(China (Mainland))
Product Summary
The SN74ALS245AN is an octal bus transceiver. The device is designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. The SN74ALS245AN allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the SN74ALS245AN so that the buses are effectively isolated. The -1 version of the SN74ALS245AN is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA. There is no -1 version of the SN74ALS245AN.
Parametrics
SN74ALS245AN absolute maximum ratings: (1)Supply voltage, VCC: 7V; (2)Input voltage, VI: All inputs: 7V; (3)I/O ports: 5.5V; (4)Package thermal impedance, θJA: 60℃/W; (5)Storage temperature range: –65 to 150℃.
Features
SN74ALS245AN features: (1)4.5-V to 5.5-V VCC Operation; (2)Max tpd of 5.5 ns at 5 V; (3)3-State Outputs Drive Bus Lines Directly; (4)pnp Inputs Reduce dc Loading.
Diagrams
| Image | Part No | Mfg | Description |  |
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 SN74ALS245AN |
Texas Instruments |
Bus Transceivers Tri-State Octal |
Data Sheet |
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SN74ALS245ANE4 |
Texas Instruments |
Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
Data Sheet |
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SN74ALS245ANSR |
Texas Instruments |
Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
Data Sheet |
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SN74ALS245ANSRG4 |
Texas Instruments |
Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
Data Sheet |
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SN74ALS245ANSRE4 |
Texas Instruments |
Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs |
Data Sheet |
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