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SN74LVT241PW, SN74LVT244A, SN74LVT244ADBLE

Table of contents:
Info of SN74LVT241PW
Info of SN74LVT244A
Info of SN74LVT244ADBLE

SN74LVT241PW, SN74LVT244A, SN74LVT244ADBLE Selling Leads, Datasheet

MFG:TI Package Cooled:SMD D/C:96

SN74LVT241PW, SN74LVT244A, SN74LVT244ADBLE Picture

SN74LVT241PW, SN74LVT244A, SN74LVT244ADBLE Datasheet download

Five Points

Part Number: SN74LVT241PW

MFG: TI

Package Cooled: SMD

D/C: 96

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SN74LVT244A General Description

These octal buffers and line drivers are designed specifically for low-voltage (3.3-V) V_CC operation, but with the capability to provide a TTL interface to a 5-V system environment.

The 4LVT244A is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

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 SN74LVT244A is available in TI's shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.

The SN54LVT244A is characterized for operation over the full military temperature range of 55°C to 125°C.

The SN74LVT244A is characterized for operation from 40°C to 85°C.

SN74LVT244A Maximum Ratings

Supply voltage range, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 4.6 V
Input voltage range, V_I (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, V_O (see Note 1) . . . 0.5 V to 7 V
Current into any output in the low state, I_O: SN54LVT244A . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 96 mA
                                                                       SN74LVT244A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Current into any output in the high state, I_O (see Note 2): SN54LVT244A . . . . . . . . . . . . . . . . . . .. . . . 48 mA
                                                                                             SN74LVT244A . . . . . . . . . . . . . . . . . . .. . . . 64 mA
Input clamp current, I_IK(V_I< 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Output clamp current, I_OK (V_O < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Maximum power dissipation at T_A= 55°C (in still air) (see Note 3): DB package . . . . . . . . . . . . . .. . . . 0.6 W
                                                                                                          DW package . . . . . . . . . . . . . . . . . . 1.6 W
                                                                                                          PW package . . . . . . . . . . . . . . . . . . 0.7 W
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C

‡ Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current will only flow when the output is in the high state and V_O > V_CC.
3. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils. For more information, refer to the Package Thermal Considerations application note.

SN74LVT244A Features

• State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low-Static Power Dissipation
• Supports Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V V_CC)
• Supports Unregulated Battery Operation Down to 2.7 V
• Typical VOLP (Output Ground Bounce) < 0.8 V at V_CC = 3.3 V, T_A = 25°C
• Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
• Bus-Hold Data Inputs Eliminate the Need for External Pullup Resistors
• Supports Live Insertion
• Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), and Ceramic DIPs (J)

SN74LVT244A Connection Diagram

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