SNLS302E May   2010  – February 2015 DS92LV2411 , DS92LV2412

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1. 3.1 Typical Application Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Serializer DC Electrical Characteristics
    6. 6.6  Deserializer DC Electrical Characteristics
    7. 6.7  DC and AC Serial Control Bus Characteristics
    8. 6.8  Recommended Timing For The Serial Control Bus
    9. 6.9  Recommended Serializer Timing For CLKIN
    10. 6.10 Serializer Switching Characteristics
    11. 6.11 Deserializer Switching Characteristics
    12. 6.12 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Serializer Functional Description
        1. 7.3.1.1 EMI Reduction Features
          1. 7.3.1.1.1 Data Randomization and Scrambling
          2. 7.3.1.1.2 Ser — Spread Spectrum Compatibility
        2. 7.3.1.2 Integrated Signal Conditioning Features — Ser
          1. 7.3.1.2.1 Ser — VOD Select (VODSEL)
          2. 7.3.1.2.2 Ser — De-Emphasis (De-Emph)
        3. 7.3.1.3 Power Saving Features
          1. 7.3.1.3.1 Ser — Power Down Feature (PDB)
          2. 7.3.1.3.2 Ser — Stop Clock Feature
          3. 7.3.1.3.3 1.8 V or 3.3 V VDDIO Operation
        4. 7.3.1.4 Ser — Pixel Clock Edge Select (RFB)
        5. 7.3.1.5 Optional Serial Bus Control
        6. 7.3.1.6 Optional BIST Mode
      2. 7.3.2 Deserializer Functional Description
        1. 7.3.2.1  Integrated Signal Conditioning Features — Des
          1. 7.3.2.1.1 Des — Input Equalizer Gain (Eq)
        2. 7.3.2.2  EMI Reduction Features
          1. 7.3.2.2.1 Des — Output Slew Rate Select (OS_CLKOUT/OS_DATA)
          2. 7.3.2.2.2 Des — Common Mode Filter Pin (CMF) — Optional
          3. 7.3.2.2.3 Des — SSCG Generation — Optional
          4. 7.3.2.2.4 1.8 V or 3.3 V VDDIO Operation
        3. 7.3.2.3  Power Saving Features
          1. 7.3.2.3.1 Des — Powerdown Feature (PDB)
          2. 7.3.2.3.2 Des — Stop Stream Sleep Feature
        4. 7.3.2.4  Des — Clock-Data Recovery Status Flag (Lock) And Output State Select (OSS_SEL)
        5. 7.3.2.5  Des — Oscillator Output — Optional
        6. 7.3.2.6  Des — OP_LOW — Optional
        7. 7.3.2.7  Des — Clock Edge Select (RFB)
        8. 7.3.2.8  Des — Control Signal Filter — Optional
        9. 7.3.2.9  Des — SSCG Low Frequency Optimization (Lf_mode)
        10. 7.3.2.10 Des — Strap Input Pins
      3. 7.3.3 Built In Self Test (BIST)
        1. 7.3.3.1 Sample BIST Sequence
        2. 7.3.3.2 BER Calculations
    4. 7.4 Device Functional Modes
      1. 7.4.1 Data Transfer
      2. 7.4.2 Serializer and Deserializer Operating Modes and Reverse Compatibility (Config[1:0])
      3. 7.4.3 Video Control Signal Filter — Serializer and Deserializer
    5. 7.5 Programming
      1. 7.5.1 Optional Serial Bus Control
    6. 7.6 Register Maps
  8. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Typical Application Connection
        2. 8.2.2.2 Power Up Requirements and PDB Pin
        3. 8.2.2.3 Transmission Media
        4. 8.2.2.4 Live Link Insertion
        5. 8.2.2.5 Serial Interconnect Guidelines
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Related Links
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

48-Pin WQFN
Package RHS
Top View
30065319.gif

Pin Functions, DS92LV2411 Serializer(1)

PIN TYPE DESCRIPTION
NAME NO.
LVCMOS PARALLEL INTERFACE
CI1 5 I, LVCMOS
w/ pull-down		 Control Signal Input
For Display/Video Application:
CI1 = Data Enable Input
Control signal pulse width must be 3 clocks or longer to be transmitted when the Control Signal Filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the Control Signal Filter is disabled (CONFIG[1:0] = 00).
