SN74AXC1T45-Q1
- 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: –40°C to +125°C
- Glitch-free power supply sequencing
- Maximum quiescent current (ICCA + ICCB) of 10µA (85°C maximum) and 16µA (125°C maximum)
- Up to 500Mbps support when translating from 1.8 to 3.3V
- VCC isolation feature
- If Either VCC input is below 100mV, all I/O outputs are disabled and become high-impedance
- Ioff supports partial-power-down mode operation
- Latch-up performance exceeds 100mA per JESD 78, Class II
- ESD protection exceeds JESD 22:
- 8000-V Human body model
- 1000-V Charged-device model
The SN74AXC1T45-Q1 is AEC-Q100 qualified single-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 SN74AXC1T45-Q1 is compatible with a single-supply system.
The DIR pin determines the direction of signal propagation. With the DIR pin configured HIGH, translation is from Port A to Port B. With DIR configured LOW, translation is from Port B to Port A. The DIR pin is referenced to VCCA, meaning that its logic-high and logic-low thresholds track with VCCA.
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 enter a 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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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | SN74AXC1T45-Q1 Automotive Qualified Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation, Tri-State Outputs datasheet (Rev. D) | PDF | HTML | 2024年 1月 31日 |
Functional safety information | SN74AXC1T45-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA | PDF | HTML | 2024年 3月 13日 | |
Application brief | Future-Proofing Your Level Shifter Design with TI's Dual Footprint Packages | PDF | HTML | 2023年 9月 5日 | |
Application brief | Translate Voltages for MDIO | PDF | HTML | 2021年 7月 16日 | |
Selection guide | Voltage Translation Buying Guide (Rev. A) | 2021年 4月 15日 | ||
Application note | Translate Voltages for GPIO | PDF | HTML | 2020年 8月 4日 | |
Application note | Glitch free power sequencing with AXC level translators (Rev. A) | 2018年 9月 20日 |
設計與開發
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SOT-SC70 (DCK) | 6 | 檢視選項 |
USON (DRY) | 6 | 檢視選項 |
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