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PDF PI4ULS3V16 Data sheet ( Hoja de datos )
| Número de pieza | PI4ULS3V16 | |
| Descripción | 1.2V to 3.6V Universal Bi-directional Level Shifter | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI4ULS3V16
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1.2V to 3.6V Universal Bidirectional Level Shifter
with Automatic Direction Control
Features
PI4ULS3V16 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: 56-contact plastic 197-mil TQFN
Pin Configuration
Description
PI4ULS3V16, is a 16-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 PI4ULS3V16 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 xSEL, xOE, 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
Pin Description
Pin Name
xOE
xSEL
xAx
xBx
TEST_EN
OUT_SEL
GND
VccA,VCCB
TSTx
Description
3-State Output Enable Inputs (Active Low)
Outputs Loading Selection
Side A Inputs/Outputs
Side B Inputs/Outputs
Enable Test Mode
Output impedance select
Ground
Power
Internal test pins. For normal usage, please
tie to ground
TQFN-56L(Top View)
2013-07-0004
PT0483 07/12/13
1
1 page  
PI4ULS3V16
1.2V to 3.6V Universal Bidirectional Level
Shifter with Automatic Direction Control
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(VCCA = 1.8V±0.15V, Over recommended free-air temperature range, unless otherwise noted.)
Parameter
From
(Input)
To
(Output)
VCCB = 1.2V
Typ
VCCB = 1.5V
±0.1V
Min Max
VCCB = 1.8V
±0.15V
Min Max
VCCB = 2.5V
±0.2V
Min Max
VCCB = 3.3V
±0.3V
Min Max
Units
tPD
tsk(a)(1)
tsk(b)(1)
AB
BA
-
-
8 1.0 6.0 0.5 5.5 0.5 5.0 0.5 4.5
6 1.0 6.0 0.5 5.5 0.5 5.0 0.5 4.5
- - 0.25 - 0.25 - 0.25 - 0.25 ns
-
- 0.2 - 0.2 - 0.2 -
0.2
fmax
10pF load
B
A
A
B
25
35 - 45 - 55 - 65
-
MHz
30
40 - 45 - 50 - 55
-
(VCCA = 2.5V±0.2V, Over recommended free-air temperature range, unless otherwise noted.)
Parameter
From
(Input)
To
(Output)
VCCB = 1.2V
Typ
VCCB = 1.5V
±0.1V
Min Max
VCCB = 1.8V
±0.15V
Min Max
VCCB = 2.5V
±0.2V
Min Max
tPD
tsk(a)(1)
tsk(b)(1)
AB
BA
-
-
8 1.0 5.5 0.5 5.0 0.5 4.5
6 1.0 5.5 0.5 5.0 0.5 4.5
- - 0.25 - 0.25 - 0.25
- - 0.2 - 0.2 - 0.2
VCCB = 3.3V
±0.3V
Min Max
0.5 4.0
0.5 4.0
- 0.25
- 0.2
Units
ns
fmax
10pF load
B
A
A
B
30
40 - 50 - 75 - 80
-
MHz
40
50 - 55 - 75 - 80
-
(VCCA = 3.3V±0.3V, Over recommended free-air temperature range, unless otherwise noted.)
Parameter
From
(Input)
To
(Output)
VCCB = 1.2V
Typ
VCCB = 1.5V
±0.1V
Min Max
VCCB = 1.8V
±0.15V
Min Max
VCCB = 2.5V
±0.2V
Min Max
tPD
tsk(a)(1)
tsk(b)(1)
AB
BA
-
-
7 1.0 5.0 0.5 4.5 0.5 4.0
6 1.0 5.0 0.05 4.5 0.5 4.0
- - 0.25 - 0.25 - 0.25
- - 0.2 - 0.2 - 0.2
VCCB = 3.3V
±0.3V
Min Max
0.5 3.5
0.5 3.5
- 0.25
- 0.2
Units
ns
fmax
10pF load
B
A
A
B
30
40 - 55 - 80 - 90
-
MHz
40
60 - 65 - 80 - 90
-
Note:
1. This is the skew between any two outputs of the same package, and switching in the same direction. For tsk(a), Output 1
and Output 2 are any two outputs. For tsk(b), Output 1 and Output 2 are in the same bank. These parameters are warranted
but not production tested.
2013-07-0004
PT0483 07/12/13
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PI4ULS3V16.PDF ] | |
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