SN74AVC2T45 Dual-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs | TI.com

SN74AVC2T45 (ACTIVE)

Dual-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

 

Description

This 2-bit non-inverting bus transceiver uses two separate configurable power-supply rails. The A ports are designed to track VCCA and accepts any supply voltage from 1.2 V to 3.6 V. The B ports are designed to track VCCB and accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation and level-shifting between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVC2T45 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR pin) input activate either the B-port outputs or the A-port outputs. The device transmits data from the A bus to the B bus when the B-port outputs are activated and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports always is active and must have a logic HIGH or LOW level applied to prevent excess leakage current on the internal CMOS structure.

Features

  • Available in the Texas Instruments NanoFree™ Package
  • VCC Isolation Feature: If Either VCC Input Is at GND, Both Ports Are in the High-Impedance State
  • Dual Supply Rail Design
  • I/Os Are 4.6-V Over Voltage Tolerant
  • Ioff Supports Partial-Power-Down Mode Operation
  • Max Data Rates
    • 500 Mbps (1.8 V to 3.3 V)
    • 320 Mbps (<1.8 V to 3.3 V )
    • 320 Mbps (Level-Shifting to 2.5 V or 1.8 V)
    • 280 Mbps (Level-Shifting to 1.5 V)
    • 240 Mbps (Level-Shifting to 1.2 V)
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22

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Parametrics Compare all products in Direction controlled voltage translation

 
Technology Family
Bits (#)
VCC (Min) (V)
VCC (Max) (V)
Voltage (Nom) (V)
F @ Nom Voltage (Max) (Mhz)
ICC @ Nom Voltage (Max) (mA)
Rating
Package Group
Operating Temperature Range (C)
SN74AVC2T45 SN74AVC2T244 SN74AVC2T245 SN74AVC2T45-Q1 SN74AVCH2T45 SN74LVC2T45 SN74LVC2T45-Q1 TXB0102 TXS0102 TXS0102-Q1
AVC     AVC     AVC     AVC     AVC     LVC     LVC     TXB     TXS     TXS    
2     2     2     2     2     2     2     2     2     2    
1.2     0.9     1.2     1.2     1.2     1.65     1.65     1.2     1.65     1.65    
3.6     3.6     3.6     3.6     3.6     5.5     5.5     5.5     5.5     5.5    
1.2
1.5
1.8
2.5
3.3    
0.9
1.2
1.5
1.8
2.5
3.3    
1.2
1.5
1.8
2.5
3.3    
1.2
1.5
1.8
2.5
3.3    
1.2
1.5
1.8
2.5
3.3    
1.8
2.5
3.3
5    
1.8
2.5
3.3
5    
3.3     3.3     3.3    
100     100     100     100     100     150     150     50     12     12    
0.0008     0.0009     0.0008     0.01     0.01     0.004     0.004     0.005     0.012     0.012    
Catalog     Catalog     Catalog     Automotive     Catalog     Catalog     Automotive     Catalog     Catalog     Automotive    
DSBGA | 8
SM8 | 8
VSSOP | 8    
X2SON | 8
X2SON | 8    
UQFN | 10     VSSOP | 8     DSBGA | 8
SM8 | 8
VSSOP | 8    
DSBGA | 8
SM8 | 8
VSSOP | 8    
VSSOP | 8     DSBGA | 8
VSSOP | 8    
DSBGA | 8
SM8 | 8
VSSOP | 8
X2SON | 8
X2SON | 8    
VSSOP | 8    
-40 to 85     -40 to 85     -40 to 85     -40 to 125     -40 to 85     -40 to 85     -40 to 125     -40 to 85     -40 to 85     -40 to 125