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PDF NLSX4378 Data sheet ( Hoja de datos )
| Número de pieza | NLSX4378 | |
| Descripción | Translator | |
| Fabricantes | ON Semiconductor | |
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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
http://onsemi.com
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
Free Datasheet http://www.datasheet4u.com/
1 page  
NLSX4378
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
VL = 3.6 V, VCC = 2.5 V
tRVCC I/O VCC Risetime
tFVCC I/O VCC Falltime
tRVL I/O VL Risetime
tFVL I/O VL Falltime
tPDVL−VCC Propagation Delay (Driving I/O VL)
tPDVCC−VL Propagation Delay (Driving I/O VCC)
tPPSKEW Part−to−Part Skew
MDR Maximum Data Rate
Test Conditions
Min Typ Max
15
10
15
15
15
15
5
20
VL = 5.5 V, VCC = 1.65 V
tRVCC I/O VCC Risetime
tFVCC I/O VCC Falltime
tRVL I/O VL Risetime
tFVL I/O VL Falltime
tPDVL−VCC Propagation Delay (Driving I/O VL)
tPDVCC−VL Propagation Delay (Driving I/O VCC)
tPPSKEW Part−to−Part Skew
MDR Maximum Data Rate
30
10
15
20
20
20
5
20
3. All units are production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design.
Unit
ns
ns
ns
ns
ns
ns
nS
Mb/s
ns
ns
ns
ns
ns
ns
nS
Mb/s
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
+1.65 v VL, VCC v +5.5 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
tPPSKEW Part−to−Part Skew
50 nS
MDR 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.
http://onsemi.com
5
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NLSX4378.PDF ] | |
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