SN74BCT244 Octal Buffers/Drivers With 3-State Outputs | TI.com

SN74BCT244
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Octal Buffers/Drivers With 3-State Outputs

Octal Buffers/Drivers With 3-State Outputs - SN74BCT244
Datasheet
 

Description

These 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. Taken together with the ´BCT240 and ´BCT241, 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 ´BCT244 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 SN54BCT244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74BCT244 is characterized for operation from 0°C to 70°C.

Features

  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • P-N-P Inputs Reduce DC Loading
  • ESD Protection Exceeds 2000 V
    Per MIL-STD-883C, Method 3015
  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • Package Options Include Plastic Small-Outline (DW) and Shrink Small-Outline (DB) Packages, Ceramic Chip Carriers (FK) and Flatpacks (W), and Standard Plastic and Ceramic 300-mil DIPs (J, 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 Operating temperature range (C) Package Group
SN74BCT244 Order now BCT     4.5     5.5     8     64     -15     80000     Bipolar     3-State     Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs    
140     Catalog     0 to 70     PDIP | 20
SOIC | 20
SO | 20    
SN54BCT244 Samples not available BCT     4.5     5.5     8     64     -15     80000     Bipolar     3-State     Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs    
140     Military     -55 to 125     CDIP | 20
CFP | 20
LCCC | 20