STSLVDSP27
8-bit low voltage serializer with 1.8V high speed
dual differential line drivers and embedded DPLL
Features
■ Sub-low voltage differential signaling:
= 150mV with R = 100Ω, C = 10pF
V
OD
T
L
■ Clock range: 4 to 27 MHz in parallel mode,
BYP = Gnd
Flip-Chip20
■ Operative frequency serial mode, BYP = V
;
DD
DIN0 to DOUT, CLKIN to CLKOUT,
serializer IC is provided with two power supply
rails, V and V . The first supply is related to
f
= 1 to 208 MHz max
OPR
DD
IO
the logic levels of the input data (DIN0-DIN7,
CLKIN) and Enables (EN, BYP, DV0, DV1) pins.
■ Embedded DPLL requires no external
components
V
provides the power supply to the output
IO
■ Output voltage rise and fall times
current drivers in the device. V is always
IO
t
= t
= 610ps typ at f
= 208MHz
rVOD
fVOD
OPR
expected to be a nominal 1.8V. V depends on
DD
the application, but will always be equal to or
■ High speed propagation delay times
~t = 2.1ns typ at V = 3.0V; V = 1.8V
higher than V . In order to minimize static current
IO
t
pLH pHL
DD
IO
consumption, it is possible to shut down the
transmitters when the interface is not used by
setting a power-down (EN) pin. This operation
reduces the maximum current consumption to
20µA, making this device ideal for portable
applications like mobile phones and portable
battery equipment. Simplified functionality can be
reached using the BYP select pin, which disables
the internal DPLL circuitry. When this pin is High
the device can work with serialized signals from
DIN0 input only. A synchronous CLKIN signal
must be provided and it will be put-out using sub-
LVDS level by CLKOUT port; the sub-LVDS data
will be put-out by DOUT port at a maximum
frequency of 208Mhz. This innovative device
provides an optimized high-speed link solution
from different CMOS sensor devices (parallel or
serial outputs) to more advanced graphic
■ Operating voltage range:
V
V
(OPR) = 2.5V to 3.6V
(OPR) = 1.65V to 1.95V
DD
IO
■ High impedance on driver outputs
= 1µA max; EN = Gnd; V = Gnd or V
IO
I
OZ
O
■ Low voltage CMOS input threshold
(DIN0-DIN7, CLKIN, EN, BYP, DVO, DV1)
V = 0.3 x V max; V = 0.7 x V min
IL
DD
IH
DD
■ 3.6V tolerant on all inputs
(DIN0-DIN7, CLKIN, EN, BYP, DV0, DV1)
■ Lead-free Flip-Chip package
■ SMIA CCP1 (MIPI CSI-1) compatible PHY
Description
controllers in mobile phone applications. All inputs
and outputs are equipped with protection circuits
against static discharge, providing ESD immunity
from transient excess voltage. The STSLVDSP27
is designed for operation over the commercial
temperature range -40°C to 85°C.
The STSLVDSP27 is an 8:1 bit serializer with
embedded DPLL. The dual differential line drivers
implement the electrical characteristics of sub-low
voltage differential signaling (subLVDS), bringing
out the serialized data and related synchronous
clock signal. The STSLVDSP27
Order code
Part number
Temperature range
Package
Flip-Chip20 (Tape & Reel)
Rev. 1
Packaging
STSLVDSP27BJR
-40 to 85 °C
3000 parts per reel
June 2007
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www.st.com
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