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SN74ABTH245

Features: `State-of-the-Art EPIC-II BE BiCMOS Design Significantly Reduces Power Dissipation`Latch-Up Performance Exceeds 500 mA Per JESD 17`Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C`Ioff and Power-Up 3-State Support Hot Insertion`High-Drive Outputs (32-mA IOH, 64-mA IOL...

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SeekIC No. : 004497859 Detail

SN74ABTH245: Features: `State-of-the-Art EPIC-II BE BiCMOS Design Significantly Reduces Power Dissipation`Latch-Up Performance Exceeds 500 mA Per JESD 17`Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V...

SN74ABTH245 Data Sheet

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Part Number:
SN74ABTH245
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/24

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Product Details

Description



Features:

`State-of-the-Art EPIC-II BE BiCMOS Design Significantly Reduces Power Dissipation
`Latch-Up Performance Exceeds 500 mA Per JESD 17
`Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C
`Ioff and Power-Up 3-State Support Hot Insertion
`High-Drive Outputs (32-mA IOH, 64-mA IOL)
`Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
`Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), Thin Shrink Small-Outline (PW), and Thin Very Small-Outline (DGV) Packages, Ceramic Chip Carriers (FK), Plastic (N) and Ceramic (J) DIPs, and Ceramic Flat (W) Package


Specifications

Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 7 V
Input voltage range, VI (except I/O ports) (see Note 1) . . . . . . . . . . . . . . .  . .. .0.5 V to 7 V
Voltage range applied to any output in the high or power-off state, VO . . . . . 0.5 V to 5.5 V
Current into any output in the low state, IO: SN54ABTH245 . . . .  . . . . .  . . . . . . . . . . . .96 mA
                                                                       SN74ABTH245 .. . . . .   . .  . .. . . . . .  . . .. 128 mA      
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .18 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Package thermal impedance, JA (see Note 2)::DB package . . . . . . . . . . . . . . . . . . . . .70°C/W
                                                                           DGV package  . . . . . . . . . . . . . . . . . .  92°C/W
                                                                           DW package  . . . . . . . . . . . . . . . . .. . .58°C/W
                                                                           N package  . . . . . . . . . . . . . . . . . . . . . 69°C/W
                                                                           PW package  . . . . . . . . . . . . . . . . . . . .83°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .. . . . .65°C to 150°C


Description

These SN74ABTH245 octal bus transceivers are designed for asynchronous communication between data buses. The SN74ABTH245 devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated.

When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state of SN74ABTH245 above 2.1 V, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

This SN74ABTH245 device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.The SN54ABTH245 is characterized for operation over the full military temperature range of 55°C to 125°C.The SN74ABTH245 is characterized for operation from 40°C to 85°C.




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