SNLS478B NOVEMBER 2014 – May 2020 DS90UH940-Q1
PRODUCTION DATA.
PARAMETER | TEST CONDITIONS | PIN/FREQ. | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|---|
HSTX DRIVER | |||||||
HSTXDBR | Data bit rate | MIPI 2 lanes | CSI0_D0±
CSI0_D1± CSI0_D2± CSI0_D3± CSI1_D0± CSI1_D1± CSI1_D2± CSI1_D3± CSI0_CLK± CSI1_CLK± |
350 | 1344 | Mbps | |
MIPI 4 lanes | 175 | 1190 | |||||
fCLK | DDR Clock frequency | MIPI 2 lanes | 175 | 672 | MHz | ||
MIPI 4 lanes | 87.5 | 595 | |||||
ΔVCMTX(HF) | Common mode voltage variations HF | Above 450 MHz | 15 | mVRMS | |||
ΔVCMTX(LF) | Common mode voltage variations LF | Between 50 and 450 MHz | 25 | mVRMS | |||
tRHS
tFHS |
20% to 80% rise and fall HS | HS bit rates ≤ 1 Gbps (UI ≥ 1 ns) | 0.3 | UI | |||
HS bit rates > 1 Gbps (UI < 1 ns) | 0.35 | UI | |||||
Applicable for all HS bit rates. However, to avoid excessive radiation, bit rates ≤ 1 Gbps (UI ≥ 1 ns), must not use values below 150 ps. | 100 | ps | |||||
SDDTX | TX differential return loss | fLPMAX | –18 | dB | |||
fH | -9 | dB | |||||
fMAX | –3 | dB | |||||
LPTX DRIVER | |||||||
tRLP | Rise time LP(2) | 15% to 85% rise time | CSI0_D0±
CSI0_D1± CSI0_D2± CSI0_D3± CSI1_D0± CSI1_D1± CSI1_D2± CSI1_D3± CSI0_CLK± CSI1_CLK± |
25 | ns | ||
tFLP | Fall time LP(2) | 15% to 85% fall time | 25 | ns | |||
tREOT | Rise time post-EoT(2) | 30% to 85% rise time | 35 | ns | |||
tLP-PULSE-TX | Pulse width of the LP exclusive-OR clock(2) | First LP exclusive-OR clock pulse after stop state or last pulse before stop state | 40 | ns | |||
All other pulses | 20 | ns | |||||
tLP-PER-TX | Period of the LP exclusive-OR clock | 90 | ns | ||||
DV/DtSR | Slew rate(2) | CLOAD = 0 pF | 500 | mV/ns | |||
CLOAD = 5 pF | 300 | mV/ns | |||||
CLOAD = 20 pF | 250 | mV/ns | |||||
CLOAD = 70 pF | 150 | mV/ns | |||||
CLOAD = 0 to 70 pF (falling edge only) | 30 | mV/ns | |||||
CLOAD = 0 to 70 pF (rising edge only) | 30 | mV/ns | |||||
CLOAD = 0 to 70 pF (rising edge only) | 30 – 0.075 × (VO,INST – 700) | mV/ns | |||||
CLOAD | Load capacitance(2) | 0 | 70 | pF | |||
DATA-CLOCK TIMING SPECIFICATIONS (Figure 10) | |||||||
UIINST | UI instantaneous | fCLK = CSI-2 DDR clock frequency | CSI0_D0±
CSI0_D1± CSI0_D2± CSI0_D3± CSI1_D0± CSI1_D1± CSI1_D2± CSI1_D3± CSI0_CLK± CSI1_CLK± |
1/(fCLK × 2) | UI | ||
ΔUI | UI variation
PCLK = 25 - 96MHz |
UI ≥ 1 ns | –10% | 10% | UI | ||
UI < 1 ns | –5% | 5% | UI | ||||
tSKEW(TX) | Data to clock skew (measured at transmitter)
Skew between clock and data from ideal center |
Data rate ≤ 1 Gbps | –0.15 | 0.15 | UIINST | ||
Data rate > 1 Gbps | –0.2 | 0.2 | UIINST | ||||
CSI-2 TIMING SPECIFICATIONS (Figure 11, Figure 12) | |||||||
tCLK-MISS | Timeout for receiver to detect absence of clock transitions and disable the clock lane HS-RX | CSI0_D0±
CSI0_D1± CSI0_D2± CSI0_D3± CSI1_D0± CSI1_D1± CSI1_D2± CSI1_D3± CSI0_CLK± CSI1_CLK± |
60 | ns | |||
tCLK-POST | HS exit | 60 + 52 × UI | ns | ||||
tCLK-PRE | Time HS clock shall be driver prior to any associated data lane beginning the transition from LP to HS mode | 8 | UI | ||||
tCLK-PREPARE | Clock lane HS Entry | 38 | 95 | ns | |||
tCLK-SETTLE | Time interval during which the HS receiver shall ignore any clock lane HS transitions | 95 | 300 | ns | |||
tCLK-TERM-EN | Timeout at clock lane display module to enable HS Termination | Time for Dn to reach VTERM-EN | 38 | ns | |||
tCLK-TRAIL | Time that the transmitter drives the HS-0 state after the last payload clock bit of a HS transmission burst | 60 | ns | ||||
tCLK-PREPARE + tCLK-ZERO | TCLK-PREPARE + time that the transmitter drives the HS-0 state prior to starting the Clock | 300 | ns | ||||
tD-TERM-EN | Time for the Data Lane receiver to enable the HS line termination | Time for Dn to reach V-TERM-EN | 35 + 4 × UI | ns | |||
tEOT | Transmitted time interval from the start of tHS-TRAIL to the start of the LP-11 state following a HS burst | see(1) | 105 + 12 × UI | ns | |||
tHS-EXIT | Time that the transmitter drives LP=11 following a HS burst | 100 | ns | ||||
tHS-PREPARE | Data lane HS entry | 40 + 4 × UI | 85 + 6 × UI | ns | |||
tHS-PREPARE + tHS-ZERO | tHS-PREPARE + time that the transmitter drives the HS-0 state prior to transmitting the sync sequence | 145 + 10 × UI | ns | ||||
tHS-SETTLE | Time interval during which the HS receiver ignores any data lane HS transitions, starting from the beginning of tHS-SETTLE | 85 + 6 × UI | 145 + 10 × UI | ns | |||
tHS-SKIP | Time interval during which the HS-RX should ignore any transitions on the data lane, following a HS burst. The end point of the interval is defined as the beginning of the LP-11 state following the HS burst. | 40 | 55 + 4 × UI | ns | |||
tHS-TRAIL | Data lane HS exit | 60 + 4 × UI | ns | ||||
tLPX | Transmitted length of LP state | 50 | ns | ||||
tWAKEUP | Recovery time from ultra-low-power state (ULPS) | 1 | ms |