NXB0108屬于集成電路（IC）的轉(zhuǎn)換器電平移位器。由安世半導(dǎo)體(中國)有限公司制造生產(chǎn)的NXB0108轉(zhuǎn)換器，電平移位器邏輯轉(zhuǎn)換器或電平移位器 IC 可用于在數(shù)字邏輯設(shè)備之間傳遞信息，這些設(shè)備可在不同/不兼容的供電電壓下工作，或可實現(xiàn)不同的信令方式。例如，可以將需要 5 V 電源的數(shù)字輸出傳感器連接到具有 3.3 V I/O 電源的 FPGA，或者在 CMOS 或 TTL 等單端信令方式與 PECL 或 LVDS 等差分技術(shù)之間進(jìn)行轉(zhuǎn)換。

1. General description

The NXB0108 is an 8-bit, dual supply translating transceiver with auto direction sensing, that

enables bidirectional voltage level translation. It features two 8-bit input-output ports (An and Bn),

one output enable input (OE) and two supply pins (VCC(A) and VCC(B)). VCC(A) can be supplied at

any voltage between 1.2 V and 3.6 V and VCC(B) can be supplied at any voltage between 1.65 V

and 5.5 V, making the device suitable for translating between any of the low voltage nodes (1.2 V,

1.5 V, 1.8 V, 2.5 V, 3.3 V and 5.0 V).

Pins An and OE are referenced to VCC(A) and pins Bn are referenced to VCC(B). A LOW level at pin

OE causes the outputs to assume a high-impedance OFF-state. This device is fully specified for

partial power-down applications using IOFF. The IOFF circuitry disables the output, preventing the

damaging backflow current through the device when it is powered down.

2. Features and benefits

? Wide supply voltage range:

? VCC(A): 1.2 V to 3.6 V and VCC(B): 1.65 V to 5.5 V

? IOFF circuitry provides partial Power-down mode operation

? Inputs accept voltages up to 5.5 V

? ESD protection:

? HBM: ANSI/ESDA/Jedec JS-001 Class 2 exceeds 2500 V for A port

? HBM: ANSI/ESDA/Jedec JS-001 Class 3B exceeds 15000 V for B port

? CDM: ANSI/ESDA/Jedec JS-002 Class C3 exceeds 1500 V

? Latch-up performance exceeds 100 mA per JESD 78B Class II

? Multiple package options

? Specified from ?40 °C to +85 °C and ?40 °C to +125 °C