RTL8309SB

The RTL8309SB is a 128-pin,ultra low power,high-performance 8-port fast ethernet single-chip switch with one extera MII port for specific applications.It integrates all the functions of a high speed switch system-including SRAM for packet buffering,non-blocking switch fabric,address management,one general use MII interface,eight 10/100Base-TX transceivers,and nine media access comtrollers-into a single 0.18m CMOS device.

The absolute maximum ratings of the RTL8309SB can be summarized as:(1):the parameter is storage temperature,the rated value is -55 to +150,the unit is ;(2):the parameter is supply voltage referenced,the rated value is GND-0.5 to +2.16,the unit is V;(3):the parameter is supply voltage referenced,the rated value is GND-0.5 to +3.00,the unit is V;(4):the parameter is supply voltage referenced,the rated value is GND-0.5 to +3.96,the unit is V;(5):the parameter is digital input voltage,the rated value is GND-0.5 to VDDD,the unit is V;(6):the parameter is DC output voltage,the rated value is GND-0.5 to VDDD,the unit is V.

The operating range of the RTL8309SB can be summarized as:(1):the parameter is ambient operating temperature,the rated value is 0 to +70,the unit is ;(2):the parameter is supply voltage range,the rated value is 1.71 to 1.89,the unit is V;(3):the parameter is supply voltage range,the rated value is 2.375 to 2.625,the unit is V;(4):the parameter is supply voltage range,the rated value is 3.15 to 3.45,the unit is V.