NLSX4378 PDF даташит
Спецификация NLSX4378 изготовлена «ON Semiconductor» и имеет функцию, называемую «Translator». |
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Детали детали
Номер произв | NLSX4378 |
Описание | Translator |
Производители | ON Semiconductor |
логотип |
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NLSX4378
4-Bit 20 Mb/s Dual-Supply
Level Translator
The NLSX4378 is a 4−bit configurable dual−supply bidirectional
auto sensing translator that does not require a directional control pin.
The VCC I/O and VL I/O ports are designed to track two different
power supply rails, VCC and VL respectively. The VCC supply rail is
configurable from 1.65 V to 5.5 V while VL supply rail is
configurable to 1.65 V to 5.5 V. This allows voltage logic signals on
the VL side to be translated into lower, higher or equal value voltage
logic signals on the VCC side, and vice−versa.
The NLSX4378 translator has open−drain outputs with integrated
10 kW pullup resistors on the I/O lines. The integrated pullup
resistors are used to pullup the I/O lines to either VL or VCC. The
NLSX4378 is an excellent match for open−drain applications such as
the I2C communication bus.
Features
• VL can be Less than, Greater than or Equal to VCC
• Wide VCC Operating Range: 1.65 V to 5.5 V
Wide VL Operating Range: 1.65 V to 5.5 V
• High−Speed with 20 Mb/s Guaranteed Date Rate
• Low Bit−to−Bit Skew
• Enable Input and I/O Lines have Overvoltage Tolerant (OVT) to
5.5 V
• Nonpreferential Powerup Sequencing
• Integrated 10 kW Pullup Resistors
• Small Space Saving Package − 2.02 x 1.54 mm mBump12
• This is a Pb−Free Device
Typical Applications
• I2C, SMBus, PMBus
• Low Voltage ASIC Level Translation
• Mobile Phones, PDAs, Cameras
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MARKING
DIAGRAM
mBump12
FC SUFFIX
CASE 499AU
4378F
AYWW
G
A = Assembly Location
Y = Year
WW = Work Week
G = Pb−Free Package
LOGIC DIAGRAM
EN VL VCC GND
I/O VL1
I/O VL2
I/O VL3
I/O VL4
I/O VCC1
I/O VCC2
I/O VCC3
I/O VCC4
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
© Semiconductor Components Industries, LLC, 2009
April, 2009 − Rev. 2
1
Publication Order Number:
NLSX4378/D
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NLSX4378
VL VCC
PU1
RPullup
10 kW
One−Shot
Block
Gate
Bias
One−Shot
Block
PU2
RPullup
10 kW
I/O VL
N
Figure 1. Block Diagram (1 I/O Line)
PIN ASSIGNMENT
Pins
Description
VCC
VL
GND
VCC Input Voltage
VL Input Voltage
Ground
EN Output Enable
I/O VCCn
VCC I/O Port, Referenced to VCC
I/O VLn
VL I/O Port, Referenced to VL
FUNCTION TABLE
EN Operating Mode
L Hi−Z
H I/O Buses Connected
mBump12
(2.02 x 1.54 mm)
AB
C
PIN LOCATION
Pin
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
1
I/O VL1 VCC I/O VCC1
2
I/O VL2 VL I/O VCC2
3
I/O VL3 EN I/O VCC3
4
I/O VL4 GND I/O VCC4
(Bottom View)
I/O VCC
Pin Name
I/O VL1
I/O VL2
I/O VL3
I/O VL4
VCC
VL
EN
GND
I/O VCC1
I/O VCC2
I/O VCC3
I/O VCC4
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NLSX4378
MAXIMUM RATINGS
Symbol
Parameter
Condition
Value
Unit
VCC High−side DC Supply Voltage
−0.3 to +7.0
V
VL High−side DC Supply Voltage
−0.3 to +7.0
V
I/O VCC VCC−Referenced DC Input/Output Voltage
−0.3 to (VCC + 0.3)
V
I/O VL VL−Referenced DC Input/Output Voltage
−0.3 to (VL + 0.3)
V
VEN Enable Control Pin DC Input Voltage
−0.3 to +7.0
V
II/O_SC Short−Circuit Duration (I/O VL and I/O VCC to GND)
Continuous
40 mA
TSTG
Storage Temperature
−65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC High−side Positive DC Supply Voltage
VL High−side Positive DC Supply Voltage
VEN Enable Control Pin Voltage
VIO Enable Control Pin Voltage
TA Operating Temperature Range
Min
1.65
1.65
GND
GND
−40
Max Unit
5.5 V
5.5 V
5.5 V
5.5 V
+85 °C
DC ELECTRICAL CHARACTERISTICS (VCC = 1.65 V to 5.5 V and VL = 1.65 V to 5.5 V, unless otherwise specified)
−405C to +855C
Symbol
Parameter
Test Conditions
Typ
Min (Notes 1, 2) Max
VIHC I/O VCC Input HIGH Voltage
VCC − 0.4
−
VILC I/O VCC Input LOW Voltage
−−
VIHL I/O VL Input HIGH Voltage
VL − 0.4
−
VILL I/O VL Input LOW Voltage
−−
VIH Control Pin Input HIGH Voltage
0.65 * VL
−
VIL Control Pin Input LOW Voltage
−−
VOHC I/O VCC Output HIGH Voltage
I/O VCC Source Current = 20 mA
0.8 * VCC
−
VOLC I/O VCC Output LOW Voltage
I/O VCC Sink Current = 1.0 mA
I/O_VL ≤ 0.15 V
−
−
VOHL I/O VL Output HIGH Voltage
I/O VL Source Current = 20 mA
0.8 * VL
−
VOLL I/O VL Output LOW Voltage
I/O VL Sink Current = 1.0 mA − −
I/O_VCC ≤ 0.15 V
IQVCC VCC Supply Current
I/O VCC and I/O VL Unconnected,
VEN = VL
−
0.5
IQVL VL Supply Current
I/O VCC and I/O VL Unconnected,
VEN = VL
−
0.3
ITS−VCC VCC Tristate Output Mode Supply Current
I/O VCC and I/O VL Unconnected,
VEN = GND
−
0.1
ITS−VL VL Tristate Output Mode Supply Current
I/O VCC and I/O VL Unconnected,
VEN = GND
−
0.1
IOZ I/O Tristate Output Mode Leakage Current
TA = +25°C
− 0.1
RPU Pullup Resistor I/O VL and VCC
TA = +25°C
− 10
1. Typical values are for VCC = +2.8 V, VL = +1.8 V and TA = +25°C.
2. All units are production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design.
−
0.15
−
0.15
−
0.35 * VL
−
0.4
−
0.4
2.0
1.0
1.0
1.0
1.0
−
Unit
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
kW
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