SN64BCT244 Octal Buffer/Driver With 3-State Outputs | TI.com

SN64BCT244
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Octal Buffer/Driver With 3-State Outputs

Octal Buffer/Driver With 3-State Outputs - SN64BCT244
Datasheet
 

Description

This octal buffer and line driver is designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Taken together with the SN64BCT240 and SN64BCT241, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable () inputs, and complementary OE and inputs.

The SN64BCT244 is organized as two 4-bit buffers/line drivers with separate output-enable () inputs. When is low, the device passes data from the A inputs to the Y outputs. When is high, the outputs are in the high-impedance state.

The outputs are in a high-impedance state during power up and power down while the supply voltage is less than approximately 3 V.

The SN64BCT244 is characterized for operation from -40°C to 85°C.

Features

  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • 3-State Outputs Drive Bus Lines or Buffer-Memory Address Registers
  • P-N-P Inputs Reduce DC Loading
  • High-Impedance State During Power Up and Power Down
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic 300-mil DIPs (N)

Parametrics

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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Channels (#) IOL (Max) (mA) IOH (Max) (mA) ICC (uA) Input type Output type Features Data rate (Mbps) Rating Package Group
SN64BCT244 Order now BCT     4.5     5.5     8     64     -15     80000     TTL-Compatible CMOS     3-State     Very high speed (tpd 5-10ns)
Power up 3-state    
140     Catalog     SOIC | 20
SO | 20