78P2352 Dual Channel OC-3/STM1-E/E4 Line Interface Unit
ELECTRICAL SPECIFICATIONS (continued)
ANALOG PINS CHARACTERISTICS:
The following table is provided for informative purpose only. Not tested in production.
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
RXxP and RXxN
Ground Reference
Vblin
1.9
2.1
2.6
V
Common-Mode Bias Voltage
RXxP and RXxN Differential
Input Impedance
Analog Input/Output
Capacitance
Rilin
20
kΩ
pF
kΩ
Cin
--
8
5
PORB Input Impedance
DIGITAL I/O CHARACTERISTICS:
Pins of type CI, CIU, CID:
PARAMETER
SYMBOL
CONDITIONS
MIN
NOM
MAX
0.8
UNIT
V
V
µA
kΩ
kΩ
pF
Input Voltage Low
Input Voltage High
Input Current
Vil
Vih
Iil, Iih
Rpu
Rpd
Cin
2.0
-1
0
70
58
8
1
Pull-up Resistance
Pull-down Resistance
Input Capacitance
Type CIU only
Type CID only
53
43
113
118
Pins of type CIT:
PARAMETER
Input Voltage Low
Input Voltage High
Minimum impedance to be
considered as “float” state
SYMBOL
Vtil
CONDITIONS
CONDITIONS
MIN
NOM
MAX
0.4
UNIT
V
V
Vtih
Vcc-0.8
30
Rtiz
kΩ
Pins of type CIS:
PARAMETER
SYMBOL
Vt+
Vt-
Iil, Iih
Cin
MIN
1.3
0.8
-1
NOM
MAX
1.7
1.2
1
UNIT
V
V
µA
pF
Low-to-High Threshold
High-to-Low Threshold
Input Current
Input Capacitance
8
22
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
