Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (V

−0.3V to +4V

LVCMOS/LVTTL Input Voltage

−0.3V to (V

LVCMOS/LVTTL Output

Voltage

−0.3V to (V

LVDS Receiver Input Voltage

−0.3V to 3.9V

LVDS Driver Output Voltage

−0.3V to 3.9V

LVDS Output Short Circuit

Duration

10 ms

Junction Temperature

+150˚C

Storage Temperature

−65˚C to +150˚C

Lead Temperature

(Soldering, 4 seconds)

+260˚C

Maximum Package Power Dissipation Capacity Package

De-rating:

48L TQFP

1/

θ

DS90C241

θ

JA

45.8 (4L*); 75.4 (2L*) ˚C/W

θ

JC

21.0˚C/W

DS90C124

θ

JA

45.4 (4L*); 75.0 (2L*)˚C/W

θ

JC

21.1˚C/W

*JEDEC

ESD Rating (HBM)

ESD Rating (ISO10605)

DS90C241 meets ISO 10605

Contact Discharge (D

Air Discharge (D

Recommended Operating

Conditions

Min

Nom

Max

Units

Supply Voltage (V

3.0

3.3

3.6

V

Operating Free Air

Temperature (T

−40

+25

+105

˚C

Clock Rate

5

35

MHz

Supply Noise

mV

P-P

Electrical Characteristics

Over recommended operating supply and temperature ranges unless otherwise specified.

Symbol

Parameter

Conditions

Pin/Freq.

Min

Typ

Max

Units

LVCMOS/LVTTL DC SPECIFICATIONS

V

IH

High Level Voltage

Tx: DIN[0:23], TCLK,

DEN, TRFB, DCAOFF,

DCBOFF, VODSEL

Rx: RRFB, REN

2.0

V

CC

V

V

IL

Low Level Input Voltage

GND

0.8

V

V

CL

Input Clamp Voltage

I

−0.7

−1.2

V

I

IN

Input Current

V

−10

+10

µA

Tx: TPWDNB

Rx: RPWDNB

−20

+20

µA

V

OH

High Level Output Voltage

I

ROUT[0:23], RCLK,

LOCK

2.3

3.0

V

CC

V

V

OL

Low Level Output Voltage

I

GND

0.33

0.5

V

I

OS

Output Short Circuit Current

V

−110

mA

I

OZ

RPWRDN = 0.8V,

V

ROUT[0:23], RCLK,

LOCK

−15

+15

µA

LVDS DC SPECIFICATIONS

V

TH

Differential Threshold High

Voltage

V

R

+100

mV

V

TL

Differential Threshold Low

Voltage

−100

mV

I

IN

Input Current

V

V

µA

V

µA

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