
IDT82V3355
SYNCHRONOUS ETHERNET WAN PLL
Electrical Specifications
116
May 19, 2009
Table 44: PECL Input / Output Port Electrical Characteristics
Parameter
Description
Min
Typ
Max
Unit
Test Condition
VIL
Input Low Voltage, Differential Inputs 1
VDD - 2.5
VDD - 0.5
V
VIH
Input High Voltage, Differential Inputs 1
VDD - 2.4
VDD - 0.4
V
VID
Input Differential Voltage
0.1
1.4
V
VIL_S
Input Low Voltage, Single-ended Input 2
VDD - 2.4
VDD - 1.5
V
VIH_S
Input High Voltage, Single-ended Input 2
VDD - 1.3
VDD - 0.5
V
IIH
Input High Current, Input Differential Voltage VID = 1.4 V
-10
10
A
IIL
Input Low Current, Input Differential Voltage VID = 1.4 V
-10
10
A
VOL
Output Voltage Low 3
VDD - 2.1
VDD - 1.62
V
VOH
Output Voltage High 3
VDD - 1.25
VDD - 0.88
V
VOD
Output Differential Voltage3
580
900
mV
tRISE
Output Rise time (20% to 80%)
200
300
pS
tFALL
Output Fall time (20% to 80%)
200
300
pS
tSKEW
Output Differential Skew
50
pS
Note:
1. Assuming a differential input voltage of at least 100 mV.
2. Unused differential input terminated to VDD-1.4 V.
3. With 50
load on each pin to VDD-2 V, i.e. 82 to GND and 130 to VDD.