"DS92LV2411 LVDS串行器技术规格及使用指南"

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The TI-DS92LV2411 is a high-speed LVDS serializer designed for use in various applications such as graphics processors and channel links. It features differential inputs DI[7:0], clock inputs CI2 and CI3, and a PDB serializer and deserializer. The device operates with a 100 ohm STP cable and supports the transmission of data over one pair using AC coupling. The DS92LV2411 includes various control and configuration options such as VDDIO, PDB, SCL, SDA, RFB, VODSEL, DeEmph, BISTEN, LOCK, ID[x], and DAP. These features allow for flexible integration with different systems and signal processing requirements. The device also supports optional features such as 1.8V or 3.3V operation, as well as different configuration settings for RIN, DOUT, and other pins. The LVDS serializer is compatible with ASICs, FPGAs, and other devices that require high-speed data transmission. It allows for the connection of up to 24-bit RGB displays, video imagers, and other peripherals. The device is easy to configure and install, making it suitable for a wide range of applications in the consumer electronics, automotive, and industrial sectors. Overall, the TI-DS92LV2411 is a versatile and reliable LVDS serializer that offers high performance and flexibility for demanding applications. Its robust design and extensive feature set make it an ideal choice for designers looking to implement high-speed data communication in their systems.

DS92LV2411

DS92LV2412

SNLS302E –MAY 2010–REVISED FEBRUARY 2015

www.ti.com

7 Specifications

7.1 Absolute Maximum Ratings

(1)(2)(3)

MIN MAX UNIT

Supply Voltage – V

DDn

(1.8 V) −0.3 2.5 V

Supply Voltage – V

DDIO

−0.3 4.0 V

LVCMOS I/O Voltage −0.3 (VDDIO + 0.3) V

Receiver Input Voltage −0.3 (VDD + 0.3) V

Driver Output Voltage −0.3 (VDD + 0.3) V

Junction Temperature +150 °C

Storage Temperature Range (T

stg

) −65 +150 °C

(1) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and

specifications.

(2) “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of

device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating

Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions.

(3) For soldering specifications, see product folder at www.ti.com and http://www.ti.com/lit/SNOA549

7.2 ESD Ratings

VALUE UNIT

Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001

(1)

±8000

Charged-device model (CDM), per JEDEC specification JESD22-

(ESD)

Electrostatic discharge ±1000 V

C101

(2)

Machine Model (MM) ±250

IEC61000–4–2), R

= 330Ω, C

= 150pF

Air Discharge (D

OUT+

, D

OUT-

) ±2500

Contact Discharge (D

OUT+

, D

OUT-

) ±800

(ESD)

Electrostatic discharge V

Air Discharge (R

IN+

, D

IN-

) ±2500

Contact Discharge (R

IN+

, R

IN-

) ±800

(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Manufacturing with

less than 500-V HBM is possible if necessary precautions are taken. Pins listed as D

OUT+

, D

OUT-

or R

IN+

, D

IN-

may actually have higher

performance.

(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. Manufacturing with

less than 250-V CDM is possible if necessary precautions are taken. Pins listed as D

OUT+

, D

OUT-

or R

IN+

, D

IN-

may actually have higher

performance.

7.3 Recommended Operating Conditions

MIN TYP MAX UNIT

Supply Voltage (V

DDn

) 1.71 1.8 1.89 V

LVCMOS Supply Voltage (V

DDIO

) 1.71 1.8 1.89 V

LVCMOS Supply Voltage (V

DDIO

) 3.0 3.3 3.6 V

Operating Free Air Temperature (T

) −40 +25 +85 °C

Clock Frequency 5 50 MHz

Supply Noise

(1)

50 mV

P-P

(1) Supply noise testing was done with minimum capacitors on the PCB. A sinusoidal signal is AC coupled to the V

DDn

(1.8V) supply with

amplitude = 100 mVp-p measured at the device V

DDn

Pins. Bit error rate testing of input to the Ser and output of the Des with 10 meter

cable shows no error when the noise frequency on the Ser is less than 750 kHz. The Des on the other hand shows no error when the

noise frequency is less than 400 kHz.

Product Folder Links: DS92LV2411 DS92LV2412

DS92LV2411

DS92LV2412

www.ti.com

SNLS302E –MAY 2010–REVISED FEBRUARY 2015

7.4 Thermal Information

RHS

(2)

NKB

(3)

THERMAL METRIC

(1)

UNIT

48 PINS 60 PINS

θJA

Junction-to-ambient thermal resistance 27.1 24.6

°C/W

θJC(top)

Junction-to-case (top) thermal resistance 4.5 2.8

(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

(2) Ratings for maximum dissipation capacity (215 mW).

(3) Ratings for maximum dissipation capacity (478 mW).

