Visible to Intel only — GUID: ljy1662081098497
Ixiasoft
Visible to Intel only — GUID: ljy1662081098497
Ixiasoft
Maximum Allowed Overshoot and Undershoot Voltage
- Undershoot limit of –1.1 V when using VCCIO_HPS or VCCIO_SDM of 1.8 V.
- Undershoot limit of –0.3 V when using VCCIO_PIO of 1.3 V, 1.2 V, 1.1 V, 1.05 V, and 1.0 V.
No overshooting beyond 1.602 V and undershooting below 0.273 V is allowed when using True Differential Signaling I/O standard at VCCIO_PIO = 1.3 V.
No overshooting beyond 1.177 V and undershooting below 0.573 V is allowed when using True Differential Signaling I/O standard at VCCIO_PIO = 1.2 V, 1.1 V, and 1.05 V.
The maximum allowed overshoot duration is specified as a percentage of high time (calculated as ([delta T]/T) × 100) over the lifetime of the device. A DC signal is equivalent to 100% duty cycle.
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_PIO + 0.25 | 100 | % |
VCCIO_PIO + 0.3021 | 30 | % | ||
VCCIO_PIO + 0.35 | 4 | % | ||
> VCCIO_PIO + 0.40 | No overshoot allowed | % |
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_PIO + 0.25 | 100 | % |
VCCIO_PIO + 0.3022 | 30 | % | ||
VCCIO_PIO + 0.35 | 4 | % | ||
> VCCIO_PIO + 0.40 | No overshoot allowed | % |
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_PIO + 0.25 | 100 | % |
VCCIO_PIO + 0.3023 | 30 | % | ||
VCCIO_PIO + 0.35 | 4 | % | ||
> VCCIO_PIO + 0.40 | No overshoot allowed | % |
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_PIO + 0.25 | 100 | % |
VCCIO_PIO + 0.3024 | 30 | % | ||
VCCIO_PIO + 0.35 | 4 | % | ||
> VCCIO_PIO + 0.40 | No overshoot allowed | % |
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_PIO + 0.25 | 100 | % |
VCCIO_PIO + 0.3025 | 65 | % | ||
VCCIO_PIO + 0.35 | 7 | % | ||
> VCCIO_PIO + 0.40 | No overshoot allowed | % |
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_SDM + 0.30, VCCIO_HPS + 0.30 | 100 | % |
VCCIO_SDM + 0.35, VCCIO_HPS + 0.35 | 60 | % | ||
VCCIO_SDM + 0.40, VCCIO_HPS + 0.40 | 30 | % | ||
VCCIO_SDM + 0.45, VCCIO_HPS + 0.45 | 20 | % | ||
VCCIO_SDM + 0.50, VCCIO_HPS + 0.50 | 10 | % | ||
VCCIO_SDM + 0.55, VCCIO_HPS + 0.55 | 6 | % | ||
> VCCIO_SDM + 0.55, > VCCIO_HPS + 0.55 | No overshoot allowed | % |
Symbol | Description | Condition (V) | Overshoot Duration as % at TJ = 100°C | Unit |
---|---|---|---|---|
Vi (AC) | AC input voltage | VCCIO_HVIO + 0.30 | 100 | % |
VCCIO_HVIO + 0.35 | 42 | % | ||
VCCIO_HVIO + 0.40 | 18 | % | ||
VCCIO_HVIO + 0.45 | 9 | % | ||
VCCIO_HVIO + 0.50 | 4 | % | ||
> VCCIO_HVIO + 0.55 | No overshoot allow | % |
For example, when using 1.2 V I/O standard with 1.26 V VCCIO_PIO, a signal that overshoots to 1.61 V can only be at 1.61 V for ~4% over the lifetime of the device. For an overshoot of 1.51 V, the percentage of high time for the overshoot can be as high as 100% over the lifetime of the device.