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74LVQ240

器件名称: 74LVQ240
功能描述: LOW VOLTAGE OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED
文件大小: 64.85KB    共8页
生产厂商: STMICROELECTRONICS
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简  介: 74LVQ240 LOW VOLTAGE OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) s s s s s s s s s s s HIGH SPEED: tPD = 6 ns (TYP.) at VCC = 3.3V COMPATIBLE WITH TTL OUTPUT LOW POWER DISSIPATION: ICC = 4 A (MAX.) at TA = 25 oC LOW NOISE: VOLP = 0.4V (TYP.) at VCC = 3.3V 75 TRANSMISSION LINE OUTPUT DRIVE CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 12 mA (MIN) PCI BUS LEVELS GUARANTEED AT 24mA BALANCED PROPAGATION DELAYS: tPLH tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 3.6V (1.2VData Retention) PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 240 IMPROVED LATCH-UP IMMUNITY M (Micro Package) T (TSSOP Package) ORDER CODES : 74LVQ240M 74LVQ240T technology. It is ideal for low power and low noise 3.3V applications. It has better speed performance at 3.3V than 5V LSTTL family combined with the true CMOS low power consumption. G output control governs four BUS BUFFERs. This device is designed to be used with 3 state memory address drivers, etc. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. DESCRIPTION The LVQ240 is a low voltage CMOS OCTAL BUS BUFFER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS PIN CONNECTION AND IEC LOGIC SYMBOLS February 1999 1/8 74LVQ240 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1 2, 4,6, 8 9, 7,5, 3 11, 13, 15, 17 18, 16, 14, 12 19 10 20 SYMBOL 1G 1A1 to 1A4 2Y1 to 2Y4 2A1 to 2A4 1Y1 to 1Y4 2G GN……
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