SN74HC245DWR Integrated Circuit Chip OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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SN74HC245DWR OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. The 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 are effectively isolated. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) .
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. ±20 mA Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . .
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. ±35 mA Package thermal impedance, θJA (see Note 2): DB package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70°C/W
DW package 58 . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . .58 °C/W NS package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60°C/W
PW package . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 80°C/W
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