SN74LXCH1T45

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Single-Bit-Transceiver mit zwei Versorgungsspannungen und konfigurierbarer Spannungspegelverschiebun

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Datenblatt

document-pdfAcrobat SN74LXCH1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation, 3-State Ouputs, and Bus-Hold Inputs datasheet (Englisch) PDF | HTML

SN74LXCH1T45

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Bits (#)

1

Data rate (max) (Mbps)

420

Topology

Push-Pull

Vin (min) (V)

1.1

Vin (max) (V)

5.5

Vout (min) (V)

1.1

Vout (max) (V)

5.5

Applications

GPIO

Features

Bus-hold, Integrated pulldown resistors, Output enable, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc disconnect, Vcc isolation

Prop delay (ns)

11

Technology family

LXC

Supply current (max) (mA)

0.006

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Bits (#)

1

Data rate (max) (Mbps)

420

Topology

Push-Pull

Vin (min) (V)

1.1

Vin (max) (V)

5.5

Vout (min) (V)

1.1

Vout (max) (V)

5.5

Applications

GPIO

Features

Bus-hold, Integrated pulldown resistors, Output enable, Overvoltage tolerant inputs, Partial power down (Ioff), Vcc disconnect, Vcc isolation

Prop delay (ns)

11

Technology family

LXC

Supply current (max) (mA)

0.006

Rating

Catalog

Operating temperature range (°C)

-40 to 125

USON (DRY)

6

1.45 mm² (1.45 mm × 1 mm)

SOT-SC70 (DCK)

6

4.2 mm² (2 mm × 2.1 mm)

X2SON (DTQ)

6

0.8 mm² (1 mm × 0.8 mm)

Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
Robust, glitch-free power supply sequencing
Up to 420-Mbps support for 3.3 V to 5.0 V
Bus hold on data inputs eliminates the need for external pull-up and pull-down resistors
Schmitt-trigger control inputs allow for slow or noisy inputs
Control inputs with integrated static pull-down resistors allow for floating control inputs
High drive strength (up to 32 mA at 5 V)
Low power consumption
- 3-µA maximum (25°C)
- 6-µA maximum (–40°C to 125°C)
V_CC isolation and V_CC disconnect feature
- If either V_CC supply is < 100 mV all I/O’s become high-impedance
- I_off-float supports V_CC disconnect operation
I_off supports partial-power-down mode operation
Compatible with LVC family level shifters
Control logic (DIR) are referenced to V_CCA
Operating temperature from –40°C to +125°C
Latch-up performance exceeds 100 mA per JESD 78, class II
ESD protection exceeds JESD 22
- 4000-V human-body model
- 1000-V charged-device model

Fully configurable dual-rail design allows each port to operate from 1.1 V to 5.5 V
Robust, glitch-free power supply sequencing
Up to 420-Mbps support for 3.3 V to 5.0 V
Bus hold on data inputs eliminates the need for external pull-up and pull-down resistors
Schmitt-trigger control inputs allow for slow or noisy inputs
Control inputs with integrated static pull-down resistors allow for floating control inputs
High drive strength (up to 32 mA at 5 V)
Low power consumption
- 3-µA maximum (25°C)
- 6-µA maximum (–40°C to 125°C)
V_CC isolation and V_CC disconnect feature
- If either V_CC supply is < 100 mV all I/O’s become high-impedance
- I_off-float supports V_CC disconnect operation
I_off supports partial-power-down mode operation
Compatible with LVC family level shifters
Control logic (DIR) are referenced to V_CCA
Operating temperature from –40°C to +125°C
Latch-up performance exceeds 100 mA per JESD 78, class II
ESD protection exceeds JESD 22
- 4000-V human-body model
- 1000-V charged-device model

The SN74LXCH1T45 is an 1-bit, dual-supply noninverting bidirectional voltage level translation device with bus-hold circuitry. The I/O pin A and control pin (DIR) are referenced to V_CCA logic levels, and the I/O pin B is referenced to V_CCB logic levels. The A pin is able to accept I/O voltages ranging from 1.1 V to 5.5 V, while the B port can accept I/O voltages from 1.1 V to 5.5 V. A high on DIR allows data transmission from A to B and a low on DIR allows data transmission from B to A. See Device Functional Modes for a summary of the operation of the control logic.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	SN74LXCH1T45 Single-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation, 3-State Ouputs, and Bus-Hold Inputs datasheet	PDF \| HTML	01.04.2022
	Anwendungshinweis	Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators	PDF \| HTML	02.10.2024
	Anwendungshinweis	Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators	PDF \| HTML	12.07.2024
	Anwendungshinweis	Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A)	PDF \| HTML	03.07.2024

Design und Entwicklung

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