Electrical Characteristics¶
The electrical characteristics of CI1316X are listed in the table below.
Table E-1 Electrical Characteristics
| Symbol | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VIN5V | Chip Power Supply Input Note1 | 3.6 | 5 | 5.5 | V |
| AVDD | 3.3V Power Supply | 2.97 | 3.3 | 3.63 | V |
| VDD11 | 1.1V Power Supply | 0.99 | 1.1 | 1.21 | V |
| VIH | Input High Voltage (3.0V ≤ VDD33 ≤ 3.6V) |
0.7*VDD33 | - | VDD33+0.3 | V |
| VIL | Input Low Voltage (3.0V ≤ VDD33 ≤ 3.6V) |
-0.3 | - | 0.3*VDD33 | V |
| VOL | Output Low Voltage @IOL = 12mA | - | - | 0.4 | V |
| VOH | Output High Voltage @IOH = 20mA | 2.4 | - | - | V |
| I5V-IO | 5V Tolerant I/O Sink Current @3.3V Output | 20 | - | 33 | mA |
| I3V3-IO | 3.3V I/O Sink Current @3.3V Output | 14 | - | 24 | mA |
| ΣIVDD | Total I/O Current (Sum of All I/Os) | - | - | 200 | mA |
| Pde | Total 5V Power Consumption (TA = 25°C) 5V Supply with External 1.1V VDD11, Normal Operation |
40 | - | 90 | mW |
| Pdi | Total 5V Input Power (TA = 25°C) 5V Supply with Internal LDO, Normal Operation |
125 | - | 255 | mW |
| RC Oscillator Accuracy Note5 |
TA = -40 to 85°C | -1.5 | - | +1.5 | % |
| Top | Operating Ambient Temperature | -40 | - | +85 | °C |
| Tst | Storage Temperature | -55 | - | +150 | °C |
Note1: Chip input voltage range is 3.6V~5.5V, typical value is 5V.
Note2: Operating ambient temperature range is -40°C~+85°C.
Note3: Storage temperature range is -55°C~+150°C.
Note4: Operating voltage range is 3.0V~3.6V, typical value is 3.3V.
Note5: RC oscillator accuracy is -1.5%~+1.5% over the temperature range of -40°C~+85°C. The chip has a built-in baud rate adaptive circuit, which supports normal communication between the chip and the host machine in high and low temperature environments. If the application solution requires the chip’s clock to be very accurate, please use our chip with an external crystal oscillator and the corresponding application solution.