The signal is limited to 2 transitions per 130 clocks regardless of the Control Signal Filter setting.
CI2 3 I, LVCMOS
w/ pull-down		 Control Signal Input
For Display/Video Application:
CI2 = Horizontal Sync Input
Control signal pulse width must be 3 clocks or longer to be transmitted when the Control Signal Filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the Control Signal Filter is disabled (CONFIG[1:0] = 00).
The signal is limited to 2 transitions per 130 clocks regardless of the Control Signal Filter setting.
CI3 4 I, LVCMOS
w/ pull-down		 Control Signal Input
For Display/Video Application:
CI3 = Vertical Sync Input
CI3 is limited to 1 transition per 130 clock cycles. Thus, the minimum pulse width allowed is 130 clock cycle wide.
CLKIN 10 I, LVCMOS
w/ pull-down		 Clock Input
Latch/data strobe edge set by RFB Pin.
DI[7:0] 34, 33, 32, 29, 28, 27, 26, 25 I, LVCMOS
w/ pull-down		 Parallel Interface Data Input Pins
For 8–bit RED Display: DI7 = R7 – MSB, DI0 = R0 – LSB.
DI[15:8] 42, 41, 40, 39, 38, 37, 36, 35 I, LVCMOS
w/ pull-down		 Parallel Interface Data Input Pins
For 8–bit GREEN Display: DI15 = G7 – MSB, DI8 = G0 – LSB.
DI[23:16] 2, 1, 48, 47, 46, 45, 44, 43 I, LVCMOS
w/ pull-down		 Parallel Interface Data Input Pins
For 8–bit BLUE Display: DI23 = B7 – MSB, DI16 = B0 – LSB.
CONTROL AND CONFIGURATION
BISTEN 31 I, LVCMOS
w/ pull-down		 BIST Mode — Optional
BISTEN = 0, BIST is disabled (normal operation)
BISTEN = 1, BIST is enabled
CONFIG[1:0] 13, 12 I, LVCMOS
w/ pull-down		 00: Control Signal Filter DISABLED. Interfaces with DS92LV2412 or DS92LV0412
01: Control Signal Filter ENABLED. Interfaces with DS92LV2412 or DS92LV0412
10: Reverse compatibility mode to interface with the DS90UR124 or DS99R124Q
11: Reverse compatibility mode to interface with the DS90C124
De-Emph 23 I, Analog
w/ pull-up		 De-Emphasis Control
De-Emph = open (float) - disabled
To enable De-emphasis, tie a resistor from this Pin to GND or control via register.
See Table 2.
This can also be controlled by I2C register access.
ID[x] 6 I, Analog I2C Serial Control Bus Device ID Address Select — Optional
Resistor to Ground and 10 kΩ pull-up to 1.8V rail. See Table 11.
PDB 21 I, LVCMOS
w/ pull-down		 Power-down Mode Input
PDB = 1, Ser is enabled (normal operation).
Refer to ”Power Up Requirements and PDB Pin” in the Applications Information Section.
PDB = 0, Ser is powered down
When the Ser is in the power-down state, the driver outputs (DOUT+/-) are both logic high, the PLL is shutdown, IDD is minimized. Control Registers are RESET.
RES[2:0] 18, 16, 15 I, LVCMOS
w/ pull-down		 Reserved - tie LOW
RFB 11 I, LVCMOS
w/ pull-down		 Clock Input Latch/Data Strobe Edge Select
RFB = 1, parallel interface data and control signals are latched on the rising clock edge.
RFB = 0, parallel interface data and control signals are latched on the falling clock edge.
This can also be controlled by I2C register access.
SCL 8 I, LVCMOS
Open Drain		 I2C Serial Control Bus Clock Input - Optional
SCL requires an external pull-up resistor to 3.3V.
SDA 9 I/O, LVCMOS
Open Drain		 I2C Serial Control Bus Data Input / Output - Optional
SDA requires an external pull-up resistor 3.3V.
