NLSX3378 D

NLSX3378
4-Bit 20 Mb/s Dual-Supply
Level Translator
The NLSX3378 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 4.5 V while VL supply rail is
configurable to 1.2 V to 4.1 V. This allows lower voltage logic
signals on the VL side to be translated into higher voltage logic
signals on the VCC side, and vice−versa.
The NLSX3378 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
NLSX3378 is an excellent match for open−drain applications such as
the I2C communication bus.
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MARKING DIAGRAM
for NLSX3378FCT1G
S3378F
AYWW
G
mBump12
FC SUFFIX
CASE 499AU
Features
• Wide High−Side VCC Operating Range: 1.65 V to 4.5 V
•
•
•
•
•
•
•
Wide Low−Side VL Operating Range: 1.2 V to 4.1 V
High−Speed with 20 Mb/s Guaranteed Date Rate for VL > 2.5 V
Low Bit−to−Bit Skew
Enable Input and I/O Lines have Overvoltage Tolerant (OVT) to
4.5 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
A
Y
WW
G
for NLSX3378BFCT1G
S3378B
AYWW
G
= Assembly Location
= Year
= Work Week
= Pb−Free Package
LOGIC DIAGRAM
EN
VL
VCC GND
I/O VL1
I/O VCC1
I/O VL2
I/O VCC2
I/O VL3
I/O VCC3
I/O VL4
I/O VCC4
Typical Applications
• I2C, SMBus, PMBus
• Low Voltage ASIC Level Translation
• Mobile Phones, PDAs, Cameras
Important Information
• ESD Protection for Power, Enable and I/O Pins:
Human Body Model (HBM): ±2 kV
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
June, 2016 − Rev. 6
1
Publication Order Number:
NLSX3378/D
NLSX3378
VL
VCC
One−Shot
Block
PU1
One−Shot
Block
PU2
Gate
Bias
RPullup
10 kW
RPullup
10 kW
I/O VL
I/O VCC
N
Figure 1. Block Diagram (1 I/O Line)
PIN ASSIGNMENT
PIN LOCATION
Pins
Description
Pin
Pin Name
VCC
VCC Input Voltage
A1
I/O VL1
VL
VL Input Voltage
A2
I/O VL2
GND
Ground
A3
I/O VL3
EN
Output Enable
A4
I/O VL4
I/O VCCn
VCC I/O Port, Referenced to VCC
B1
VCC
I/O VLn
VL I/O Port, Referenced to VL
B2
VL
B3
EN
FUNCTION TABLE
EN
Operating Mode
B4
GND
L
Hi−Z
C1
I/O VCC1
I/O Buses Connected
C2
I/O VCC2
C3
I/O VCC3
C4
I/O VCC4
H
mBump12
(2.02 x 1.54 mm)
A
B
C
I/O VL1
VCC
I/O VCC1
I/O VL2
VL
I/O VCC2
I/O VL3
EN
I/O VCC3
I/O VL4
GND
I/O VCC4
1
2
3
4
(Bottom View)
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2
NLSX3378
MAXIMUM RATINGS
Symbol
Parameter
Value
Condition
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
−0.3 to (VCC + 0.3)
V
−0.3 to (VL + 0.3)
V
−0.3 to +7.0
V
I/O VCC
I/O VL
VEN
II/O_SC
TSTG
VCC−Referenced DC Input/Output Voltage
VL−Referenced DC Input/Output Voltage
Enable Control Pin DC Input Voltage
Short−Circuit Duration (I/O VL and I/O VCC to GND)
40
Storage Temperature
Continuous
mA
°C
−65 to +150
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
VCC
High−side Positive DC Supply Voltage
1.65
4.5
V
VL
High−side Positive DC Supply Voltage
1.2
4.1
V
VEN
Enable Control Pin Voltage
GND
4.5
V
VIO
Enable Control Pin Voltage
GND
4.5
V
TA
Operating Temperature Range
−40
+85
°C
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the
Recommended Operating Ranges limits may affect device reliability.
