SN74AHCT245DWR OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS led driver circuit
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SN74AHCT245DWR OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS led driver circuit► Inputs Are TTL-Voltage Compatible ►Latch-Up Performance Exceeds 250 mA Per JESD 17 ► ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) − 1000-V Charged-Device Model (C101)
Description/ordering information These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.
The ’AHCT245 devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses effectively are isolated. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
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