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NVT2004TL Datenblatt(PDF) 7 Page - NXP Semiconductors

Teilenummer NVT2004TL
Bauteilbeschribung  Bidirectional voltage-level translator for open-drain and push-pull applications
PDF  33 Pages
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Hersteller  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
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NVT2004TL Datenblatt(HTML) 7 Page - NXP Semiconductors

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NVT2003_04_06
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 5 — 19 February 2014
7 of 33
NXP Semiconductors
NVT2003/04/06
Bidirectional voltage-level translator
(1) In the Enabled mode, the applied enable voltage VI(EN) and the applied voltage at Vref(A) should be
such that Vref(B) is at least 1 V higher than Vref(A) for best translator operation.
(2) Note that the enable time and the disable time are essentially controlled by the RC time constant of
the capacitor and the 200 k
 resistor on the EN pin.
Fig 8.
Typical application circuit (switch enable control)
Fig 9.
Bidirectional translation to multiple higher voltage levels
002aae135
A1
A2
VREFA
GND
3
4
VREFB
1
6
5
B1
B2
8EN
SW
SW
NVT2002
7
200 k
Ω
RPU
RPU
Vpu(D) = 3.3 V
I2C-BUS
DEVICE
SCL
SDA
VCC
GND
2
Vref(A) = 1.8 V(1)
RPU
RPU
I2C-BUS
MASTER
SCL
SDA
VCC
GND
on
off
3.3 V enable signal(1)
(2)
EN
VREFB
002aae133
B1
B2
200 k
Ω
CHIPSET I/O
VCC
5 V
totem pole or
open-drain I/O
GND
VREFA
A1
A2
B3
VCC
Bn
3.3 V
A3
An
CPU I/O
VCORE
1.8 V
1.5 V
1.2 V
1.0 V
SW
NVT20XX
SW
SW
CHIPSET I/O
SW
B4
A4
B5
A5
SW
SW
B6
A6
SW



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