DC ELECTRICAL CHARACTERISTICS (VCC = 1.65 V to 4.5 V and VL = 1.2 V to 4.1 V, unless otherwise specified)
−405C to +855C
Symbol
Parameter
Test Conditions
Min
Typ
(Notes 1, 2)
Max
Unit
VIHC
I/O VCC Input HIGH Voltage
VCC − 0.4
−
−
V
VILC
I/O VCC Input LOW Voltage
−
−
0.15
V
VIHL
I/O VL Input HIGH Voltage
VL − 0.2
−
−
V
VILL
I/O VL Input LOW Voltage
−
−
0.15
V
VIH
Control Pin Input HIGH Voltage
VL − 0.2
−
−
V
VIL
Control Pin Input LOW Voltage
−
−
0.15
V
VOHC
I/O VCC Output HIGH Voltage
I/O VCC Source Current = 20 mA
2/3 * VCC
−
−
V
VOLC
I/O VCC Output LOW Voltage
I/O VCC Sink Current = 20 mA
−
−
1/3 * VCC
V
VOHL
I/O VL Output HIGH Voltage
I/O VL Source Current = 20 mA
2/3 * VL
−
−
V
VOLL
I/O VL Output LOW Voltage
I/O VL Sink Current = 20 mA
−
−
1/3 * VL
V
IQVCC
VCC Supply Current
I/O VCC and I/O VL Unconnected,
VEN = VL
−
50
105
mA
VL Supply Current
I/O VCC and I/O VL Unconnected,
VEN = VL
−
0.1
1.0
mA
VCC Tristate Output Mode Supply Current
I/O VCC and I/O VL Unconnected,
VEN = GND
−
0.1
2.5
mA
VL Tristate Output Mode Supply Current
I/O VCC and I/O VL Unconnected,
VEN = GND
−
0.1
2.5
mA
IQVL
ITS−VCC
ITS−VL
IOZ
I/O Tristate Output Mode Leakage Current
TA = +25°C
−
−
1.0
mA
RPU
Pullup Resistor I/O VL and VCC
TA = +25°C
−
10
−
kW
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.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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3
NLSX3378
TIMING CHARACTERISTICS − RAIL−TO−RAIL DRIVING CONFIGURATIONS
(I/O test circuit of Figures 2 and 3, CLOAD = 15 pF, driver output impedance v 50 W, RLOAD = 1 MW)
−405C to +855C
(Note 3)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
+1.2 v VL v VCC v +4.5 V
tRVCC
I/O VCC Risetime
25
ns
tFVCC
I/O VCC Falltime
37
ns
tRVL
I/O VL Risetime
30
ns
tFVL
I/O VL Falltime
30
ns
tPDVL−VCC
Propagation Delay (Driving I/O VL)
30
ns
tPDVCC−VL
Propagation Delay (Driving I/O VCC)
30
ns
Part−to−Part Skew
20
nS
tPPSKEW
MDR
Maximum Data Rate
8
Mb/s
+1.2 v VL v VCC v +3.3 V
tRVCC
I/O VCC Risetime
25
ns
tFVCC
I/O VCC Falltime
30
ns
tRVL
I/O VL Risetime
30
ns
tFVL
I/O VL Falltime
30
ns
tPDVL−VCC
Propagation Delay (Driving I/O VL)
20
ns
tPDVCC−VL
Propagation Delay (Driving I/O VCC)
20
ns
Part−to−Part Skew
10
nS
tPPSKEW
MDR
Maximum Data Rate
10
Mb/s
+1.8 v VL v VCC v +2.5 V
tRVCC
I/O VCC Risetime
15
ns
tFVCC
I/O VCC Falltime
15
ns
tRVL
I/O VL Risetime
15
ns
tFVL
I/O VL Falltime
15
ns
tPDVL−VCC
Propagation Delay (Driving I/O VL)
15
ns
tPDVCC−VL
Propagation Delay (Driving I/O VCC)
15
ns
Part−to−Part Skew
10
nS
tPPSKEW
MDR
Maximum Data Rate
16
Mb/s
+2.5 v VL v VCC v +3.3 V
tRVCC
I/O VCC Risetime
15
ns
tFVCC
I/O VCC Falltime
15
ns
tRVL
I/O VL Risetime
15
ns
tFVL
I/O VL Falltime
15
ns
tPDVL−VCC
Propagation Delay (Driving I/O VL)
15
ns
tPDVCC−VL
Propagation Delay (Driving I/O VCC)
15
ns
Part−to−Part Skew
10
nS
tPPSKEW
MDR
Maximum Data Rate
20
3. All units are production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design.
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4
Mb/s
NLSX3378
TIMING CHARACTERISTICS − OPEN DRAIN DRIVING CONFIGURATIONS
(I/O test circuit of Figures 4 and 5, CLOAD = 15 pF, driver output impedance v 50 W, RLOAD = 1 MW)
−405C to +855C
(Note 4)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
+1.2 v VL v VCC v +4.5 V
tRVCC
I/O VCC Risetime
400
ns
tFVCC
I/O VCC Falltime
50
ns
tRVL
I/O VL Risetime
400
ns
tFVL
I/O VL Falltime
60
ns
tPDVL−VCC
Propagation Delay (Driving I/O VL)
1000
ns
tPDVCC−VL
Propagation Delay (Driving I/O VCC)
1000
ns
50
nS
tPPSKEW
MDR
Part−to−Part Skew
Maximum Data Rate
2
Mb/s
4. All units are production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design. Limits over the operating
temperature range are guaranteed by design.
