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74LVQ138T データシート(PDF) 1 Page - STMicroelectronics |
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74LVQ138T データシート(HTML) 1 Page - STMicroelectronics |
1 / 9 page 74LVQ138 3 TO 8 LINE DECODER (INVERTING) ® February 1999 s HIGH SPEED: tPD = 5.5 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 = 0.2 V (TYP.) at VCC =3.3V s 75 Ω TRANSMISSION LINE DRIVING 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 (1.2V Data Retention) s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 138 s IMPROVED LATCH-UP IMMUNITY DESCRIPTION The LVQ138 is a low voltage CMOS 3 TO 8 LINE DECODER (INVERTING) 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. If the device is enabled, 3 binary select inputs (A, B and C) determine which one of the outputs will go low. If enable input G1 is held low or either G2A or G2B is held high, the decoding function is inhibited and all the 8 outputs go high. Three enable inputs are provided to ease cascade connection and application of address decoders for memory systems. It has better speed performance at 3.3V than 5V LSTTL family combinad with the true CMOS low power consumption. 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 M1 (Micro Package) T (TSSOP Package) ORDER CODES : 74LVQ138M 74LVQ138T 1/9 |
同様の部品番号 - 74LVQ138T |
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同様の説明 - 74LVQ138T |
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