WITH 54/74LS240/241/244 DESCRIPTION The M54/74HCT240, HCT241 and HCT244 are high speed CMOS OCTAL BUS BUFFERs fabricated in silicon gate C 2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. The designer has a choise of select combination of inverting and non-inverting outputs, symmetrical G (active low output control) input, and complementary G and G inputs. Each control input governs four BUS BUFFERs. This integrated circuit has input and output characteristics 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 replacements for LSTTL devices giving a reduction of power consumption. These devices are designed to be used with 3 state memory address drivers, etc. All inputs are equipped with protection circuits against static discharge and transient excess voltage. HCT244 HCT241 HCT240 1/12 |
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Descrição semelhante - M74HCT240M1R |
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