VODSEL 24 I, LVCMOS
w/ pull-down		 Differential Driver Output Voltage Select
VODSEL = 1, CML VOD is ±420 mV, 840 mVp-p (typ) — long cable / De-Emph applications
VODSEL = 0, CML VOD is ±280 mV, 560 mVp-p (typ) — short cable (no De-emph), low power mode.
This is can also be control by I2C register.
CHANNEL-LINK II — CML SERIAL INTERFACE
DOUT- 19 O, CML Inverting Output.
The output must be AC Coupled with a 0.1 µF capacitor.
DOUT+ 20 O, CML Non–Inverting Output.
The output must be AC Coupled with a 0.1 µF capacitor.
POWER AND GROUND
GND DAP Ground DAP is the large metal contact at the bottom side, located at the center of the WQFN package. Connect to the ground plane (GND) with at least 9 vias.
VDDHS 17 Power TX High Speed Logic Power, 1.8 V ±5%
VDDIO 30 Power LVCMOS I/O Power, 1.8 V ±5% OR 3.3 V ±10%
VDDL 7 Power Logic Power, 1.8 V ±5%
VDDP 14 Power PLL Power, 1.8 V ±5%
VDDTX 22 Power Output Driver Power, 1.8 V ±5%
(1) NOTE: 1 = HIGH, 0 = LOW
The VDD (VDDn and VDDIO) supply ramp should be faster than 1.5 ms with a monotonic rise. If slower then 1.5 ms then a capacitor on the PDB Pin is needed to ensure PDB arrives after all the VDD have settled to the recommended operating voltage.
60-Pin WQFN
Package NKB
Top View
30065320.gif

Pin Functions, DS92LV2412 Deserializer (1)

PIN TYPE DESCRIPTION
NAME NO.
LVCMOS PARALLEL INTERFACE
CLKOUT 5 O, LVCMOS Pixel Clock Output
In power-down (PDB = 0), output is controlled by the OSS_SEL Pin (See Table 6). Data strobe edge set by RFB.
CO1 6 O, LVCMOS Control Signal Output
For Display/Video Application:
CO1 = Data Enable Output
Control signal pulse width must be 3 clocks or longer to be transmitted when the Control Signal Filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the Control Signal Filter is disabled (CONFIG[1:0] = 00).
The signal is limited to 2 transitions per 130 clocks regardless of the Control Signal Filter setting.
In power-down (PDB = 0), output is controlled by the OSS_SEL Pin (See Table 6).
CO2 8 O, LVCMOS Control Signal Output
For Display/Video Application:
CO2 = Horizontal Sync Output
Control signal pulse width must be 3 clocks or longer to be transmitted when the Control Signal Filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the Control Signal Filter is disabled (CONFIG[1:0] = 00).
The signal is limited to 2 transitions per 130 clocks regardless of the Control Signal Filter setting.
In power-down (PDB = 0), output is controlled by the OSS_SEL Pin (See Table 6).
CO3 7 O, LVCMOS Control Signal Output
For Display/Video Application:
CO3 = Vertical Sync Output
CO3 is different than CO1 and CO2 because it is limited to 1 transition per 130 clock cycles. Thus, the minimum pulse width allowed is 130 clock cycle wide.
The CONFIG[1:0] Pins have no affect on CO3 signal
In power-down (PDB = 0), output is controlled by the OSS_SEL Pin (See Table 6).
DO[7:0] 33, 34, 35, 36, 37, 39, 40, 41 I, STRAP,
O, LVCMOS		 Parallel Interface Data Output Pins
For 8–bit RED Display: DO7 = R7 – MSB, DO0 = R0 – LSB.
In power-down (PDB = 0), outputs are controlled by the OSS_SEL (See Table 6). These Pins are inputs during power-up (See STRAP Inputs).
DO[15:8] 20, 21, 22, 23, 25, 26, 27, 28 I, STRAP,
O, LVCMOS		 Parallel Interface Data Output Pins
For 8–bit GREEN Display: DO15 = G7 – MSB, DO8 = G0 – LSB.
In power-down (PDB = 0), outputs are controlled by the OSS_SEL (See Table 6). These Pins are inputs during power-up (See STRAP Inputs).
