SN74BCT2244

Name: SN74BCT2244
Brand: TI
SKU: SN74BCT2244
Price: 2.358 USD

現行

具有 3 態輸出的 8 通道 4.5-V 至 5.5-V 緩衝器

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產品規格表

document-pdfAcrobat SN54BCT2244, SN74BCT2244 datasheet (Rev. D) (英文)

產品詳細資料

Technology family

BCT

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Number of channels

8

IOL (max) (mA)

12

Supply current (max) (µA)

77000

IOH (max) (mA)

-12

Input type

Bipolar

Output type

3-State

Features

Balanced outputs, Damping resistors, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Rating

Catalog

Operating temperature range (°C)

0 to 70

Technology family

BCT

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Number of channels

8

IOL (max) (mA)

12

Supply current (max) (µA)

77000

IOH (max) (mA)

-12

Input type

Bipolar

Output type

3-State

Features

Balanced outputs, Damping resistors, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Rating

Catalog

Operating temperature range (°C)

0 to 70

PDIP (N)

20

228.702 mm² 24.33 x 9.4

SOIC (DW)

20

131.84 mm² 12.8 x 10.3

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

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

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 V_CC 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.

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 V_CC 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.

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