7.5 Serializer DC Electrical Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified.

(1)(2)(3)

PARAMETER TEST CONDITIONS PIN/FREQ. MIN TYP MAX UNIT

LVCMOS INPUT DC SPECIFICATIONS

DDIO

= 3.0 to 3.6V 2.2 V

DDIO

High Level Input

0.65*

Voltage

DDIO

= 1.71 to 1.89V V

DDIO

DI[23:0],

DDIO

= 3.0 to 3.6V GND 0.8

Low Level Input CI1,CI2,CI3, CLKIN,

0.35*

Voltage PDB, VODSEL,

DDIO

= 1.71 to 1.89V GND

DDIO

RFB, BISTEN,

CONFIG[1:0]

DDIO

= 3.0 to

–15 ±1 +15

3.6V

Input Current V

= 0V or V

DDIO

μA

DDIO

= 1.71 to

–15 ±1 +15

1.89V

CML DRIVER DC SPECIFICATIONS

VODSEL = 0 ±205 ±280 ±355

Differential Output

Voltage

RL = 100Ω, De- VODSEL = 1 ±320 ±420 ±520

emph = disabled,

Differential Output VODSEL = 0 560 mVp-p

Figure 2

ODp-p

Voltage (DOUT+) –

VODSEL = 1 840 mVp-p

(DOUT-)

= 100Ω, De-

ΔV

emph = disabled, 1 50 mV

VODSEL = L

Offset Voltage – R

= 100Ω, De- VODSEL = 0 0.65 V

Single-ended At TP A emph = disabled

DOUT+, DOUT-

VODSEL = 1 1.575 V

and B, Figure 1

Offset Voltage R

= 100Ω, De-emph = disabled

Unbalance Single-

ΔV

1 mV

ended At TP A and B,

Figure 1

DOUT+/- = 0V,

Output Short Circuit

De-emph = VODSEL = 0 –36 mA

Current

disabled

Internal Output

80 100 120 Ω

Termination Resistor

(1) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as

otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and

are not ensured.

(2) Typical values represent most likely parametric norms at V

= 3.3V, Ta = +25 degC, and at the Recommended Operation Conditions at

the time of product characterization and are not ensured.

(3) Current into device Pins is defined as positive. Current out of a device Pin is defined as negative. Voltages are referenced to ground

except VOD, ΔVOD, VTH and VTL which are differential voltages.

Product Folder Links: DS92LV2411 DS92LV2412

DS92LV2411

DS92LV2412

SNLS302E –MAY 2010–REVISED FEBRUARY 2015

www.ti.com

Serializer DC Electrical Characteristics (continued)

Over recommended operating supply and temperature ranges unless otherwise specified.

(1)(2)(3)

PARAMETER TEST CONDITIONS PIN/FREQ. MIN TYP MAX UNIT

SUPPLY CURRENT

Serializer Supply Checker Board V

= 1.89V All V

Pins 75 85 mA

DDT1

Current (includes load Pattern, De-emph

DDIO

= 1.89V 3 5 mA

current) R

= 100 Ω, = 3kΩ, VODSEL

DDIO

DDIOT1

DDIO

= 3.6V 11 15 mA

CLKIN = 50 MHz = H, Figure 9

Checker Board V

DD33

= 1.89V All V

Pins 65 75 mA

DDT2

Pattern, De-emph

DDIO

= 1.89V 3 5 mA

= 6kΩ, VODSEL

DDIO

DDIOT2

DDIO

= 3.6V 11 15 mA

= L, Figure 9

Serializer Supply PDB = 0V , (All V

DD33

= 1.89V All V

Pins 40 1000 µA

DDZ

Current Power-down other LVCMOS

DDIO

= 1.89V 5 10 µA

Inputs = 0V)

DDIO

DDIOZ

DDIO

= 3.6V 10 20 µA

7.6 Deserializer DC Electrical Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified.

(1) (2) (3)

PARAMETER TEST CONDITIONS PIN/FREQ. MIN TYP MAX UNIT

3.3 V I/O LVCMOS DC SPECIFICATIONS – VDDIO = 3.0 to 3.6V

High Level Input

2.2 V

DDIO

Voltage

Low Level Input PDB, BISTEN

GND 0.8 V

Voltage

Input Current V

= 0V or V

DDIO

–15 ±1 +15 μA

= −0.5 mA, RDS = L V

High Level Output

DO[23:0], CO1,

2.4 V

DDIO

Voltage

CO2, CO3, V

CLKOUT, LOCK,

Low Level Output I

= +0.5 mA, RDS = L

GND 0.4 V

PASS

Voltage

DDIO

= 3.3V, V

OUT

= 0V,

CLKOUT

OS_PCLK/DATA = L/H

Output Short Circuit

36 mA

Current

DDIO

= 3.3V, V

OUT

= 0V,

Outputs

OS_PCLK/DATA = L/H

TRI-STATE Output

PDB = 0V, OSS_SEL = 0V, V

OUT

= H Outputs –15 +15 μA

Current

1.8 V I/O LVCMOS DC SPECIFICATIONS – VDDIO = 1.71 to 1.89V

High Level Input

1.235 V

DDIO

Voltage

Low Level Input PDB, BISTEN

GND 0.595 V

Voltage

Input Current V

= 0V or V

DDIO

–15 ±1 +15 µA

High Level Output I

= −0.5 mA, RDS = L V

DDIO

–

DO[23:0], CO1,

DDIO

Voltage 0.45

CO2, CO3,

CLKOUT, LOCK,

Low Level Output I

= +0.5 mA, RDS = L

GND 0.45 V

PASS

Voltage

DDIO

= 1.8V, V

OUT

= 0V,

CLKOUT 18 mA

OS_PCLK/DATA = L/H

Output Short Circuit

Current

DDIO

= 1.8V, V

OUT

= 0V,

Outputs 18 mA

OS_PCLK/DATA = L/H

(1) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as

otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and

are not ensured.

(2) Typical values represent most likely parametric norms at V

= 3.3V, Ta = +25 degC, and at the Recommended Operation Conditions at

the time of product characterization and are not ensured.

(3) Current into device Pins is defined as positive. Current out of a device Pin is defined as negative. Voltages are referenced to ground

except VOD, ΔVOD, VTH and VTL which are differential voltages.

Product Folder Links: DS92LV2411 DS92LV2412

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