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5
NLSX3378
TEST SETUPS
NLSX3378
VL
VCC
NLSX3378
VL
EN
I/O VL
I/O VCC
Source
I/O VL
I/O VCC
CLOAD
CLOAD
RLOAD
NLSX3378
Figure 3. Rail−to−Rail Driving I/O VCC
NLSX3378
VL
VCC
EN
I/O VCC
I/O VCC
VCC
CLOAD
CLOAD
RLOAD
RLOAD
Figure 4. Open−Drain Driving I/O VL
Figure 5. Open−Drain Driving I/O VCC
tRISE/FALL v
3 ns
I/O VL
tPD_VL−VCC
I/O VCC
VCC
EN
I/O VL
90%
50%
10%
Source
RLOAD
Figure 2. Rail−to−Rail Driving I/O VL
VL
VCC
EN
tRISE/FALL v 3 ns
I/O VCC
90%
50%
10%
tPD_VCC−VL
I/O VL
tPD_VL−VCC
90%
50%
10%
tPD_VCC−VL
90%
50%
10%
tF−VCC
tR−VCC
tF−VL
Figure 6. Definition of Timing Specification Parameters
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6
tR−VL
NLSX3378
VCC
2xVCC
OPEN
R1
PULSE
GENERATOR
DUT
RT
CL
Test
RL
Switch
tPZH, tPHZ
Open
tPZL, tPLZ
2 x VCC
CL = 15 pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 50 kW or equivalent
RT = ZOUT of pulse generator (typically 50 W)
Figure 7. Test Circuit for Enable/Disable Time Measurement
tR
tF
Input
tPLH
Output
EN
VCC
90%
50%
10%
GND
GND
tPZL
tPHL
90%
50%
10%
tR
VL
50%
Output
Output
HIGH
IMPEDANCE
50%
tPZH
tF
tPLZ
tPHZ
10%
VOL
90%
VOH
50%
Figure 8. Timing Definitions for Propagation Delays and Enable/Disable Measurement
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7
HIGH
IMPEDANCE
NLSX3378
APPLICATIONS INFORMATION
Level Translator Architecture
Enable Input (EN)
The NLSX3378 auto sense translator provides
bi−directional voltage level shifting to transfer data in
multiple supply voltage systems. This device has two
supply voltages, VL and VCC, which set the logic levels on
the input and output sides of the translator. When used to
transfer data from the VL to the VCC ports, input signals
referenced to the VL supply are translated to output signals
with a logic level matched to VCC. In a similar manner, the
VCC to VL translation shifts input signals with a logic level
compatible to VCC to an output signal matched to VL.
The NLSX3378 consists of two bi−directional channels
that independently determine the direction of the data flow
without requiring a directional pin. The one−shot circuits
are used to detect the rising or falling input signals. In
addition, the one shots decrease the rise and fall time of the
output signal for high−to−low and low−to−high transitions.
Each input/output channel has an internal 10 kW pull.
The magnitude of the pullup resistors can be reduced by
connecting external resistors in parallel to the internal
10 kW resistors.
The NLSX3378 has an Enable pin (EN) that provides
tri−state operation at the I/O pins. Driving the Enable pin
to a low logic level minimizes the power consumption of
the device and drives the I/O VCC and I/O VL pins to a high
impedance state. Normal translation operation occurs
when the EN pin is equal to a logic high signal. The EN pin
is referenced to the VL supply and has Overvoltage
Tolerant (OVT) protection.
Power Supply Guidelines
During normal operation, supply voltage VL should be
less than or equal to VCC. The sequencing of the power
supplies will not damage the device during the power up
operation.
The enable pin should be used to enter the low current
tri−state mode, rather than setting either the VL or VCC
supplies to 0 V. The NLSX3378 will not be damaged if
either VL or VCC is equal to 0 V while the other supply
voltage is at a nominal operating value; however, the
operation of the translator cannot be guaranteed during
single supply operation.
For optimal performance, 0.01 mF to 0.1 mF decoupling
capacitors should be used on the VL and VCC power supply
pins. Ceramic capacitors are a good design choice to filter
and bypass any noise signals on the voltage lines to the
ground plane of the PCB. The noise immunity will be
maximized by placing the capacitors as close as possible to
the supply and ground pins, along with minimizing the
PCB connection traces.
Input Driver Requirements
The rise (tR) and fall (tF) timing parameters of the open
drain outputs depend on the magnitude of the pull−up
resistors. In addition, the propagation times (tPD), skew
(tPSKEW) and maximum data rate depend on the impedance
of the device that is connected to the translator. The timing
parameters listed in the data sheet assume that the output
impedance of the drivers connected to the translator is less
than 50 kW.
ORDERING INFORMATION
Device
NLSX3378FCT1G
NLSX3378BFCT1G
Package
Shipping†
mBump12
(Pb−Free)
3000 / Tape & Reel
mBump12
(Backside Laminate Coating)
(Pb−Free)
3000 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
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8
NLSX3378
PACKAGE DIMENSIONS
mBump12, 2.02x1.54, 0.5P
CASE 499AU−01
ISSUE O
D
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. COPLANARITY APPLIES TO SPHERICAL
CROWNS OF SOLDER BALLS.
B
PIN A1
REFERENCE
E
2X
0.10 C
0.10 C
2X
TOP VIEW
A
A2
0.10 C
A1
0.05 C
12X
DIM
A
A1
A2
b
D
D1
E
E1
e
C
SIDE VIEW
NOTE 3
MILLIMETERS
MIN
MAX
−−−
0.66
0.21
0.27
0.33
0.39
0.29
0.34
2.02 BSC
1.50 BSC
1.54 BSC
1.00 BSC
0.50 BSC
SEATING
PLANE
D1
e/2
12X
e
b
0.05 C A B
C
0.03 C
B
E1
A
1
2
3
4
BOTTOM VIEW
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NLSX3378/D