DO[23:16] 9, 10, 11, 12, 14, 17, 18, 19 I, STRAP,
O, LVCMOS		 Parallel Interface Data Input Pins
For 8–bit BLUE Display: DO23 = B7 – MSB, DO16 = B0 – LSB.
In power-down (PDB = 0), outputs are controlled by the OSS_SEL (See Table 6). These Pins are inputs during power-up (See STRAP Inputs).
LOCK 32 O, LVCMOS LOCK Status Output
LOCK = 1, PLL is Locked, outputs are active LOCK = 0, PLL is unlocked, DO[23:0], CO1, CO2, CO3 and CLKOUT output states are controlled by OSS_SEL (See Table 6). May be used as Link Status or to flag when Video Data is active (ON/OFF).
PASS 42 O, LVCMOS PASS Output (BIST Mode)
PASS = 1, error free transmission
PASS = 0, one or more errors were detected in the received payload
Route to test point for monitoring, or leave open if unused.
CONTROL AND CONFIGURATION — STRAP PINS (2)
CONFIG[1:0] 10 [DO22],
9 [DO23]		 STRAP
I, LVCMOS
w/ pull-down		 00: Control Signal Filter DISABLED. Interfaces with DS92LV2411 or DS92LV0411
01: Control Signal Filter ENABLED. Interfaces with DS92LV2411 or DS92LV0411
10: Reverse compatibility mode to interface with the DS90UR241 or DS99R241
11: Reverse compatibility mode to interface with the DS90C241
EQ[3:0] 20 [DO15],
21 [DO14],
22 [DO13],
23 [DO12]		 STRAP
I, LVCMOS
w/ pull-down		 Receiver Input Equalization
(See Table 3).
This can also be controlled by I2C register access.
LF_MODE 12 [DO20] STRAP
I, LVCMOS
w/ pull-down		 SSCG Low Frequency Mode
Only required when SSCG is enabled, otherwise LF_MODE condition is a DON’T CARE (X).
LF_MODE = 1, SSCG in low frequency mode (CLK = 5-20 MHz)
LF_MODE = 0, SSCG in high frequency mode (CLK = 20-50 MHz)
This can also be controlled by I2C register access.
MAP_SEL[1:0] 40[D],
41 [D]		 STRAP
I, LVCMOS
w/ pull-down		 Bit mapping reverse compatibility / DS90UR241 Options
Pin or Register Control
Default setting is b'00.
OP_LOW 42 [PASS] STRAP
I, LVCMOS
w/ pull-down		 Outputs held LOW when LOCK = 1
NOTE: Do not use any other strap options with this strap function enabled
OP_LOW = 1: all outputs are held LOW during power up until released by programming OP_LOW release/set register HIGH.
NOTE: Before the device is powered up, the outputs are in TRI-STATE
See Figure 26 and Figure 27
OP_LOW = 0: all outputs toggle normally as soon as LOCK goes HIGH (default)
This can also be controlled by I2C register access.
OS_CLKOUT 11 [DO21] STRAP
I, LVCMOS
w/ pull-down		 Output CLKOUT Slew Select
OS_CLKOUT = 1, Increased CLKOUT slew rate
OS_CLKOUT = 0, Normal CLKOUT slew rate (default)
This can also be controlled by I2C register access.
OS_DATA 14 [DO19] STRAP
I, LVCMOS
w/ pull-down		 Output DO[23:0], CO1, CO2, CO3 Slew Select
OS_DATA = 1, Increased DO slew rate
OS_DATA = 0, Normal DO slew rate (default)
This can also be controlled by I2C register access.
OSS_SEL 17 [DO18] STRAP
I, LVCMOS
w/ pull-down		 Output Sleep State Select
OSS_SEL is used in conjunction with PDB to determine the state of the outputs in Power Down (Sleep). (See Table 6).
NOTE: OSS_SEL STRAP CANNOT BE USED IF OP_LOW = 1
This can also be controlled by I2C register access.
RFB 18 [DO17] STRAP
I, LVCMOS
w/ pull-down		 Clock Output Strobe Edge Select
RFB = 1, parallel interface data and control signals are strobed on the rising clock edge.
