tdat04622 ETC-unknow, tdat04622 Datasheet - Page 282

• Manufacturer Part Number: tdat04622
• Description: Tdat Sonet/sdh 155/622/2488 Mbits/s Data Interfaces
• Manufacturer: ETC-unknow

TDAT042G5 SONET/SDH
155/622/2488 Mbits/s Data Interface
Electrical Characteristics
The following characteristics are guaranteed over the recommended operating conditions, unless otherwise speci-
fied in the test conditions.
Table 160. 3.3 V Logic Interface Characteristics
These logic levels are TTL 5 V compliant.
* Load for the UTOPIA ports are given in Table 170, page 269. Load for all microprocessor outputs is 50 pF.
Note: V
Table 161. LVPECL Interface Characteristics
The range for V
Note: V
254
Input Leakage
Output Voltage:
Input Capacitance
Load Capacitance
Output Voltage:
Input Voltage:
Input Capacitance
Load Capacitance
Input Buffer Gain
Low
High
Low
High
Low
High
DD
DD
Parameter
Parameter
= V
= V
DDA
DDA
= V
= V
DD
DDD.
DDD.
in this table is as follows: 3.0 V < V
Symbol
Symbol
V
V
V
V
V
V
V
C
C
C
C
I
OH
OH
OL
OL
L
IH
IL
G
L
L
I
I
Conditions
Test Conditions
Test
—
—
—
—
—
—
—
–5.0 mA
5.0 mA
—
—
*
DD
< 3.63 V, and V
V
V
V
V
DD
DD
DD
DD
Min
– 1.810
– 1.025
– 1.810
– 1.165
—
—
—
V
DD
GND
Min
—
—
—
– 1.0
DD
Nominal
nominal = 3.30 V.
125
—
—
—
—
—
Max
V
1.0
0.5
—
—
V
V
V
V
DD
DD
DD
DD
DD
Max
2.5
0.4
– 1.620
– 0.880
– 1.475
– 0.880
—
Agere Systems Inc.
Unit
µA
pF
pF
V
V
Data Sheet
May 2001
Unit
dB
pF
pF
V
V
V
V