SN74ABT244A

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Búferes de 8 canales, 4.5 V a 5.5 V con entradas CMOS compatibles con TTL y salidas de 3 estados

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Hoja de datos

document-pdfAcrobat SN54ABT244, SN74ABT244A datasheet (Rev. J) (Inglés)

SN74ABT244A

ACTIVO

Hoja de datos

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Detalles del producto

Technology family

ABT

Number of channels

8

IOL (max) (mA)

64

Supply current (max) (µA)

30000

IOH (max) (mA)

-32

Input type

TTL-Compatible CMOS

Output type

3-State

Features

Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns)

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Technology family

ABT

Number of channels

8

IOL (max) (mA)

64

Supply current (max) (µA)

30000

IOH (max) (mA)

-32

Input type

TTL-Compatible CMOS

Output type

3-State

Features

Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns)

Rating

Catalog

Operating temperature range (°C)

-40 to 85

SSOP (DB)

20

56.16 mm² (7.2 mm × 7.8 mm)

PDIP (N)

20

228.702 mm² (24.33 mm × 9.4 mm)

SOP (NS)

20

98.28 mm² (12.6 mm × 7.8 mm)

TSSOP (PW)

20

41.6 mm² (6.5 mm × 6.4 mm)

SOIC (DW)

20

131.84 mm² (12.8 mm × 10.3 mm)

State-of-the-Art EPIC-IIB™ BiCMOS Design Significantly Reduces Power Dissipation
Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Typical V_OLP (Output Ground Bounce) < 1 V at V_CC = 5 V, T_A = 25°C
High-Drive Outputs (-32-mA I_OH, 64-mA I_OL)
Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Plastic (N) and Ceramic (J) DIPs, and Ceramic Flat (W) Package

EPIC-IIB is a trademark of Texas Instruments.

State-of-the-Art EPIC-IIB™ BiCMOS Design Significantly Reduces Power Dissipation
Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Typical V_OLP (Output Ground Bounce) < 1 V at V_CC = 5 V, T_A = 25°C
High-Drive Outputs (-32-mA I_OH, 64-mA I_OL)
Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Plastic (N) and Ceramic (J) DIPs, and Ceramic Flat (W) Package

EPIC-IIB is a trademark of Texas Instruments.

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. Together with the SN54ABT240, SN74ABT240A, SN54ABT241, and SN74ABT241A, 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.

The SN54ABT244 and SN74ABT244A are organized as two 4-bit buffers/line drivers with separate OE\ inputs. When OE\ is low, the devices pass noninverted data from the A inputs to the Y outputs. When OE\ is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT244A is characterized for operation from -40°C to 85°C.

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. Together with the SN54ABT240, SN74ABT240A, SN54ABT241, and SN74ABT241A, 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.

The SN54ABT244 and SN74ABT244A are organized as two 4-bit buffers/line drivers with separate OE\ inputs. When OE\ is low, the devices pass noninverted data from the A inputs to the Y outputs. When OE\ is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT244A is characterized for operation from -40°C to 85°C.

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés	Fecha
*	Hoja de datos	SN54ABT244, SN74ABT244A datasheet (Rev. J)			6/04/2005

Diseño y desarrollo

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