VSC8641XKO Vitesse Semiconductor Corp, VSC8641XKO Datasheet - Page 82

• Manufacturer Part Number: VSC8641XKO
• Description: IC PHY 10/100/1000 100-LQFP
• Manufacturer: Vitesse Semiconductor Corp
• Type: PHY Transceiverr

Specifications of VSC8641XKO

• Number Of Drivers/receivers: 1/1
• Protocol: Gigabit Ethernet
• Voltage - Supply: 2.5V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Case: TQFP
• Dc: 07+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 907-1031

Table 70.
5.3.3
Table 71.
Revision 4.3
August 2009
AC Characteristics for the CLKOUT Pin (continued)
JTAG Interface
The following table lists the characteristics for the JTAG testing feature. For information
about the JTAG interface timing, see
AC Characteristics for the JTAG Interface
Parameter
CLKOUT cycle time
Frequency stability
Duty cycle
Clock rise and fall
times (20% to 80%)
Total jitter
Parameter
TCK frequency
TCK cycle time
TCK time high
TCK time low
Setup time to TCK rising
Hold time from TCK rising
TCK to TDO valid
f
t
Symbol
STABILITY
R
%
t
J
and t
CYC
DUTY
CLK
F
Symbol
t
f
t
t
t
t
Minimum
CLK
CYC
WH
t
WL
CO
SU
H
44
Figure 19,
Minimum
100
45
45
10
10
Typical
217
8.0
50
page 83.
Maximum
Maximum
10
15
600
50
56
1
Unit
MHz
ns
ns
ns
ns
ns
ns
Electrical Specifications
Unit Condition
ppm
ns
%
ns
ps
VSC8641 Datasheet
125 MHz output
clock
Measured peak-
to-peak, time
interval error
Page 82