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74LCX540 Folha de dados(PDF) 1 Page - Fairchild Semiconductor |
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74LCX540 Folha de dados(HTML) 1 Page - Fairchild Semiconductor |
1 / 14 page tm May 2007 ©1995 Fairchild Semiconductor Corporation www.fairchildsemi.com 74LCX540 Rev. 1.1 74LCX540 Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs Features ■ 5V tolerant input and outputs ■ 2.3V–3.6V VCC specifications provided ■ 6.5ns tPD max (VCC = 3.3V), 10µA ICC max ■ Power down high impedance inputs and outputs ■ Supports live insertion/withdrawal(1) ■ Implements patented noise/ EMI reduction circuitry ■ Latch-up performance exceeds JEDEC 78 conditions ■ ESD performance – Human body model > 2000V – Machine model > 200V ■ Leadless Pb-Free DQFN package General Description The LCX540 is an octal buffer/line driver designed to be employed as a memory and address driver, clock driver and bus oriented transmitter/receiver. This device is similar in function to the LCX240 while providing flow-through architecture (inputs on opposite side from outputs). This pinout arrangement makes this device especially useful as an output port for micropro- cessors, allowing ease of layout and greater PC board density. The LCX540 is designed for low voltage (2.5V or 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The LCX540 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipa- tion. Ordering Information Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Notes: 1. To ensure the high impedance state during power up or down, OE should be tied to VCC through a pull-up resistor: the minimum value of the resistor is determined by the current-sourcing capability of the driver. 2. DQFN package available in Tape and Reel only. 3. “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only. Order Number Package Number Package Description 74LCX540WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LCX540SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCX540BQX(2) MLP020B Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 4.5mm 74LCX540MSA MSA20 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 74LCX540MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74LCX540MTC_NL(3) MTC20 Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide |
Nº de peça semelhante - 74LCX540 |
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Descrição semelhante - 74LCX540 |
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