SN54HCT244-SP Texas instruments

SN54HCT244-SP

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SN54HCT244-SP

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Описание

These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clockdrivers, and bus-oriented receivers and transmitters. The SNx4HCT244 devices are organized as two 4-bit buffers or drivers with separate output-enable (OE) inputs. When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

Operating Voltage Range of 4.5 V to 5.5 V
High-Current Outputs Drive up to 15 LSTTL Loads
Low Power Consumption: 80-µA Maximum I_CC
Typical t_pd = 13 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Maximum
Inputs Are TTL-Voltage Compatible
3-State Outputs Drive Bus Lines and Buffer Memory Address Registers

Technology family	HCT
Supply voltage (min) (V)	4.5
Supply voltage (max) (V)	5.5
Number of channels	8
IOL (max) (mA)	6
Supply current (max) (µA)	80
IOH (max) (mA)	-6
Input type	TTL-Compatible CMOS
Output type	3-State
Features	Balanced outputs, Very high speed (tpd 5-10ns)
Rating	Space
Operating temperature range (°C)	-55 to 125