NVT2002 datasheet(4/23 Pages) PHILIPS

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NVT2001_NVT2002

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Product data sheet

Rev. 2 — 26 October 2011

4 of 23

NXP Semiconductors

NVT2001; NVT2002

Bidirectional voltage level translator

5.2 Pin description

[1]

1-bit NVT2001 available in XSON6 package.

[2]

2-bit NVT2002 available in TSSOP8, XSON8U, XSON8 packages.

Functional description

Refer to Figure 1 “Logic diagram of NVT2001; NVT2002 (positive logic)”.

6.1 Function table

[1]

EN is controlled by the Vref(B) logic levels and should be at least 1 V higher than Vref(A) for best translator

operation.

Table 2.

Pin description

Symbol

Description

NVT2001[1]

NVT2002[2]

GND

ground (0 V)

VREFA

low-voltage side reference supply voltage for An

low-voltage side; connect to VREFA through a pull-up

resistor

high-voltage side; connect to VREFB through a pull-up

resistor

VREFB

high-voltage side reference supply voltage for Bn

switch enable input; connect to VREFB and pull-up

through a high resistor

Table 3.

Function selection (example)

H = HIGH level; L = LOW level.

Input EN[1]

Function

HAn = Bn

disconnect

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