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PI4ULS3V08ZFEX

P1-P3P4-P6P7-P7
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1.2V to 3.6V Universal Bidirectional Level Shifter
with Automatic Direction Control
2013-07-0006 PT0487 07/12/13
1
PI4ULS3V08
Features
PI4ULS3V08 is designed for low voltage
operation: 1.2V to 3.6V
Universal bidirectional level shifting with
automatic direction control
Fast bus speeds up to 180 Mbps for push-pull
application
Drive Capability 12mA
Independent translation of each bit
Each supply rail is configurable over supply range
ESD Protection exceeds JESD22
2000V Human Body Model (A114-B)
200V Machine Model (A115-A)
Latch-up performance exceeds 100mA per JESD
78
Industrial operation at -40°C to +85°C
Package: 36-contact TQFN 5x6
Pin Configuration
TQFN-36L(Top View)
Description
PI4ULS3V08, is a 8-bit (dual-octal) non-inverting
bus transceiver with two separate supply rails: A port
(VCCA) and B port (VCCB) are set to operate at 1.2V to
3.6V. This arrangement permits universal bidirectional
translation of differential signal levels over the voltage
ranges.
The PI4ULS3V08 is designed for asynchronous
communication between data buses. Data is transmitted
from the A bus to the B bus, or vice versa, without
direction control. All AX, and BX are tri-stated when
data is coming from both directions at the same time.
The output-enable (OE) input is used to disable outputs
so buses are isolated.
The control pins xOE, xSEL, TEST_EN and
OUT_SEL are supplied by VCCB.
To ensure the high impedance state during power-
up or power- down, the output-enable (OE) input should
be tied to VCC through a pull-up resistor: the minimum
value of the resistor is determined by the current-sinking
capability of the driver.
Applications
Voltage Translation
Bus Relay
Mobile Devices
Pin Description
Pin Name
Description
x OE
3-State Output Enable Inputs (Active Low)
xSEL
Outputs Loading Selection
xAx
Side A Inputs/Outputs
xBx
Side B Inputs/Outputs
TEST_EN
Enable Test Mode
OUT_SEL
Output impedance select
GND
Ground
V
CCA
,V
CCB
Power
TSTx
Internal test pins. For normal usage, please
tie to ground
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2013-07-0006 PT0487 07/12/13
2
PI4ULS3V08
1.2V to 3.6V Universal Bidirectional Level
Shifter with Automatic Direction Control
Block Diagram
Figure 1. Block Diagram
Truth Table
Test Mode / Output Impedance Select
Maximum Ratings
Storage Temperature ................................................................................... -65
o
C to +150
o
C
DC Supply Voltage VCCA ............................................................................ -0.5V to +4.6V
DC Supply Voltage VCCB ............................................................................ -0.5V to +4.6V
Enable Control Pin DC Input Voltage .................................................... -0.5V to+4.6V
Voltage Range applied to any I/O pins in the high-impedance
or Power-Off state VIOZ(A) ................................................................. -0.5V to+4.6V
Voltage Range applied to any I/O pins in the high-impedance
or Power-Off state VIOZ(B) ................................................................. -0.5V to+4.6V
Voltage Range applied to any I/O pins in the high or Low
state VIO(A)................................................................................. -0.5V to V
CCA
+0.5V
Voltage Range applied to any I/O pins in the high or Low
state VIO(B) .................................................................................. -0.5V to V
CCB
+0.5V
Input clamp Current (VI < 0) .............................................................................. -50mA
Ourput clamp current (VO < 0) .......................................................................... -50mA
Continuous output current ................................................................................. ±20mA
Continuous current through VCCA, VCCB or GND Pin .............................. ±100mA
Inputs
(1)
Outputs Loading
(2)
x
OE
2
SEL
1
SEL
L
L
L
C
L
≤ 50pF
L
L
H
C
L
≤ 30pF
L
H
L
C
L
≤ 20pF
L
H
H
C
L
≤ 10pF
H
X
X
-
TEST_EN
Out_SEL
Condition
L
L
Normal
Operation
Low output impedance 300Ω
L
H
Normal
Operation
High output impedance 2.2KΩ
H
L
Test_MODE A → B
H
H
Test_MODE B → A
Note:
1 The input negative voltage and output voltage
ratings may be exceeded if the input and output
current ratings are observed.
2 This value is limited to 3.6V maximum.
3 Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating only
and functional operation of the device at these or
any other condi-tions above those indicated in the
operational sec-tions of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
reliability.
Note:
1. H = HIGH Signal Level,
L = LOW Signal Level
X = Don’t Care or Irrelevant,
Z = High Impedance
2. Refer to Figure 2 for output Loading Chart
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2013-07-0006 PT0487 07/12/13
3
PI4ULS3V08
1.2V to 3.6V Universal Bidirectional Level
Shifter with Automatic Direction Control
Recommended Operating Conditions
(1)(2)(3)
Parameter
Description
V
CCI
Min
Max
Units
V
CCA
, V
CCB
Supply Voltage
-
1.2
3.6
V
V
IH
High-Level Input
I/O pins
1.2V to 1.95V
0.65 x
V
CCI
-
2.3V to 2.7V
1.7
-
2.7V to 3.6V
2
V
IL
Low-Level Input
I/O pins
1.2V to 1.95V
-
0.35 x
V
CCI
2.3V to 2.7V
-
0.7
2.7V to 3.6V
-
0.8
V
IHB
High-Level Input
Voltage
Control Inputs
(OE)
1.2V to 1.95V
0.65 x
V
CCB
-
2.3V to 2.7V
1.7
-
2.7V to 3.6V
2
-
V
ILB
Low-Level Input
Voltage
Control Inputs
(OE)
1.2V to 1.95V
-
0.35 x
V
CCB
2.3V to 2.7V
-
0.7
2.7V to 3.6V
-
0.8
V
I
Input Voltage
I/O pins and Control
-
0
3.6
V
O
Output Voltage
I/O pins and Control
-
0
3.6
I
OH
High-Level Output
I/O pins
V
CCO
= 1.2V
-
-3
mA
V
CCO
= 1.4V
-
-5
V
CCO
= 1.65V
-
-8
V
CCO
= 2.3V
-
-9
V
CCO
= 3.0V
-
-12
I
OL
Low-Level Output
I/O pins
V
CCO
= 1.2V
-
3
V
CCO
= 1.4V
-
5
V
CCO
= 1.65V
-
8
V
CCO
= 2.3V
-
9
V
CCO
= 3.0V
-
12
∆V/∆t
Input Transition rise or fall rate
-
-
10
V/ns
T
A
Operating Free-Air Temperature
-
-40
85
°C
Notes:
1. V
CCI
is the V
CC
associated with the data input port.
2. V
CCO
is the V
CC
associated with the data output port.
3. To ensure proper device operation, all unused device inputs must be held at V
CCI
or GND.
P1-P3P4-P6P7-P7

PI4ULS3V08ZFEX

Mfr. #:
Buy PI4ULS3V08ZFEX
Manufacturer:
Diodes Incorporated
Description:
Translation - Voltage Levels Universal Bi- directionaLevel
Lifecycle:
New from this manufacturer.
Delivery:
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