(China (Mainland))
Product Summary
The SN74AHC245DWR is a octal bus transceiver.The SN74AHC245DWR is designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. The SN74AHC245DWR 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.
Parametrics
SN74AHC245DWR absolute maximum ratings: (1)Supply voltage range, VCC: –0.5 V to 7 V; (2)Input voltage range, VI (see Note 1): Control inputs: –0.5 V to 7 V; (3)I/O, Output voltage range, VO (see Note 1): –0.5 V to VCC + 0.5 V; (4)Input clamp current, IIK (VI < 0): Control inputs: –20 mA; (5)I/O, Output clamp current, IOK (VO < 0 or VO > VCC): ±20 mA; (6)Continuous output current, IO (VO = 0 to VCC): ±25 mA; (7)Continuous current through VCC or GND: ±75 mA; (8)Package thermal impedance, θJA (see Note 2): DB package: 70°C/W; (9)Package thermal impedance, θJA (see Note 2): DGV package: 92°C/W; (10)Package thermal impedance, θJA (see Note 2): DW package: 58°C/W; (11)Package thermal impedance, θJA (see Note 2): N package: 69°C/W; (12)Package thermal impedance, θJA (see Note 2): PW package: 83°C/W; (13)Storage temperature range, Tstg: –65°C to 150°C.
Features
SN74AHC245DWR features: (1)Operating Range 2-V to 5.5-V VCC; (2)Latch-Up Performance Exceeds 250 mA Per JESD 17.
Diagrams
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 SN74AHC245DWR |
Texas Instruments |
Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
Data Sheet |
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SN74AHC245DWRE4 |
Texas Instruments |
Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
Data Sheet |
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SN74AHC245DWRG4 |
Texas Instruments |
Bus Transceivers Octal Bus Transceivers |
Data Sheet |
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