SN54LS245-SP Texas instruments

SN54LS245-SP

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SN54LS245-SP

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Описание

These octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. The SNx4LS245 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 disable the device so that the buses are effectively isolated.

3-State Outputs Drive Bus Lines Directly
PNP Inputs Reduce DC Loading on Bus Lines
Hysteresis at Bus Inputs Improves Noise Margins
Typical Propagation Delay Times Port to Port, 8 ns

Supply voltage (min) (V)	4.5
Supply voltage (max) (V)	5.5
Number of channels	8
IOL (max) (mA)	12
IOH (max) (mA)	-12
Input type	TTL
Output type	TTL
Features	Balanced outputs, High speed (tpd 10-50ns)
Technology family	LS
Rating	Space
Operating temperature range (°C)	-55 to 125