TDA2SA datasheet(375/427 Pages) TI2

375 / 427 page

DEVICE

PCB_SATA_1

SATA

Connector

sata1_txp0

sata1_txn0l

sata1_rxp0

sata1_rxn0

SATA Interface

375

TDA2SX, TDA2SG, TDA2SA

TDA2HG, TDA2HV, TDA2HF, TDA2LF

www.ti.com

SPRS951F – DECEMBER 2015 – REVISED MAY 2019

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Product Folder Links: TDA2SX TDA2SG TDA2SA TDA2HG TDA2HV TDA2HF TDA2LF

Applications, Implementation, and Layout

Table 8-18. HDMI PCB Stackup Specifications (continued)

PARAMETER

MIN

TYP

MAX

UNIT

Signal Routing Layers

Layers

Number of ground plane cuts allowed within HDMI routing

region

Cuts

Number of layers between HDMI routing region and

reference ground plane

Layers

PCB Trace width

Mils

8.5.4.6

Grounding

Each TMDS channel has its own shield pin and they should be grounded to provide a return current path

for the TMDS signal.

8.5.5

SATA Board Design and Layout Guidelines

The device provides one SATA port. This section provides the timing specification for the SATA interface

as a PCB design and manufacturing specification. The design rules constrain PCB trace length, PCB trace

skew, signal integrity, cross-talk, and signal timing. TI has performed the simulation and system design

work to ensure the SATA interface requirements are met.

8.5.5.1

SATA Interface Schematic

Figure 8-45 shows the data portion of the SATA interface schematic.

Figure 8-45. SATA Interface High Level Schematic

NOTE

AC coupling capacitors (C) are required on the receive and transmit data pairs. Table 8-19

shows the requirements for these capacitors.

Table 8-19. SATA AC Coupling Capacitors Requirements

PARAMETER

MIN

TYP

MAX

UNIT

SATA AC coupling capacitor value

0.3

SATA AC coupling capacitor package size

0402

0603

EIA(1)(2)

(1) EIA LxW units, i.e., a 0402 is a 40x20 mils surface mount capacitor.

(2) The physical size of the capacitor should be as small as practical. Use the same size on both lines in each pair placed side by side.

8.5.5.2

Compatible SATA Components and Modes

Table 8-20 shows the compatible SATA components and supported modes. Note that the only supported

configuration is an internal cable from the processor host to the SATA device.

TDA2SA Datasheet(PDF) 375 Page - Texas Instruments

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