DS92LV2421SQX-NOPB datasheet(10/50 Pages) TI1

Part #	DS92LV2421SQX-NOPB

Description	DS92LV2421/DS92LV2422 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer

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Manufacturer	TI1 [Texas Instruments]

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DS92LV2421, DS92LV2422

SNLS321B – MAY 2010 – REVISED APRIL 2013

www.ti.com

Recommended Operating Conditions

Min(1)

Nom

Max(1)

Units

Supply Voltage (VDDn)

1.71

1.8

1.89

V

LVCMOS Supply Voltage (VDDIO)

1.71

1.8

1.89

V

OR

LVCMOS Supply Voltage (VDDIO)

3.0

3.3

3.6

V

Operating Free Air Temperature (TA)

−40

+25

+85

°C

Clock Frequency

10

75

MHz

Supply Noise(2)

50

mVP-P

(1)

Specification is verified by design and is not tested in production.

(2)

Supply noise testing was done with minimum capacitors on the PCB. A sinusoidal signal is AC coupled to the VDDn (1.8V) supply with

amplitude = 100 mVp-p measured at the device VDDn 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.

Serializer DC Electrical Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified.

(1) (2) (3)

Symbol

Parameter

Conditions

Pin/Freq.

Min(4)

Typ

Max(4)

Units

LVCMOS INPUT DC SPECIFICATIONS

VIH

High Level Input

VDDIO = 3.0 to 3.6V

DI[23:0],

2.2

VDDIO

V

Voltage

CI1,CI2,CI3,

VDDIO = 1.71 to 1.89V

0.65*

VDDIO

V

CLKIN, PDB,

VDDIO

VODSEL,

VIL

Low Level Input

VDDIO = 3.0 to 3.6V

GND

0.8

V

RFB,

Voltage

BISTEN,

VDDIO = 1.71 to 1.89V

GND

0.35*

V

CONFIG[1:0]

VDDIO

IIN

Input Current

VIN = 0V or VDDIO

VDDIO = 3.0

−15

±1

+15

μA

to 3.6V

VDDIO = 1.7

−15

±1

+15

μA

to 1.89V

CML DRIVER DC SPECIFICATIONS(5)

VOD

Differential Output

RL = 100Ω,

VODSEL = 0

±205

±280

±355

mV

Voltage

De-emph = disabled, Figure 4

VODSEL = 1

±320

±420

±520

VODp-p

Differential Output

VODSEL = 0

560

mVp-p

Voltage

VODSEL = 1

840

mVp-p

(DOUT+) –

(DOUT-)

ΔVOD

Output Voltage

RL = 100Ω, De-emph = disabled, VODSEL = L

1

50

mV

Unbalance

VOS

Offset Voltage –

RL = 100Ω,

VODSEL = 0

1.65

V

DOUT+,

Single-ended

De-emph = disabled

DOUT-

VODSEL = 1

1.57

V

At TP A & B,

5

Figure 3

ΔVOS

Offset Voltage

RL = 100Ω, De-emph = disabled

1

mV

Unbalance

Single-ended

At TP A & B,

Figure 3

IOS

Output Short

DOUT+/- = 0V,

VODSEL = 0

−36

mA

Circuit Current

De-emph = disabled

(1)

The Electrical Characteristics tables list verified 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

verified.

(2)

Typical values represent most likely parametric norms at VDD = 3.3V, Ta = +25 degC, and at the Recommended Operation Conditions at

the time of product characterization and are not verified.

(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.

(4)

Specification is verified by design and is not tested in production.

(5)

Specification is verified by characterization and is not tested in production.

10

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