CDCLVP1102

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SCAS884D – AUGUST 2009 – REVISED DECEMBER 2015

6.7 Electrical Characteristics: LVPECL Output

at VCC = 2.375 V to 2.625 V and TA = –40°C to 85°C and TPCB ≤ 105°C (unless otherwise noted)

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TA ≤ 85ºC

VCC – 1.26

VCC – 0.9

V

VOH

Output high voltage

TPCB ≤ 105ºC

VCC – 1.26

VCC – 0.83

V

TA ≤ 85ºC

VCC – 1.7

VCC – 1.3

V

VOL

Output low voltage

TPCB ≤ 105ºC

VCC – 1.7

VCC – 1.25

V

Differential output peak-peak

VOUT, DIFF, PP

fIN ≤ 2 GHz

0.5

1.35

V

voltage

VAC_REF

Input bias voltage(2)

IAC_REF = 2 mA

VCC – 1.6

VCC – 1.1

V

VIN, DIFF, PP = 0.1 V

450

ps

tPD

Propagation delay

VIN, DIFF, PP = 0.3 V

450

ps

tSK,PP

Part-to-part skew

100

ps

tSK,O

Output skew

10

ps

Pulse skew (with 50% duty cycle

Crossing-point-to-crossing-point

tSK,P

–50

50

ps

input)

distortion, fOUT = 100 MHz

fOUT = 100 MHz, VIN,SE = VCC,

0.089

ps, RMS

Vth = 1.25 V, 10 kHz to 20 MHz

fOUT = 100 MHz, VIN,SE = 0.9 V,

0.093

ps, RMS

Vth = 1.1 V, 10 kHz to 20 MHz

Random additive jitter (with 50%

fOUT = 2 GHz, VIN,DIFF,PP = 0.2 V,

tRJIT

0.037

ps, RMS

duty cycle input)

VICM = 1 V, 10 kHz to 20 MHz

fOUT = 100 MHz, VIN,DIFF,PP = 0.15

V,

0.094

ps, RMS

VICM = 1 V, 10 kHz to 20 MHz

fOUT = 100 MHz, VIN,DIFF,PP = 1 V,

0.091

ps, RMS

VICM = 1 V, 10 kHz to 20 MHz

tR/tF

Output rise/fall time

20% to 80%

200

ps

Outputs unterminated,

33

mA

TA ≤ 85ºC

IEE

Supply internal current

Outputs unterminated,

34

mA

TPCB ≤ 105ºC

All outputs terminated, 50

Ω to

VCC – 2,

100

mA

TA ≤ 85ºC

ICC

Output and internal supply current

All outputs terminated, 50

Ω to

VCC – 2,

105

mA

TPCB ≤ 105ºC

(1)

Figure 8 and Figure 9 show DC and AC test setup.

(2)

Internally generated bias voltage (VAC_REF) is for 3.3-V operation only. It is recommended to apply externally generated bias voltage for

VCC < 3.0 V.

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