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SN74LVTH32245

Features: · Member of the Texas Instruments Widebus+™ Family· State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low Static-Power Dissipation· Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C· Ioff and Power-Up 3-State Support Hot Insertio...

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SeekIC No. : 004499495 Detail

SN74LVTH32245: Features: · Member of the Texas Instruments Widebus+™ Family· State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low Static-Power Dissipation· Typical VOLP (Outpu...

SN74LVTH32245 Data Sheet

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Part Number:
SN74LVTH32245
Supply Ability:
5000

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

Description



Features:

· Member of the Texas Instruments
      Widebus+™ Family
· State-of-the-Art Advanced BiCMOS
     Technology (ABT) Design for 3.3-V
     Operation and Low Static-Power
     Dissipation
· Typical VOLP (Output Ground Bounce)
     <0.8 V at VCC = 3.3 V, TA = 25°C
· Ioff and Power-Up 3-State Support Hot
    Insertion
· Supports Unregulated Battery Operation
    Down to 2.7 V
· Supports Mixed-Mode Signal Operation
    (5-V Input and Output Voltages With
    3.3-V VCC)
· Bus Hold on Data Inputs Eliminates the
    Need for External Pullup/Pulldown
    Resistors
· Latch-Up Performance Exceeds 100 mA Per
    JESD 78, Class II
· ESD Protection Exceeds JESD 22
    − 2000-V Human-Body Model (A114-A)
    − 200-V Machine Model (A115-A)
    − 1000-V Charged-Device Model (C101)


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. −0.5 V to4.6V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. −0.5 V to7 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 128mA
Current into any output in the high state, IO (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  −50mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . .  −50mA
Package thermal impedance, JA (see Note 3): GKE/ZKE package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . −65°C tO150°C


Description

The SN74LVTH32245 is a 32-bit noninverting 3-state transceiver designed for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment.

This device SN74LVTH32245 can be used as four 8-bit transceivers, two 16-bit transceivers, or one 32-bit transceiver. The device allows data transmission 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 that the buses are effectively isolated.

When VCC is between 0 and 1.5 V, the device SN74LVTH32245 is 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.

This device SN74LVTH32245 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 holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended




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