SN54HCT245-SP Texas instruments

SN54HCT245-SP

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SN54HCT245-SP

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Описание

The SNx4HCT245 octal bus transceivers are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.The SNx4HCT245 devices allow 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 device so that the buses are effectively isolated.

Operating voltage range of 4.5 V to 5.5 V
High-Current 3-state outputs drive bus lines directly or up to 15-LSTTL loads
Low power consumption, 80-µA maximum I_CC
Typical t_pd = 14 ns
±6-mA output drive at 5 V
Low input current of 1 µA maximum
Inputs are TTL-voltage compatible

Supply voltage (min) (V)	4.5
Supply voltage (max) (V)	5.5
Number of channels	8
IOL (max) (mA)	6
IOH (max) (mA)	-6
Input type	TTL
Output type	CMOS
Features	Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode
Technology family	HCT
Rating	Space
Operating temperature range (°C)	-55 to 125