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©2016 Integrated Device Technology, Inc.

Revision B, February 18, 2016

85311I Datasheet

Table 3C. LVPECL DC Characteristics, VCC = 3.3V±5%, VEE = 0V, TA = -40°C to 85°C

NOTE 1: Outputs terminated with 50

 to V

CC – 2V.

Table 3D. LVPECL DC Characteristics, VCC = 2.5V±5%, VEE = 0V, TA = -40°C to 85°C

NOTE 1: Outputs terminated with 50

 to V

CC – 2V.

AC Electrical Characteristics

Table 4A. AC Characteristics, VCC = 3.3V±5%, VEE = 0V, TA = -40°C to 85°C

NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when device is

mounted in a test socket with maintained transverse airflow greater than 500 lfpm. Device will meet specifications after thermal equilibrium has

been reached under these conditions.



All parameters are measured 500MHz unless otherwise noted.



NOTE 1: Measured from the differential input crossing point to the differential output crossing point.



NOTE 2: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at the differential cross

points.



NOTE 3: Defined as skew between outputs on different devices operating at the same supply voltage and with equal load conditions. Using

the same type of inputs on each device, the outputs are measured at the differential cross points.



NOTE 4: This parameter is defined in accordance with JEDEC Standard 65.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

VOH

Output High Current; NOTE 1

VCC – 1.4

VCC – 0.9

V

VOL

Output Low Current; NOTE 1

VCC – 2.0

VCC – 1.7

V

VSWING

Peak-to-Peak Output Voltage Swing

0.65

1.0

V

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

VOH

Output High Current; NOTE 1

VCC – 1.4

VCC – 0.9

V

VOL

Output Low Current; NOTE 1

VCC – 2.0

VCC – 1.5

V

VSWING

Peak-to-Peak Output Voltage Swing

0.4

1.0

V

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

fMAX

Maximum Output Frequency

1GHz

tPD

Propagation Delay; NOTE 1

ƒ

 1GHz

0.9

2.1

ns

tjit

Buffer Additive Phase Jitter, RMS;

refer to Additive Phase Jitter Section

156.25MHz, Integration Range

(12kHz – 20MHz)

0.14

ps

tsk(o)

Output Skew; NOTE 2, 4

20

ps

tsk(pp)

Part-to-Part Skew; NOTE 3, 4

350

ps

tR / tF

Output Rise/Fall Time

20% to 80% @ 50MHz

300

700

ps

odc

Output Duty Cycle

45

55

%