SN74BCT2244 Octal Buffers And Line/MOS Drivers With 3-State Outputs | TI.com

SN74BCT2244
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Octal Buffers And Line/MOS Drivers With 3-State Outputs

Octal Buffers And Line/MOS Drivers With 3-State Outputs - SN74BCT2244
Datasheet
 

Description

The ’BCT2244 devices are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Together with the ’BCT2240 devices and SN74BCT2241, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable (OE)\ inputs, and complementary OE and OE\ inputs. These devices feature high fan-out and improved fan-in.

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.

The outputs, which are designed to source or sink up to 12 mA, include 33- series resistors to reduce overshoot and undershoot.

Features

  • Operating Voltage Range of 4.5 V to 5.5 V
  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • Output Ports Have Equivalent 33- Series
  • Resistors, So No External Resistors Are Required
  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers

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
SN74BCT2244 Order now BCT     4.5     5.5     8     12     -12     77000     Bipolar     3-State     Balanced outputs
Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs
Damping resistors    
140     Catalog     0 to 70     PDIP | 20
SOIC | 20
SO | 20    
SN54BCT2244 Samples not available BCT     4.5     5.5     8     12     -12     77000     Bipolar     3-State     Balanced outputs
Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs
Damping resistors    
140     Military     -55 to 125     CDIP | 20
LCCC | 20