RFB = 0, parallel interface data and control signals are strobed on the falling clock edge.
This can also be controlled by I2C register access.
OSC_SEL[2:0] 26 [DO10],
27 [DO9],
28 [DO8]		 STRAP
I, LVCMOS
w/ pull-down		 Oscillator Selectl
(See Table 7 and Table 8).
This can also be controlled by I2C register access.
SSC[3:0] 34 [DO6],
35 [DO5],
36 [DO4],
37 [DO3]		 STRAP
I, LVCMOS
w/ pull-down		 Spread Spectrum Clock Generation (SSCG) Range Select
(See Table 4 and Table 5).
This can also be controlled by I2C register access.
CONTROL AND CONFIGURATION
BISTEN 44 I, LVCMOS
w/ pull-down		 BIST Enable Input — Optional
BISTEN = 0, BIST is disabled (normal operation)
BISTEN = 1, BIST is enabled
ID[x] 56 I, Analog I2C Serial Control Bus Device ID Address Select — Optional
Resistor to Ground and 10 kΩ pull-up to 1.8V rail. (See Table 11).
NC 1, 15, 16, 30, 31, 45, 46, 60 Not Connected
Leave Pin open (float)
PDB 59 I, LVCMOS
w/ pull-down		 Power Down Mode Input
PDB = 1, Des is enabled (normal operation).
Refer to “Power Up Requirements and PDB Pin” in the Applications Information Section.
PDB = 0, Des is in power-down.
When the Des is in the power-down state, the LVCMOS output state is determined by Table 6. Control Registers are RESET.
RES 47 I, LVCMOS
w/ pull-down		 Reserved - tie LOW
SCL 3 I, LVCMOS
Open Drain		 I2C Serial Control Bus Clock Input - Optional
SCL requires an external pull-up resistor to 3.3V.
SDA 2 I/O, LVCMOS
Open Drain		 I2C Serial Control Bus Data Input / Output - Optional
SDA requires an external pull-up resistor to 3.3V.
CHANNEL-LINK II — CML SERIAL INTERFACE
CMF 51 I, Analog Common-Mode Filter
VCM center-tap is a virtual ground which may be AC coupled to ground to increase receiver common mode noise immunity. Recommended value is 4.7 μF or higher.
RIN+ 49 I, CML True Input. The input must be AC Coupled with a 0.1 μF capacitor.
RIN- 50 I, CML Inverting Input. The input must be AC Coupled with a 0.1 μF capacitor.
ROUT+ 52 O, CML True Output — Receive Signal after the Equalizer
NC if not used or connect to test point for monitor. Requires I2C control to enable.
ROUT- 53 O, CML Inverting Output — Receive Signal after the Equalizer
NC if not used or connect to test point for monitor. Requires I2C control to enable.
POWER AND GROUND(3)
GND DAP Ground DAP is the large metal contact at the bottom side, located at the center of the WQFN package. Connected to the ground plane (GND) with at least 9 vias.
VDDCMLO 54 Power RX High Speed Logic Power, 1.8 V ± 5%
VDDIO 13, 24, 38 Power LVCMOS I/O Power, 1.8 V ± 5% OR 3.3 V ± 10% (VDDIO)
VDDIR 48 Power Input Power, 1.8 V ±5%
VDDL 29 Power Logic Power, 1.8 V ±5%
VDDPR 57 Power PLL Power, 1.8 V ±5%
VDDR 43, 55 Power RX High Speed Logic Power, 1.8 V ±5%
VDDSC 4, 58 Power SSCG Power, 1.8 V ±5%
(1) NOTE: 1 = HIGH, 0 = LOW
The VDD (VDDn and VDDIO) supply ramp should be faster than 1.5 ms with a monotonic rise. If slower then 1.5 ms then a capacitor on the PDB Pin is needed to ensure PDB arrives after all the VDD have settled to the recommended operating voltage.
(2) For a High State, use a 10 kΩ pull up to VDDIO; for a Low State, the IO includes an internal pull down. The STRAP Pins are read upon power-up and set device configuration. Pin Number listed along with shared data output name in square brackets.
(3) Power must be supplied to all power Pins for normal operation