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74AVC1T45 - SINGLE BIT DUAL POWER SUPPLY TRANSLATING TRANSCEIVER

General Description

The 74AVC1T45 is a single bit, dual supply transceiver with tri-state outputs suitable for transmitting a single logic bit across different voltage domains.

The A input/output pin is designed to track VCCA while the B input/output tracks VCCB.

Key Features

  • Wide Supply Voltage Range:.
  • VCC(A): from 1.2V to 3.6V.
  • VCC(B): from 1.2V to 3.6V.
  • ± 12mA Output Drive at 3.3V.
  • High Noise Immunity.
  • (100mV Hysteresis Typical).
  • IOFF Supports Partial-Power-Down Mode Operation.
  • IOFF Controlled by Either VCC at 0V.
  • Inputs Accept up to 4.6V.
  • ESD Protection Exceeds JESD 22.
  • 200-V Machine Model (A115).
  • 2000-V Human Body Model (A114).
  • 1000 V Charged Device Model ( C101).

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Full PDF Text Transcription (Reference)

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74AVC1T45 SINGLE BIT DUAL POWER SUPPLY TRANSLATING TRANSCEIVER WITH 3 STATE OUTPUTS Description The 74AVC1T45 is a single bit, dual supply transceiver with tri-state outputs suitable for transmitting a single logic bit across different voltage domains. The A input/output pin is designed to track VCCA while the B input/output tracks VCCB. This arrangement allows for universal low-voltage translation between any voltages from 1.2V to 3.6V. The Direction pin (DIR) controls the direction of the transceiver and in a logic voltage related to VCCA. When a high logic level is applied to DIR the A pin becomes an input and the B pin becomes the output. Conversely the roles of A and B are reversed when DIR is asserted low.