78P2352 Dual Channel OC-3/STM1-E/E4 Line Interface Unit
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Operation beyond these limits may permanently damage the device.
PARAMETER
RATING
Supply Voltage (Vdd)
Storage Temperature
Junction Temperature
Pin Voltage (CMIxP,CMIxN)
Pin Voltage (all other pins)
Pin Current
-0.5 to 4.0 VDC
-65 to 150 °C
-40 to 125 °C
Vdd + 1.5 VDC
-0.3 to (Vdd+0.6) VDC
100 mA
RECOMMENDED OPERATING CONDITIONS
Unless otherwise noted all specifications are valid over these temperatures and supply voltage ranges.
PARAMETER
RATING
DC Voltage Supply (Vdd)
Ambient Operating Temperature
3.15 to 3.45 VDC
-40 to 85°C
DC CHARACTERISTICS:
PARAMETER
SYMBOL CONDITIONS
MIN
NOM
MAX
UNIT
STM-1 mode;
CMI mode;
Max. cable length
Supply Current (CMI)
325
mA
Idd
360
(including transmitter current
through transformer)
STM-1 mode;
Supply Current (NRZ)
Idde
290
190
325
210
mA
mA
NRZ (optical) mode
Transmitter disabled;
STM-1 mode;
CMI mode;
Max. cable length
Receive-only Supply Current
Supply Current per Port
Iddr
STM-1 mode;
CMI mode;
Max. cable length
160
7
mA
mA
Iddx
Iddq
(including transmitter current
through transformer)
10
Power down Current
PDTX = 1, PDRX = 1
21
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
