SI5341_16 datasheet(25/53 Pages) SILABS

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Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Output Voltage Low1, 2, 3

VOL

VDDO = 3.3 V

OUTx_CMOS_DRV=1

IOL = 10 mA

—

VDDO x 0.15

OUTx_CMOS_DRV=2

IOL = 12 mA

—

OUTx_CMOS_DRV=3

IOL = 17 mA

—

VDDO = 2.5 V

OUTx_CMOS_DRV=1

IOL = 6 mA

—

VDDO x 0.15

OUTx_CMOS_DRV=2

IOL = 8 mA

—

OUTx_CMOS_DRV=3

IOL = 11 mA

—

VDDO = 1.8 V

OUTx_CMOS_DRV=2

IOL = 4 mA

—

VDDO x 0.15

OUTx_CMOS_DRV=3

IOL = 5 mA

—

LVCMOS Rise and Fall

Times3

(20% to 80%)

tr/tf

VDDO = 3.3V

—

400

600

VDDO = 2.5 V

—

450

600

VDDO = 1.8 V

—

550

750

Notes:

1. Driver strength is a register programmable setting and stored in NVM. Options are OUTx_CMOS_DRV = 1, 2, 3. Refer to the

Family Reference Manual for more details on register settings.

2. IOL/IOH is measured at VOL/VOH as shown in the dc test configuration.

3. A series termination resistor (Rs) is recommended to help match the source impedance to a 50 W PCB trace. A 5 pF capacitive

load is assumed. The LVCMOS outputs were set to OUTx_CMOS_DRV = 3.

IOL/IOH

VOL/VOH

OUT

OUTb

IDDO

Trace length 5 inches

4.7 pF

499

AC Test Configuration

50 probe, scope

DC Block

DC Test Configuration

Si5341/40 Rev D Data Sheet

Electrical Specifications

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