RC32012A datasheet(18/66 Pages) RENESAS

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R31DS0078EU0103 Rev.1.03

Page 18

Sep 15, 2022

RC32012A Datasheet

Table 13. Differential Output DC Characteristics (VDDO_Qx = 2.5V +5%, VSS = 0V, TA = -40°C to 85°C)[1][2][3][4]

Symbol

Parameter

Test Condition

Minimum

Typical

Maximum

Unit

VOVS[5]

Output

Voltage Swing

Output Q[1]

SWING = 00[6]

295

393

448

SWING = 01

457

591

677

SWING = 10

587

761

881

SWING = 11

733

835

943

VCMR[7]

Output

Common

Mode Voltage

Output Q[1]

CENTER = 000[8]

0.85

0.93

1.03

CENTER = 001

0.94

1.10

1.23

CENTER = 010

1.09

1.28

1.44

CENTER = 011

1.24

1.46

1.65

CENTER = 100

1.39

1.65

1.86

CENTER = 101

Not Supported

CENTER = 110

CENTER = 111

1. For information on the signals referenced by this abbreviation, see Table 3.

2. Terminated with 100Ω across Qx and nQx.

3. If LVDS operation is desired, select SWING = 00 and CENTER = 001 or 010.

4. If LVPECL operation is desired, select SWING = 10 and CENTER = 001 or 010 for 2.5V LVPECL operation. For VDDO = 2.5V, 3.3V

LVPECL levels cannot be generated.

5. VOVS is the single-ended amplitude of the output signal. The differential specs is 2 * VOVS.

6. Refers to the differential voltage swing setting programed into device registers for each output.

7. Not all VCMR selections can be supported with particular VDDO_Qx and VOVS settings.

8. Refers to the differential voltage crossing point (center voltage) setting programed into device registers for each output.

Table 14. Differential Output DC Characteristics (VDDO_Qx = 1.8V +5%, VSS = 0V, TA = -40°C to 85°C)[1][2][3]

1. For information on the signals referenced by this abbreviation, see Table 3.

2. Terminated with 100Ω across Qx and nQx.

3. If LVDS operation is desired, select SWING = 00 and CENTER = 010.

Symbol

Parameter

Test Condition

Minimum

Typical

Maximum

Unit

VOVS[4]

4. VOVS is the single-ended amplitude of the output signal. The differential specs is 2 * VOVS.

Output

Voltage Swing

Output Q[1]

SWING = 00[5]

299

411

485

SWING = 01

470

586

700

SWING = 10

582

713

852

SWING = 11

612

750

899

VCMR[6]

Output

Common

Mode Voltage

Output Q[1]

CENTER = 000[7]

0.84

0.91

0.99

CENTER = 001

0.91

1.05

1.18

CENTER = 010

1.05

1.21

1.36

CENTER = 011

Not Supported

CENTER = 100

CENTER = 101

CENTER = 110

CENTER = 111

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