Rev 0.90

Page 3 of 44

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PRELIMINARY

1 Electrical Characteristics

All Min and Max limits in the Electrical Characteristics tables are specified over temperature and rated operating voltage with

standard output terminations shown in the termination diagrams. Typical values are at 25°C and nominal supply voltage.

Table 1. Electrical Characteristics – Common to LVPECL, LVDS and HCSL

Parameter

Symbol

Min.

Typ.

Max.

Unit

Condition

Frequency Range

Output Frequency Range

f

1

–

340

MHz

Factory or user programmable, accurate to 6 decimal places

Frequency Stability

Frequency Stability

F_stab

-20

–

+20

ppm

Inclusive of initial tolerance, operating temperature, rated

power supply voltage and load variations.

Contact SiTime for

±10 ppm option

-25

–

+25

ppm

-50

–

+50

ppm

First Year Aging

F_aging1

–

±1

–

ppm

At 25°C

Temperature Range

Operating Temperature Range

T_use

-20

–

+70

°C

Extended Commercial

-40

–

+85

°C

Industrial.

Contact SiTime for higher temperature range options

Supply Voltage

Supply Voltage

Vdd

2.97

3.3

3.63

V

2.7

3.0

3.3

V

2.52

2.8

3.08

V

2.25

2.5

2.75

V

Input Characteristics – OE Pin

Input Voltage High

VIH

70%

–

–

Vdd

OE pin

Input Voltage Low

VIL

–

–

30%

Vdd

OE pin

Input Pull-up Impedance

Z_in

–

100

–

kΩ

OE pin, logic high or logic low

Output Characteristics

Duty Cycle

DC

45

–

55

%

Startup and Output Enable/Disable Timing

Start-up Time

T_start

–

–

3

ms

Measured from the time Vdd reaches its rated minimum value

Output Enable/Disable Time –

Hardware control vis OE pin

T_oe_hw

–

–

3.8

µs

Measured from the time OE pin reaches rated VIH and VIL to

the time clock pins reach 90% of swing and high-Z.

See Figure 7 and Figure 8

Output Enable/Disable Time –

T_oe_sw

6.5

µs

Measured from the time the last byte of command is

of swing and high-Z. See Figure 26 and Figure 27