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Octal 3-State Buffer/Line Driver IC - 74HC541
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The 74HC Series 74HC541 IC is an octal non-inverting buffer/line driver with 3-state outputs. The device features two output enables (OE1 and OE2). A HIGH on OEn causes the outputs to assume a high-impedance OFF-state.
Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.ย
check out :ย Octal 3-State Buffer/Line Driver IC - 74HC244

| Supply Voltage (VCC) | ? 0.5 to + 7.0V |
| Input Clamping Current (IIK) | ยฑ 20 mA |
| Output Voltage (VOUT) | ? 0.5 to VCC + 0.5V |
| Output Clamping Current (IOK) | ยฑ 20 mA |
| Output Current (IO) | ยฑ 35 mA |
| DC VCC or GND Current, per pin (ICC, IGND) | ยฑ 70 mA |
| Storage Temperature Range (TSTG) | ? 65ยฐC to + 150ยฐC |
| Power Dissipation (PD) (Note 4) | 500 mW |