PI3EQX4951ST Datasheet, PDF (8/9 Pages) Pericom Semiconductor Corporation – 3.3V, 1-port, SATA2 i/m ReDriver with Analog/Digital Configuration

PI3EQX4951ST
3.3V, 1-Port, SATA2 i/m ReDriver™with Analog/Digital Configuration
V_DD J1
MODE
x_EQ
EQ
x_EM
xO+
xO-
Recommended coupling
capacitors are 4.7nF
REM
1.0K<REM<15K
REM sets output
emphasis level
(See table)
Equalization Setting for PCB Trace or Cable
Output
Output
T/S/T 4/8/4 mil AWG 28 SATA J1
FR4 PCB trace Cable
< 6 inch
< 36 inch
0
> 6 inch
> 36 inch
open
REM Suggested Inital Test Values for PCB Trace or Cable
Output
Output
T/S/T 4/8/4 mil AWG 28 SATA
FR4 PCB trace Cable
Pre-emphasis
dB
REM
< 3 inch
< 18 inch
0
33k
4 inch
30 inch
1.5dB
10k
6 inch
30 inch
2.0dB
7.2k
8 inch
40 inch
2.5dB
6.2k
12 inch
60 inch
3.5dB
3.3k
16 inch
48 inch
4.5dB
2.2k
24 inch
48 inch
6.0dB
1.1k
Enhanced Mode Implementation Diagram
10-0142
NC
NC
Notes:
1. Control pins are with internal 150k pull up R.
2. The R6, R10, R11 are use in standard mode.
Application Schematic
8
www.pericom.com
PS9072A
03/23/10