SN74ALS244C Octal Buffers/Line Drivers with 3-State Outputs | TI.com

SN74ALS244C (ACTIVE) Octal Buffers/Line Drivers with 3-State Outputs

 

Description

These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. With the ´ALS240A, ´ALS241C, ´AS240A, and ´AS241A, these devices provide the choice of selected combinations of inverting outputs, symmetrical active-low output-enable () inputs, and complementary OE and inputs.

The -1 version of SN74ALS244C is identical to the standard version, except that the recommended maximum IOL for the -1 version is 48 mA. There is no -1 version of the SN54ALS244C.

The SN54ALS244C and SN54AS244A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS244C and SN74AS244A are characterized for operation from 0°C to 70°C.

 

 

Features

  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • pnp Inputs Reduce dc Loading
  • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

 

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
SN74ALS244C Order now ALS     4.5     5.5     8     24     -15     24000     Bipolar     3-State     Very high speed (tpd 5-10ns)     150     Catalog     0 to 70     PDIP | 20
SOIC | 20
SO | 20
SSOP | 20    
SN54ALS244C Samples not available ALS     4.5     5.5     8     24     -15     24000     Bipolar     3-State     Very high speed (tpd 5-10ns)     150     Military     -55 to 125     CDIP | 20
CFP | 20
LCCC | 20