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 0.65 V. The A port is designed to track VCCA, which accepts any supply voltage from 0.65 V to 3.6 V. The B port is designed to track VCCB, which also accepts any supply voltage from 0.65 V to 3.6 V. 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 ensures 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 ensures that if either VCCA or VCCB is less than 100 mV, 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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|Part number||Order||Technology Family||Application||Bits (#)||High input voltage (Min) (Vih)||High input voltage (Max) (Vih)||Output voltage (Min) (V)||Output voltage (Max) (V)||IOH (Max) (mA)||IOL (Max) (mA)||Package Group||Rating|
||AXC||GPIO||1||0.455||3.6||0.65||3.6||-12||12||SC70 | 6||Automotive|
|2||0.78||3.6||1.2||3.6||-12||12||VSSOP | 8||Automotive|
|4||0.78||3.6||1.2||3.6||-12||12||VQFN | 16||Automotive|
|SN74AXC8T245-Q1||Samples not available||AXC||RGMII||8||0.455||3.6||0.65||3.6||-12||12||TSSOP | 24||Automotive|
||LVC||GPIO||1||1.08||5.5||1.65||5.5||-32||32||SC70 | 6||Automotive|