SN74LVC1T45-Q1 Texas instruments

SN74LVC1T45-Q1

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SN74LVC1T45-Q1

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Описание

The SN74LVC1T45-Q1 device is a single-bit, noninverting bus transceiver that uses two separate configurable power supply rails. The A-port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B-port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.The SN74LVC1T45-Q1 device is a single-bit, non-inverting level translator. The fully configurable dual-rail design allows each port to overate over the full 1.65-V to 5.5-V power supply range. It is ideal for applications that need a wide bidirectional translation range.The SN74LVC1T45-Q1 is designed so that the DIR input is powered by VCCA.This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.The VCC isolation feature assures that if either VCC input is at GND, then both ports are in the high-impedance state.

Qualified for automotive applications
AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature range
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C3B
Fully configurable dual-rail design allows each port to operate over the full 1.65-V to 5.5-V power-supply range
V_CC isolation feature – if either V_CC input is at GND, both ports are in the high-impedance state
DIR input circuit referenced to V_CCA
±24-mA output drive at 3.3 V
I_off supports partial-power-down mode operation
Maximum data rates:
- 420 Mbps (3.3-V to 5-V translation)
- 210 Mbps (translate to 3.3 V)
- 140 Mbps (translate to 2.5 V)
- 75 Mbps (translate to 1.8 V)

Technology family	LVC
Applications	GPIO
Bits (#)	1
High input voltage (min) (V)	1.08
High input voltage (max) (V)	5.5
Vout (min) (V)	1.65
Vout (max) (V)	5.5
Data rate (max) (MBits)	300
IOH (max) (mA)	-32
IOL (max) (mA)	32
Supply current (max) (µA)	4
Features	Overvoltage tolerant inputs, Partial power down (Ioff), Vcc isolation
Input type	Standard CMOS
Output type	Balanced CMOS, Push-Pull
Rating	Automotive
Operating temperature range (°C)	-40 to 125