No datasheet is complete without electrical specifications. For the HX8872C, the "Absolute Maximum Ratings" and "Recommended Operating Conditions" are non-negotiable.
| Pin # | Name | Type | Description | |-------|------------|--------|--------------------------------------| | 1 | TP_TXP | O | TP transmit positive (to magnetics) | | 2 | TP_TXN | O | TP transmit negative | | 3 | VDD33 | P | 3.3V power | | 4 | TP_RXP | I | TP receive positive | | 5 | TP_RXN | I | TP receive negative | | 6 | GND | P | Ground | | 9 | FX_SD | I | Fiber signal detect (active low) | | 10 | FX_RD+ | I | Fiber receive data positive (PECL) | | 11 | FX_RD- | I | Fiber receive data negative (PECL) | | 12 | FX_TD+ | O | Fiber transmit data positive (PECL) | | 13 | FX_TD- | O | Fiber transmit data negative (PECL) | | 21 | MODE_SEL0 | I | Mode select bit 0 (pull-up/down) | | 22 | MODE_SEL1 | I | Mode select bit 1 | | 35 | LED_LINK | O | Link status (active low) | | 36 | LED_ACT | O | Activity blink | | 44 | XTAL_IN | I | 25MHz crystal input | | 45 | XTAL_OUT | O | 25MHz crystal output | hx8872c datasheet
(standard 3.3V logic), with specific output driving voltages reaching up to 40V. Communication Interface: Primarily utilizes a Serial Peripheral Interface (SPI) for initialization and control by a microcontroller. Channel Count: Equipped with 240 channels for driving gate lines in TFT-LCD panels. Power Consumption: No datasheet is complete without electrical specifications
to keep the output crisp even if the voltage fluctuated slightly. hx8872c datasheet