SN74AVC1T45 product image


Voltage Levels Single-Bit Bus Transceiver
Texas Instruments


The SN74AVC1T45 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) 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 ICC and ICCZ.


SN74AVC1T45 Features


· Available in the Texas Instruments NanoFree™ Package

· Fully Configurable Dual-Rail Design Allows 
  Each Port to Operate Over the Full 1.2-V to
  3.6-V Power-Supply Range
· VCC Isolation Feature - If Either VCC Input Is at
  GND, Both Ports Are in the High-Impedance State
· DIR Input Circuit Referenced to VCCA
· ±12-mA Output Drive at 3.3 V
· I/Os Are 4.6-V Tolerant
· Ioff Supports Partial-Power-Down Mode Operation
· Typical Max Data Rates
 – 500 Mbps (1.8-V to 3.3-V Translation)
 – 320 Mbps (<1.8-V to 3.3-V Translation)
 – 320 Mbps (Translate to 2.5 V or 1.8 V)
 – 280 Mbps (Translate to 1.5 V)
– 240 Mbps (Translate to 1.2 V)
· 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)
Propagation Delay Time5.6 ns
Supply Voltage - Max3.6 V
Supply Voltage - Min1.2 V
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature- 40 C
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