NVT2002 PHILIPS [NXP Semiconductors], NVT2002 Datasheet - Page 6

• Manufacturer Part Number: NVT2002
• Description: Bidirectional voltage level translator for open-drain and push-pull applications
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
NVT2001_NVT2002
Product data sheet
Fig 7.
Fig 8.
1.8 V
1.5 V
1.2 V
1.0 V
(1) In the Enabled mode, the applied enable voltage V
(2) Note that the enable time and the disable time are essentially controlled by the RC time constant of
such that V
the capacitor and the 200 k resistor on the EN pin.
Typical application circuit (switch enable control)
Bidirectional translation to multiple higher voltage levels
MASTER
I
V
2
C-BUS
GND
CORE
V
CC
CPU I/O
SDA
SCL
All information provided in this document is subject to legal disclaimers.
ref(B)
V
ref(A)
is at least 1 V higher than V
Rev. 2 — 26 October 2011
R PU
= 1.8 V
VREFA
R PU
(1)
VREFA
A1
A2
A3
A4
A5
A6
An
3.3 V enable signal
A1
A2
NVT20XX
off
SW
SW
SW
SW
SW
SW
SW
GND
2
3
4
NVT2002
B1
B2
B3
B4
B5
B6
Bn
SW
SW
on
1
EN
VREFB
ref(A)
GND
(1)
NVT2001; NVT2002
for best translator operation.
200 kΩ
I(EN)
Bidirectional voltage level translator
8 EN
7
6
5
VREFB
and the applied voltage at V
B1
B2
200 kΩ
(2)
V
pu(D)
R PU
= 3.3 V
CHIPSET I/O
CHIPSET I/O
R PU
© NXP B.V. 2011. All rights reserved.
SCL
SDA
I
DEVICE
2
V
V
C-BUS
GND
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V
CC
CC
CC
ref(A)
5 V
totem pole or
open-drain I/O
3.3 V
should be
002aae133
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