IDT89HPES8T5AZBBC IDT, Integrated Device Technology Inc, IDT89HPES8T5AZBBC Datasheet - Page 11
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IDT89HPES8T5AZBBC
Manufacturer Part Number
IDT89HPES8T5AZBBC
Description
IC PCI SW 8LANE 5PORT 196-CABGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT89HPES8T5AZBBC8.pdf
(29 pages)
Specifications of IDT89HPES8T5AZBBC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
89HPES8T5AZBBC
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System Clock Parameters
AC Timing Characteristics
IDT 89HPES8T5A Data Sheet
Values based on systems running at recommended supply voltages and operating temperatures, as shown in Tables 13 and 14.
PEREFCLK
Refclk
Refclk
T
V
T
1.
2.
3.
4.
PCIe Transmit
UI
T
T
MAX-JITTER
T
T
T
IDLE
T
DATA
T
T
PCIe Receive
UI
T
R
jitter
SW
Parameter
TX-EYE
TX-EYE-MEDIAN-to-
TX-RISE,
TX- IDLE-MIN
TX-IDLE-SET-TO-
TX-IDLE-TO-DIFF-
TX-SKEW
BTEn
RX-EYE (with jitter)
, T
The input clock frequency will be either 100 or 125 MHz depending on signal REFCLKM.
ClkIn must be AC coupled. Use 0.01 — 0.1 µF ceramic capacitors.
RCUI (Reference Clock Unit Interval) refers to the reference clock period.
AC coupling required.
Parameter
F
FREQ
DC
2
T
TX-FALL
Input reference clock frequency range
Duty cycle of input clock
Rise/Fall time of input clocks
Differential input voltage swing
Input clock jitter (cycle-to-cycle)
Unit Interval
Minimum Tx Eye Width
Maximum time between the jitter median and maximum
deviation from the median
D+ / D- Tx output rise/fall time
Minimum time in idle
Maximum time to transition to a valid Idle after sending
an Idle ordered set
Maximum time to transition from valid idle to diff data
Transmitter data skew between any 2 lanes
Time from asserting Beacon TxEn to beacon being trans-
mitted on the lane
Unit Interval
Minimum Receiver Eye Width (jitter tolerance)
Description
Description
Table 10 PCIe AC Timing Characteristics (Part 1 of 2)
4
Table 9 Input Clock Requirements
11 of 29
Min
399.88
399.88
Min
100
0.6
0.7
0.4
40
50
50
1
Typical
Typical
400
500
400
90
30
50
.9
1
0.2*RCUI
Max
400.12
400.12
Max
1300
0.15
125
125
20
20
80
1.6
60
1
1
Units
Unit
RCUI
MHz
ps
UI
UI
ps
UI
UI
UI
ps
ns
ps
UI
ps
May 7, 2009
%
V
3