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74LVQ157T bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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74LVQ157T bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 8 page 74LVQ157 LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER ® February 1999 ORDER CODES : 74LVQ157M 74LVQ157T M (Micro Package) s HIGH SPEED: tPD = 5 ns (TYP.) at VCC =3.3V s COMPATIBLE WITH TTL OUTPUT s LOW POWER DISSIPATION: ICC =4 µA (MAX.) at TA =25 oC s LOW NOISE: VOLP = 0.2V (TYP.) at VCC = 3.3V s 75 Ω TRANSMISSION LINE OUTPUT DRIVE CAPABILITY s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|=IOL = 12 mA (MIN) s PCI BUS LEVELS GUARANTEED AT 24mA s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 3.6V (1.2VData Retention) s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 157 s IMPROVED LATCH-UP IMMUNITY DESCRIPTION The LVQ157 is a low voltage CMOS QUAD 2-CHANNEL MULTIPLEXER fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology. It is ideal for low power and low noise 3.3V applications. T (TSSOP Package) It has better speed performance at 3.3V than 5V LSTTL family combined with the true CMOS low power consumption. It consists of four 2-input digital multiplexers with common select and strobe inputs. When strobe input is held high selection of data is inhibit and all the outputs become low. The SELECT decoding determines whether the A or B inputs get routed to their corresponding Y outputs. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS 1/8 |
Số phần tương tự - 74LVQ157T |
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Mô tả tương tự - 74LVQ157T |
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