Datasheet

78Q2120C
10/100BASE-TX
Transceiver
Page: 20 of 35 © 2009 Teridian Semiconductor Corporation Rev 1.3
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Operation above maximum rating may permanently damage the device.
PARAMETER RATING
DC Supply Voltage (Vcc) -0.5 to 4.0 VDC
Storage Temperature
-65 to 150°C
Pin Voltage (CMOS inputs) -0.3 to 5.5 VDC
Pin Voltage (CMOS outputs except TXOP/N) -0.3 to (Vcc+0.6) VDC
Pin Voltage (TXOP/N only) -0.3 to (Vcc+1.4) VDC
Pin Current
± 120 mA
RECOMMENDED OPERATING CONDITIONS
Unless otherwise noted, all specifications are valid over these temperatures and supply voltage ranges:
PARAMETER RATING
DC Voltage Supply (Vcc)
3.3 ± 0.3 VDC
Ambient Operating Temperature (Ta)
0 to +70°C
Maximum Junction Temperature
125°C
Package Thermal Conductivity (θja) 45°C/W
DC CHARATERISTICS:
PARAMETER SYMBOL CONDITIONS MIN NOM MAX UNIT
Supply Current
I
CC
Vcc = 3.3V;
Auto-Negotiation
10BT (Idle)
10BT (Normal Activity)
100BTX
48
26
88
88
56
32
110
110
mA
Supply Current
I
CC
Power-down mode 5 mA