Anterwell Technology Ltd.
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74LCX244
Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs
General Description
The LCX244 contains eight non-inverting buffers with 3-STATE outputs. The device may be employed as a memory address driver, clock driver and bus-oriented transmitter/receiver. The LCX244 is designed for low voltage (2.5V or 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The LCX244 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.
Features
■ 5V tolerant inputs and outputs
■ 2.3V to 3.6V VCC specifications provided
■ 6.5 ns tPD max (VCC 3.3V), 10 PA ICC max
■ Power down high impedance inputs and outputs
■ Supports live insertion/withdrawal (Note 1)
■ r24 mA output drive (VCC 3.0V)
■ Implements patented noise/EMI reduction circuitry
■ Latch-up performance exceeds 500 mA
■ ESD performance: Human body model ! 2000V Machine model ! 200V
■ Leadless DQFN Pb-Free package
Note 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 or the resistor is determined by the current-sourcing capability of the driver.
Absolute Maximum Ratings(Note 5)
| Symbol | Parameter | Value | Conditions | Unit |
| VCC | Supply Voltage | 0.5 to 7.0 | V | |
| VI | DC Input Voltage | 0.5 to 7.0 | V | |
| V0 | DC Output Voltage | 0.5 to 7.0 0.5 to VCC 0.5 | Output in 3-STATE Output in HIGH or LOW State (Note 6) | V |
| IIK | DC Input Diode Current | -50 | VI> GND | mA |
| IOK | DC Output Diode Current | -50 +50 | VO > GND VO >VCC | mA |
| IO | DC Output Source/Sink Current | ±50 | mA | |
| ICC | DC Supply Current per Supply Pin | ±100 | mA | |
| IGND | DC Ground Current per Ground Pin | ±100 | mA | |
| TSTG | Storage Temperature | -65 to +150 | ℃ |
