78Q2120C Ver la hoja de datos (PDF) - TDK Corporation
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78Q2120C Datasheet PDF : 33 Pages
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78Q2120C
10/100BASE-TX Transceiver
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Operation above maximum rating may permanently damage the device.
PARAMETER
RATING
DC Supply Voltage (Vcc)
Storage Temperature
Pin Voltage (CMOS inputs)
Pin Voltage (CMOS outputs except TXOP/N)
-0.5 to 4.0 VDC
-65 to 150°C
-0.3 to 5.5 VDC
-0.3 to (Vcc+0.6) VDC
Pin Voltage (TXOP/N only)
Pin Current
-0.3 to (Vcc+1.4) VDC
± 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)
Ambient Operating Temperature (Ta)
3.3 ± 0.3 VDC
0 to +70°C
DC CHARATERISTICS:
PARAMETER
Supply Current
SYMBOL
CONDITIONS
MIN
NOM MAX
UNIT
ICC
Vcc = 3.3V;
Auto-Negotiation
40
48
mA
10BT (Idle)
26
32
10BT (Normal Activity)
88
110
100BTX
88
110
Supply Current
ICC
Power-down mode
DIGITAL I/O CHARACTERISTICS:
Pins of type CI, CIU, CID, CIO:
PARAMETER
Input Voltage Low
Input Voltage High
Input Current
Pull-up Resistance
Pull-down Resistance
Input Capacitance
SYMBOL
Vil
Vih
Iil, Iih
Rpu
Rpd
Cin
CONDITIONS
Type CIU only
Type CID only
5
mA
MIN
NOM
MAX UNIT
0.8
V
2.0
V
-1
1
µA
38
56
78
kΩ
38
56
78
kΩ
8
pF
© 2003 TDK Semiconductor Corporation, Proprietary and Confidential
- 20 -
Rev_1.1
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