供应三态输出的八路缓冲器/驱动器 HB244

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供应三态输出的八路缓冲器/驱动器 HB244

 

HB244
Voltage Nodes(V) 5  
Vcc range(V) 4.5 to 5.5  
Logic True  
Input Level TTL  
Output Level CMOS  
Output Drive(mA) -8/8  
No. of Outputs 8  
tpd max(ns) 9.5  
Static Current 0.04  
Rating Catalog  
Technology Family AHCT  

 

特性

说明

These octal buffers/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 ’HB244 devices are organized as two 4-bit buffers/line drivers with separate output-enable (OE)\ inputs. When OE\ is low, the device passes data from the A inputs to the Y outputs. When OE\ is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver

型号/规格

HB244

品牌/商标

TI