CDCE72010 datasheet(9/70 Pages) TI

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AC/DC CHARACTERISTICS (CONTINUED)

CDCE72010

www.ti.com...................................................................................................................................................................................................... SCAS858 – JUNE 2008

over the specified industrial temperature range of –40°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

LVCMOS Output

Output frequency (see

fclk

Load = 5 pF to GND

250

MHz

Figure 2 )

High-level output voltage

VOH

VCC = min to max

IOH = –100 µA

VCC – 0.5

for LVCMOS outputs

Low-level output voltage

VOL

VCC = min to max

IOL=100 µA

0.3

for LVCMOS outputs

IOH

High-level output current

VCC = 3.3 V

VO = 1.65 V

–30

IOL

Low-level output current

VCC = 3.3 V,

VO = 1.65 V

Phase offset without

VCXO at 491.52MHz, Output 1 is divide by

tpho

using available delay

16 and reference at 30.72MHz, M and N

adjustment

delays are fixed to one value (set to 0).

tpd(LH)/

Propagation delay from

Crosspoint to VCC/2, load = 5 pF, (PLL

3.3

tpd(HL)

VCXO_IN to Outputs

bypass mode)

Divide by 1 for all dividers

Skew, output-to-output

Divide by 16 for all dividers

tsk(o)

LVCMOS single-ended

Divide by 1 for divider 1 divide by 16 for all

output

1400

other dividers

Output capacitance on Y0

VCC = 3.3 V; VO = 0 V or VCC

to Y8

Output capacitance on Y9 VCC = 3.3 V; VO = 0 V or VCC

3-state LVCMOS output

IOZH

VO = VCC

µA

current

3-state LVCMOS output

IOZL

VO = 0V

–5

µA

current

Power-down output

IOPDH

VO = VCC

µA

current

Power-down output

IOPDL

VO = 0V

µA

current

Duty cycle

LVCMOS

50% to 50%

tslew-rate

Output rise/fall slew rate

3.6

5.2

V/ns

(1)

All typical values are at VCC = 3.3 V, TA = 25°C.

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