GS6080

Final Data Sheet

Rev.6

PDS-060045

September 2014

11 of 19

Proprietary & Confidential

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4.3.1 Slew Rate Selection (Rise/Fall Time Requirement)

The GS6080 supports two user-selectable output slew rates.

Control of the slew rate is determined by the setting of the SD_EN input pin.

4.4 Output Disable

The GS6080 supports an output disable function for the serial data differential output.

Control of this function is determined by the setting of the serial output disable

(DISABLE) control pin.

Setting this pin LOW, disables power to the entire device.

4.5 Signal Presence Indicator (SP)

The GS6080 supports a signal presence indicator function.

The signal presence pin (SP) is an active-low output that indicates a signal has been

detected at the pre-driver output.

The signal presence function measures signal-edge energy to indicate that the

pre-driver to the serial data outputs is toggling.

Table 4-2: Slew Rate Selection

SD_EN

Rise/Fall Time

0

UHD-SDI(5.94Gb/s), SMPTE ST 424 and SMPTE ST 292

compliant

1

SMPTE ST 259 compliant

Floating

SMPTE ST 259 compliant

Table 4-3: Output Disable

DISABLE

SDO/SDO

0

All Chip Power Down

1

Operational

Floating

Operational

Table 4-4: Signal Presence Indicator

Pre-Driver Output

SP Pin

Signal present

0

No Signal present

1