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See Technical Specifications

SN74LS244DBR

8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs

Manufacturer:

TI
Mfr.Part #:

SN74LS244DBR
Datasheet:

SN74LS244DBR Datasheet (PDF)
Technology family:

LS
Supply voltage (min) (V):

4.75
Supply voltage (max) (V):

5.25
Number of channels:

8
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SN74LS244DBR General Description

The SNx4LS24x, SNx4S24x octal buffers and line drivers are designed specifically to improve both the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The designer has a choice of selected combinations of inverting and non-inverting outputs, symmetrical, active-low output-control (G) inputs, and complementary output-control (G and G) inputs. These devices feature high fan-out, improved fan-in, and 400-mV noise margin. The SN74LS24x and SN74S24x devices can be used to drive terminated lines down to 133 Ω.

Key Features

Inputs Tolerant Down to 2 V, Compatible With 3.3-V or 2.5-V Logic Inputs
Maximum t_pd of 15 ns at 5 V
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
PNP Inputs Reduce DC Loading
Hysteresis at Inputs Improves Noise Margins

Specifications

Technology family	LS	Supply voltage (min) (V)	4.75
Supply voltage (max) (V)	5.25	Number of channels	8
IOL (max) (mA)	24	Supply current (max) (µA)	50000
IOH (max) (mA)	-15	Input type	Bipolar
Output type	3-State	Features	High speed (tpd 10-50ns), Input clamp diode
Rating	Catalog	Operating temperature range (°C)	0 to 70