Texas Instruments SNJ54ABT2245J
- Part Number:
- SNJ54ABT2245J
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6405648-SNJ54ABT2245J
- Description:
- Octal Transceivers And Line/MOS Drivers With 3-State Outputs
- ECAD Model:
-
- Datasheet:
- sn54abt2245
- Supply voltage (min) (V)4.5
- Supply voltage (max) (V)5.5
- Number of channels8
- IOL (max) (mA)48
- IOH (max) (mA)-24
- Input typeTTL
- Output typeTTL
- FeaturesDamping resistors
- Technology familyABT
- RatingMilitary
- Operating temperature range (°C)-55 to 125
These octal transceivers and line drivers are designed for asynchronous communication between data buses. The devices transmit data 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 the buses are effectively isolated.
The B-port outputs, which are designed to sink up to 12 mA, include equivalent 25- series resistors to reduce overshoot and undershoot.
When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver.
The SN54ABT2245 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT2245 is characterized for operation from -40°C to 85°C.
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