82V3280EQG Integrated Device Technology (Idt), 82V3280EQG Datasheet - Page 153

• Manufacturer Part Number: 82V3280EQG
• Description: WAN PLL 100-Pin TQFP Tray
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 82V3280EQG

• Package: 100TQFP
• Operating Temperature: -40 to 85 °C

Electrical Specifications
Table 47: AMI Input / Output Port Electrical Characteristics
IDT82V3280
Parameter
V
V
R
SPACE
I
V
V
t
t
V
MARK
V
OUT
V
TEST
PW
R/F
OH
OL
IH
IM
IL
Output Voltage High, Output Current = 20 mA
Output Voltage Low, Output Current = 20 mA
Figure 32. AMI Input / Output Port Line Termination (Recommended)
“Space” Amplitude after Transformer
AMI input
AMI input
‘Mark’ Amplitude after Transformer
Nominal Test Load Impedance
Input Pulse Rise/Fall Time
For a transformer with a turns ratio of 1:1, a 3:1 ratio potential divider R
Output Current Drive
Input Voltage Middle
to achieve the required 1 V pk-pk voltage level for the positive and negative pulses.
Input Voltage High
Input Voltage Low
Input Pulse Width
Description
470 nF
470 nF
IN2
IN1 OUT8_POS
OUT8_NEG
470 pF
153
V
DD
1.56
2.13
Min
-0.1
1.5
0.9
0
- 0.16
Turns ratio
3:1
R
load
1.65
Typ
load
110
7.8
1.0
0
must be used
2 nF
AMI output
GND
V
DD
14.04
Max
0.16
1.8
1.4
1.1
0.1
20
5
+ 0.3
December 9, 2008
Unit
µ S
µ S
mA
WAN PLL
Ω
V
V
V
V
V
V
V