Revision G – June 5, 2002
S3024 – SONET/SDH/ATM Clock Recovery Unit
DEVICE SPECIFICATION
Table 8. LVPECL Input/Output DC Characteristics (TA = -40°C to +85°C, VCC = 3.3 V)
Symbol
Parameter
Min
Typ
Max
–1.441
Unit
Conditions
V
V
V
V
V
Input Low Voltage
V
V
V
V
–2.000
–1.225
–2.000
–1.750
V
V
V
V
V
Guaranteed Input Low Voltage
for single-ended inputs
IL
CC
CC
CC
CC
CC
CC
CC
CC
Input High Voltage
Input Low Voltage
Input High Voltage
–0.570
–0.700
–0.450
V
V
V
Guaranteed Input High Voltage
for single-ended inputs
IH
IL
Guaranteed Input Low Voltage
for differential inputs
Guaranteed Input High Voltage
for differential inputs
IH
ID
Input Differential Voltage
Input High Current
0.250
0.500
1.400
V
µA
µA
V
Differential Input Voltage
I
I
-0.500
-0.60
100
V
V
= 500 mV
= 500 mV
IH
IL
ID
ID
Input Low Current
20.000
V
V
V
Output Low Voltage
Output High Voltage
Output Differential Voltage
V
–2.000
V
–1.57
50 Ω Termination to V –2 V
OL
OH
OD
CC
CC
CC
CC
V
–1.35
V
–0.670
V
50 Ω Termination to V –2 V
CC
CC
0.390
1.330
V
Differential Output Voltage
Figure 8. Loop Filter Connection
82
CAP1
CAP2
1 F
82
10
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
