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PDF PI4ULS3V302 Data sheet ( Hoja de datos )
| Número de pieza | PI4ULS3V302 | |
| Descripción | 140Mb/s Bi-directional Level Translator | |
| Fabricantes | Pericom Semiconductor | |
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PI4ULS3V302
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140Mb/s Bi-directional Level Translator for Push-Pull Applications
Features
0.85V to 2.7V on A Port and 1.35V to 3.6V on B
Port
VCCA may be greater than, equal to, or less than
VCCB
High-Speed with 140 Mb/s Guaranteed Date Rate
100 pF Capacitive Drive Capability
Low Bit-to-Bit Skew
Overvoltage Tolerant Enable and I/O Pins
Non-preferential Power-Up Sequencing
Power-Off Protection
Package: UDFN1.2x1.6-8L, MSOP-8L
Applications
Mobile Phones, PDAs
Other Portable Devices
Pin Configuration
Description
The PI4ULS3V302 is a 2-bit configurable dual-
supply autosensing bidirectional level translator that
does not require a direction control pin. The B and A
ports are designed to track two different power supply
rails, VCCB and VCCA respectively.
The PI4ULS3V302 offers the feature that the values
of the VCCB and VCCA supplies are independent.
Design flexibility is maximized because VCCA can be
set to a value either greater than or less than the VCCB
supply.
The PI4ULS3V302 has high output current
capability, which allows the translator to drive high
capacitive loads such as most high frequency EMI
filters. Another feature of the PI4ULS3V302 is that each
An and Bn channel can function as either an input or an
output.
An Output Enable (EN) input is available to reduce
the power consumption. The EN pin can be used to
disable both I/O ports by putting them in 3-state which
significantly reduces the supply current.
The PI4ULS3V302 is 2 kV System-Level ESD Capable.
UDFN1.2*1.6-8L(Top View)
MSOP-8L(Top View)
Pin Description
Pin Pin Type
Description
No. Name
1
VCC(A)
Power
A-port supply voltage.0.85V ≤
VCCA ≤ 2.7 V
2
A1
I/O
Input/output A. Referenced to
VCCA.
3
A2
I/O
Input/output A. Referenced to
VCCA.
4 GND GND Ground.
Output enable (active High). Pull
5 EN Input EN low to place all outputs in 3-
state mode.
6 B2 I/O Input/output B. Referenced to VCCB
7 B1 I/O Input/output B. Referenced to VCCB
8
VCCB
Power
B-port supply voltage. 1.35V ≤
VCCB ≤ 3.6V
2014-01-0006
PT0474-1 02/18/14
1
1 page  
PI4ULS3V302
140Mb/s Bi-directional Level Translator
for Push-Pull Applications
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Continuously.
Sym Parameter
Test Conditions*1
VCCB*2 (V) VCCA*3(V)
-40°C to +85°C
Min Typ*4 Max Unit
CIO = 15pF
1.35-3.6 0.85-2.7
50
--
2.5-3.6
1.8-2.7
140
-
-
MIDR Maximum Data Rate
CIO = 30pF
CIO = 50pF
1.35-3.6 0.85-2.7
40
--
2.5-3.6
1.6-3.6
1.8-2.7
1.0-2.7
120
30
-
-
-
-
mbps
2.5-3.6
1.8-2.7
100
-
-
CIO = 100pF
1.8-3.6
2.5-3.6
1.2-2.7
1.8-2.7
20
60
--
--
Notes:
1. Normal test conditions are VI = 0 V, CIOB ≤ 15pF and CIOA ≤ 15pF, unless otherwise specified.
2. V CCB is the supply voltage associated with the I/O B port, and B ranges from +1.35 V to 3.6 V under normal operating conditions.
3. V CCA is the supply voltage associated with the I/O A port, and A ranges from +0.85 V to 2.7V under normal operating conditions.
4. Typical values are for B = +2.8V, A = +1.8V and TA = +25°C. All units are production tested at TA = +25°C. Limits over the operating
temperature range are guaranteed by design.
Power Consumption (TA=+25°C)
Sym*1
Parameter
Test Conditions
VCCB*2 (V)
VCCA*3(V)
Typ Unit
A = Input port,
CPD_VCCA
B = Output Port
B = Input port,
A = Output Port
CLoad = 0, f = 1MHz,
EN = VCCA (outputs enabled)
1.35-3.6
0.85-2.7
40 pF
A = Input port,
CPD_VCCB B = Output Port
B = Input port,
A = Output Port
CLoad = 0, f = 1MHz,
EN = VCCA (outputs enabled)
1.35-3.6
0.85-2.7
40 pF
A = Input port,
CPD_VCCA
B = Output Port
B = Input port,
CLoad = 0, f = 1MHz,
EN = GND(outputs disabled)
1.35-3.6
0.85-2.7
1 pF
A = Output Port
A = Input port,
CPD_VCCB B = Output Port
B = Input port,
CLoad = 0, f = 1MHz,
EN = GND(outputs disabled)
1.35-3.6
0.85-2.7
1 pF
A = Output Port
Notes:
1. CPD_VCCA and CPD_VCCB are defined as the value of the IC’s equivalent capacitance from which the operating current can be calculated for
the A and B power supplies, respectively. ICC = ICC (dynamic) + ICC (static) ≈ ICC(operating) ≈CPD x VCC x fIN x NSW where ICC =
ICC_VCCB+ ICC VCCA and NSW = total number of outputs switching.
2. VCCB is the supply voltage associated with the I/O B port, and VCCB ranges from +1.35V to 3.6V under normal operating conditions.
3. VCCA is the supply voltage associated with the I/O A port, and VCCA range from +0.0.85 V to 2.7V under normal operating conditions.
4. Typical values are at TA = +25°C.
2014-01-0006
PT0474-1 02/18/14
5
5 Page 
PI4ULS3V302
140Mb/s Bi-directional Level Translator
for Push-Pull Applications
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Recommended Land pattern for UDFN1.2x1.6-8L
Note:
All linear dimensions are in millimeters
Ordering Information
Part No.
PI4ULS3V302XVE
PI4ULS3V302UE
Note:
E = Pb-free and Green
Adding X Suffix= Tape/Reel
Package Code
XV
U
Package
Lead free and Green 8-pin UDFN1.2x1.6
Lead free and Green 8-pin MSOP
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
Pericom reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply
the best possible product. Pericom does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom product. The
company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom.
2014-01-0006
PT0474-1 02/18/14
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet PI4ULS3V302.PDF ] | |
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