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SN74LVTH245A

Features: *State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low Static-Power Dissipation* Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)* Support Unregulated Battery Operation Down to 2.7 V* Typical VOLP (Output Ground Bounce) <...

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SeekIC No. : 004499490 Detail

SN74LVTH245A: Features: *State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low Static-Power Dissipation* Support Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-...

SN74LVTH245A Data Sheet

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Part Number:
SN74LVTH245A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
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Product Details

Description



Features:

* State-of-the-Art Advanced BiCMOS
   Technology (ABT) Design for 3.3-V
   Operation and Low Static-Power
   Dissipation
* Support Mixed-Mode Signal Operation (5-V
   Input and Output Voltages With 3.3-V VCC)
* Support Unregulated Battery Operation
   Down to 2.7 V
* Typical VOLP (Output Ground Bounce)
   < 0.8 V at VCC = 3.3 V, TA = 25
* Ioff and Power-Up 3-State Support Hot
   Insertion
* Bus Hold on Data Inputs Eliminates the
   Need for External Pullup/Pulldown
   Resistors
* Latch-Up Performance Exceeds 500 mA Per
   JESD 17
* ESD Protection Exceeds 2000 V Per
   MIL-STD-883, Method 3015; Exceeds 200 V
   Using Machine Model (C = 200 pF, R = 0)
* Package Options Include Plastic
   Small-Outline (DW), Shrink Small-Outline
   (DB), and Thin Shrink Small-Outline (PW)
   Packages, Ceramic Chip Carriers (FK),
   Ceramic Flat (W) Packages, and Ceramic
   (J) DIPs


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . .0.5 V to 4.6 V
Input voltage range, VI (see Note 1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . .0.5 V to 7 V
Voltage range applied to any output in the high-impedance
or power-off state, VO (see Note 1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .0.5 V to 7 V
Voltage range applied to any output in the high state, VO (see Note 1)  . . . . . . . . . . . . .0.5 V to VCC + 0.5 V
Current into any output in the low state, IO: SN54LVTH245A . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .96 mA 
                                                                       SN74LVTH245A . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .128 mA
Current into any output in the high state, IO (see Note 2): SN54LVTH245A . . . . . . . . . . . .... . . . . . . . . . .48 mA
                                                                                             SN74LVTH245A . . . . . . . . . . . .... . . . . . . . . . .64 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . .50 mA
Output clamp current, IOK (VO < 0)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . .50 mA
Package thermal impedance, JA (see Note 3): DB package  . . . . . . . . . . . . . . . . . . . . .. ... . . . . . . . . . .115/W
                                                                           DW package  . . . . . . . . . . . . . . . . . . . . .. .. . . . . .. . . . . .97/W
                                                                           PW package  . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .128/W
Storage temperature range, Tstg  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ...... . . . .65 to 150


Description

These octal bus transceivers SN74LVTH245A are designed specifically for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment.

These devices SN74LVTH245A are designed for asynchronous communication between data buses. They 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 devices so the buses are effectively isolated.

Active bus-hold circuitry is provided by SN74LVTH245A to hold unused or floating data inputs at a valid logic level.

When VCC is between 0 and 1.5 V, the devices SN74LVTH245A are in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 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.

These devices SN74LVTH245A are 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 devices when they are 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.

The SN54LVTH245A is characterized for operation over the full military temperature range of 55 to 125. The SN74LVTH245A is characterized for operation from 40 to 85.




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