CDCV850, CDCV850I

2.5V PHASE LOCK LOOP CLOCK DRIVER

WITH 2LINE SERIAL INTERFACE

SCAS647B − OCTOBER 2000 − REVISED DECEMBER 2002

5

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

Input voltage

All inputs

VDDQ = 2.3 V,

II = –18 mA

–1.2

V

VOH

High-level output voltage

VDDQ = min to max, IOH = –1 mA

VDDQ – 0.1

V

VOH

High-level output voltage

VDDQ = 2.3 V,

IOH = –12 mA

1.7

V

Low-level output

VDDQ = min to max, IOL = 1 mA

0.1

VOL

Low-level output

voltage

VDDQ = 2.3 V,

IOL = 12 mA

0.6

V

VOL

voltage

SDATA

VDDI = 3.0 V,

IOL = 3 mA

0.4

V

IOH

High-level output current

VDDQ = 2.3 V,

VO = 1 V

–18

–32

mA

IOL

Low-level output current

VDDQ = 2.3 V,

VO = 1.2 V

26

35

mA

VO

Output voltage swing

For load condition see Figure 3

1.1

VDDQ – 0.4

V

VOX

Output differential cross

voltage

VDDQ/2 − 0.2 VDDQ/2

VDDQ/2 + 0.2

V

II

Input current

SDATA,

SCLK

VDDQ = 3.6 V,

VI = 0 V to 3.6 V

+10/−50

µA

II

Input current

CLK, FBIN

VDDQ = 2.7 V,

VI = 0 V to 2.7 V

±10

µA

IOZ

High-impedance-state output

current

VDDQ = 2.7 V,

VO = VDDQ or GND

±10

µA

IDDPD

Power-down current on VDDQ

+ AVDD

CLK at 0 MHz;

Σ of IDD and AIDD

150

250

µA

IDDPD

Power down current on VDDI

CLK at 0 MHz; VDDQ = 3.6 V

3

20

µA

IDD

Dynamic current on VDDQ

VDDQ = 2.7 V,

fO = 100 MHz

All differential output pairs are terminated

with 120

Ω / CL = 4 pF

205

230

mA

AI(DD)

Supply current on AVDD

AVDD = 2.7 V,

fO = 100 MHz

4

6

mA

IDDI

Supply current on VDDI

VDDI = 3.6 V

SCLK and

SDATA = 3.6 V

1

2

mA

CI

Input capacitance

VDDQ = 2.5 V

VI = VDDQ or GND

2

2.5

3

pF

CO

Output capacitance

VDDQ = 2.5 V

VO = VDDQ or GND

2.5

3

3.5

pF

† All typical values are at respective nominal VDDQ.

‡ The value of VOC is expected to be |VTR + VCP|/2. In case of each clock directly terminated by a 120-Ω resistor, where VTR is the true input

signal voltage and VCP is the complementary input signal voltage (see Figure 3).