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SN74AXC4T774-Q1

AKTIV

Bustransceiver für die Automobilindustrie, 4 Bit, 2 Spannungsversorgungen, mit Tri-State-Ausgängen u

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Datenblatt

SN74AXC4T774-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Technology family AXC Applications SPI, UART, JTAG, I2S Bits (#) 4 High input voltage (min) (V) 0.45 High input voltage (max) (V) 3.6 Vout (min) (V) 0.65 Vout (max) (V) 3.6 Data rate (max) (Mbps) 310 IOH (max) (mA) -12 IOL (max) (mA) 12 Supply current (max) (µA) 40 Features Output enable, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc isolation Input type Standard CMOS Output type 3-State Rating Automotive Operating temperature range (°C) -40 to 125
Technology family AXC Applications SPI, UART, JTAG, I2S Bits (#) 4 High input voltage (min) (V) 0.45 High input voltage (max) (V) 3.6 Vout (min) (V) 0.65 Vout (max) (V) 3.6 Data rate (max) (Mbps) 310 IOH (max) (mA) -12 IOL (max) (mA) 12 Supply current (max) (µA) 40 Features Output enable, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc isolation Input type Standard CMOS Output type 3-State Rating Automotive Operating temperature range (°C) -40 to 125
TSSOP (PW) 16 32 mm² 5 x 6.4 UQFN (RSV) 16 4.68 mm² 2.6 x 1.8 WQFN (BQB) 16 8.75 mm² 3.5 x 2.5
  • AEC-Q100 qualified for automotive applications
  • Fully configurable dual-rail design allows each port to operate with a power supply range from 0.65V to 3.6V
  • Operating temperature from –40°C to +125°C
  • Independent direction control pins to allow configurable up and down translation
  • Glitch-free power supply sequencing
  • Up to 310Mbps support when translating from 1.8V to 3.3V
  • VCC Isolation Feature:
    • If either VCC input is below 100mV, all I/Os outputs are disabled and become high-impedance
  • Ioff supports partial-power-down mode operation
  • Compatible with AVC family level shifters
  • Latch-up performance exceeds 100mA per JESD 78, Class II
  • ESD protection exceeds JEDEC JS-001
    • 8000-V Human-Body Model
    • 1000-V Charged-Device Model
  • AEC-Q100 qualified for automotive applications
  • Fully configurable dual-rail design allows each port to operate with a power supply range from 0.65V to 3.6V
  • Operating temperature from –40°C to +125°C
  • Independent direction control pins to allow configurable up and down translation
  • Glitch-free power supply sequencing
  • Up to 310Mbps support when translating from 1.8V to 3.3V
  • VCC Isolation Feature:
    • If either VCC input is below 100mV, all I/Os outputs are disabled and become high-impedance
  • Ioff supports partial-power-down mode operation
  • Compatible with AVC family level shifters
  • Latch-up performance exceeds 100mA per JESD 78, Class II
  • ESD protection exceeds JEDEC JS-001
    • 8000-V Human-Body Model
    • 1000-V Charged-Device Model

The SN74AXC4T774-Q1 is a four-bit non-inverting bus transceiver that uses two individually configurable power-supply rails. The device is operational with both VCCA and VCCB supplies as low as 0.65V. The A port is designed to track VCCA, which accepts any supply voltage from 0.65V to 3.6V. The B port is designed to track VCCB, which also accepts any supply voltage from 0.65V to 3.6V. Additionally the SN74AXC4T774-Q1 is compatible with a single-supply system.

The SN74AXC4T774-Q1 device is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level of the direction-control inputs (DIRx). The output-enable input (OE) is used to disable the outputs so the buses are effectively isolated. The SN74AXC4T774-Q1 device is designed so the control pins (DIRx and OE) are referenced to VCCA.

To put the level shifter I/Os in the high-impedance state during power up or power down, tie the OE pin to VCCA through a pullup resistor.

This device is fully specified for partial-power-down applications using the Ioff current. The Ioff protection circuitry is designed so that no excessive current is drawn from or to an input, output, or combined I/O that is biased to a specific voltage while the device is powered down.

The VCC isolation feature is designed so that if either VCCA or VCCB is less than 100mV, both I/O ports are set to the high-impedance state by disabling their outputs.

Glitch-free power supply sequencing allows either supply rail to be powered on or off in any order while providing robust power sequencing performance.

The SN74AXC4T774-Q1 is a four-bit non-inverting bus transceiver that uses two individually configurable power-supply rails. The device is operational with both VCCA and VCCB supplies as low as 0.65V. The A port is designed to track VCCA, which accepts any supply voltage from 0.65V to 3.6V. The B port is designed to track VCCB, which also accepts any supply voltage from 0.65V to 3.6V. Additionally the SN74AXC4T774-Q1 is compatible with a single-supply system.

The SN74AXC4T774-Q1 device is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level of the direction-control inputs (DIRx). The output-enable input (OE) is used to disable the outputs so the buses are effectively isolated. The SN74AXC4T774-Q1 device is designed so the control pins (DIRx and OE) are referenced to VCCA.

To put the level shifter I/Os in the high-impedance state during power up or power down, tie the OE pin to VCCA through a pullup resistor.

This device is fully specified for partial-power-down applications using the Ioff current. The Ioff protection circuitry is designed so that no excessive current is drawn from or to an input, output, or combined I/O that is biased to a specific voltage while the device is powered down.

The VCC isolation feature is designed so that if either VCCA or VCCB is less than 100mV, both I/O ports are set to the high-impedance state by disabling their outputs.

Glitch-free power supply sequencing allows either supply rail to be powered on or off in any order while providing robust power sequencing performance.
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Typ Titel Datum
* Data sheet SN74AXC4T774-Q1 Automotive 4-Bit Dual-Supply Bus Transceiver with Independent Direction, Configurable-Voltage Translation, and Tri-State Outputs datasheet (Rev. E) PDF | HTML 29 Jan 2024
Application note Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators PDF | HTML 02 Okt 2024
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12 Jul 2024
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03 Jul 2024
Functional safety information SN74AXC4T774-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 27 Mär 2024
Application note Translate Voltages for SPI (Rev. A) PDF | HTML 04 Aug 2021

Design und Entwicklung

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Evaluierungsplatine

14-24-NL-LOGIC-EVM — Generisches Logikprodukt-Evaluierungsmodul für 14- bis 24-polige bleifreie Gehäuse

14-24-NL-LOGIC-EVM ist ein flexibles Evaluierungsmodul (EVM), das alle Logik- oder Übersetzungsbausteine mit einem 14- bis 24-poligen BQA-, BQB-, RGY-, RSV-, RJW- oder RHL-Gehäuse unterstützt.

Benutzerhandbuch: PDF | HTML
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Evaluierungsplatine

SN74AXC4T774EVM — EVM für richtungsgesteuerte bidirektionale Übersetzungsbausteine zur Unterstützung von SPI-, JTAG- u

This EVM is designed to support SN74AXC4T774 in RSV and PW packages. It is also backwards compatible to allow the use of the existing SN74AVC4T774 device in these packages. The AXC device belong to the low voltage direction controlled translation family with operating voltage from 0.65V to 3.6V (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

SN74AXC4T774 IBIS MODEL (Rev. A)

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TSSOP (PW) 16 Ultra Librarian
UQFN (RSV) 16 Ultra Librarian
WQFN (BQB) 16 Ultra Librarian
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