SN54HC244-SP Texas instruments

SN54HC244-SP

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SN54HC244-SP

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Описание

The SNx4HC244 octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The SNx4HC244 devices are organized as two 4-bit buffers and 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.

Wide Operating Voltage Range of 2 V to 6 V
High-Current Outputs Drive Up to 15 LSTTL Loads
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Low Power Consumption: I_CC, 80-µA (Maximum)
Typical t_pd = 11 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA (Maximum)
On Products Compliant to MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

Technology family	HC
Supply voltage (min) (V)	2
Supply voltage (max) (V)	6
Number of channels	8
IOL (max) (mA)	7.8
Supply current (max) (µA)	80
IOH (max) (mA)	-7.8
Input type	Standard CMOS
Output type	3-State
Features	Balanced outputs, Very high speed (tpd 5-10ns)
Rating	Space
Operating temperature range (°C)	-55 to 125