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PARAMETER MEASUREMENT INFORMATION

10 pF

LVCMOS

CDCE913

CDCEL913

1kW

LVCMOS

CDCE913

CDCEL913

TypicalDriver

Impedance

~32 W

LineImpedance

Zo=50 W

Series

Termination

~18 W

CDCE913

CDCEL913

SCAS849A – JUNE 2007 – REVISED AUGUST 2007

DEVICE CHARACTERISTICS (continued)

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

CDCEL913 — LVCMOS PARAMETER for VDDOUT = 1.8 V – Mode

VDDOUT = 1.7 V, IOH = –0.1 mA

1.6

VOH

LVCMOS high-level output voltage

VDDOUT = 1.7 V, IOH = –4 mA

1.4

VDDOUT = 1.7 V, IOH = –8 mA

1.1

VDDOUT = 1.7 V, IOL = 0.1 mA

0.1

VOL

LVCMOS low-level output voltage

VDDOUT = 1.7 V, IOL = 4 mA

0.3

VDDOUT = 1.7 V, IOL = 8 mA

0.6

tPLH, tPHL

Propagation delay

PLL bypass

2.6

tr/tf

Rise and fall time

VDDOUT = 1.8 V (20%–80%)

0.7

tjit(cc)

Cycle-to-cycle jitter (6)(7)

1 PLL switching, Y2-to-Y3

110

tjit(per)

Peak-to-peak period jitter(7)

1 PLL switching, Y2-to-Y3

100

130

tsk(o)

Output skew(8) , See Table 2

fOUT = 50 MHz; Y1-to-Y3

odc

Output duty cycle(9)

fVCO = 100 MHz; Pdiv = 1

45%

55%

SDA/SCL PARAMETER

VIK

SCL and SDA input clamp voltage

VDD = 1.7 V; II = –18 mA

–1.2

IIH

SCL and SDA input current

VI = VDD; VDD = 1.9 V

±10

μA

VIH

SDA/SCL input high voltage(10)

0.7 VDD

VIL

SDA/SCL input low voltage(10)

0.3 VDD

VOL

SDA low-level output voltage

IOL = 3 mA, VDD = 1.7 V

0.2 VDD

SCL/SDA Input capacitance

VI = 0 V or VDD

(6)

10000 cycles.

(7)

Jitter depends on configuration. Jitter data is for input frequency = 27 MHz, fVCO = 108 MHz, fOUT = 27 MHz (measured at Y2).

(8)

The tsk(o) specification is only valid for equal loading of each bank of outputs, and the outputs are generated from the same divider.

(9)

odc depends on output rise and fall time (tr/tf); data sampled on rising edge (tr)

(10) SDA and SCL pins are 3.3 V tolerant.

Figure 1. Test Load

Figure 2. Test Load for 50-

Ω Board Environment

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