SN74LVC125A Quadruple Bus Buffer Gate With 3-State Outputs | TI.com

SN74LVC125A
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Quadruple Bus Buffer Gate With 3-State Outputs

 

Description

This quadruple bus buffer gate is designed for 1.65-V to 3.6-V VCC operation.

The SN74LVC125A device features independent line drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.

To ensure the high-impedance state during power up or power down, 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.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment.

Features

  • 3-State Outputs
  • Separate OE for all 4 buffers
  • Operates From 1.65 V to 3.6 V
  • Specified From –40°C to 85°C
    and –40°C to 125°C
  • Inputs Accept Voltages to 5.5 V
  • Max tpd of 4.8 ns at 3.3 V
  • Typical VOLP (Output Ground Bounce)
    < 0.8 V at VCC = 3.3 V, TA = 25°C
  • Typical VOHV (Output VOH Undershoot)
    > 2 V at VCC = 3.3 V, TA = 25°C
  • Latch-Up Performance Exceeds 250 mA
    Per JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model
    • 200-V Machine Model
    • 1000-V Charged-Device Model
  • APPLICATIONS
    • Cable Modem Termination Systems
    • IP Phones: Wired and Wireless
    • Optical Modules
    • Optical Networking:
      • EPON or Video Over Fiber
    • Point-to-Point Microwave Backhaul
    • Power: Telecom DC/DC Modules:
      • Analog or Digital
    • Private Branch Exchanges (PBX)
    • TETRA Base Stations
    • Telecom Base Band Units
    • Telecom Shelters:
      • Filter Units
      • Power Distribution Units (PDU)
      • Power Monitoring Units (PMU)
      • Wireless Battery Monitoring
      • Remote Electrical Tilt Units (RET)
      • Remote Radio Units (RRU)
      • Tower Mounted Amplifiers (TMA)
    • Vector Signal Analyzers and Generators
    • Video Conferencing: IP-Based HD
    • WiMAX and Wireless Infrastructure Equipment
    • Wireless Communications Testers
    • xDSL Modems and DSLAM

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Parametrics

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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Channels (#) IOL (Max) (mA) IOH (Max) (mA) ICC (uA) Input type Output type Features Data rate (Mbps) Rating Operating temperature range (C) Package Group
SN74LVC125A Order now LVC     1.65     3.6     4     24     -24     40     Standard CMOS     3-State     Balanced outputs
Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs    
200     Catalog     -40 to 125     SOIC | 14
SO | 14
SSOP | 14
TSSOP | 14
VQFN | 14    
SN74LVC125A-EP Samples not available LVC     1.65     3.6     4     24     -24     10     Standard CMOS     3-State     Balanced outputs
Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs    
200     HiRel Enhanced Product     -40 to 85
-55 to 125    
SOIC | 14
TSSOP | 14    
SN74LVC125A-Q1 Order now LVC     1.65     3.6     4     24     -24     20     Standard CMOS     3-State     Balanced outputs
Very high speed (tpd 5-10ns)
Over-voltage tolerant inputs    
200     Automotive     -40 to 125     SOIC | 14
TSSOP | 14