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SI53019-A01A Datasheet(PDF) 1 Page - Silicon Laboratories

Part # SI53019-A01A
Description  19-OUTPUT PCIE GEN 3 BUFFER
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Manufacturer  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI53019-A01A Datasheet(HTML) 1 Page - Silicon Laboratories

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Rev. 1.3 1/16
Copyright © 2016 by Silicon Laboratories
Si53019-A01A
Si53019-A01A
19-O UTPUT PCI E G EN 3 B UFFER
Features
Applications
Description
The Si53019-A01A is a 19-output, current mode HCSL differential clock
buffer that meets all of the performance requirements of the Intel
DB1900Z specification. The device is optimized for distributing reference
clocks for Intel® QuickPath Interconnect (Intel QPI), PCIe Gen 1/Gen 2/
Gen 3/Gen 4, SAS, SATA, and Intel Scalable Memory Interconnect (Intel
SMI) applications. The VCO of the device is optimized to support
100 MHz and 133 MHz operation. Each differential output can be enabled
through I2C for maximum flexibility and power savings. Measuring PCIe
clock jitter is quick and easy with the Silicon Labs PCIe Clock Jitter Tool.
Download it for free at www.silabs.com/pcie-learningcenter.
Nineteen 0.7 V current-mode,
HCSL PCIe Gen 3 outputs
100 MHz /133 MHz PLL
operation, supports PCIe and
QPI
PLL bandwidth SW SMBUS
programming overrides the latch
value from HW pin
9 selectable SMBus addresses
Fixed external feedback path
8 dedicated OE pin
PLL or bypass mode
Spread spectrum tolerable
50 ps output-to-output skew
Fixed 0 ps input to output delay
Low phase jitter (Intel QPI, PCIe
Gen 1/Gen 2/Gen 3/Gen 4
common clock compliant
Gen 3 SRNS Compliant
100 ps input-to-output delay
Extended Temperature:
–40 to 85 °C
Package: 72-pin QFN
Server
Storage
Data Center
Network Security
Patents pending
Ordering Information:
See page 32.
Pin Assignments
Si53019-A01A
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
VDDA
GNDA
HBW_BYPASS_LBW
PWRGD / PWRDN
GND
VDDR
CLK_IN
CLK_IN
SA_0
SDA
SCL
SA_1
FB_OUT
GND
DIF_7
DIF_7
OE6
VDD
48
47
46
45
44
43
42
41
40
39
38
37
DIF_11
DIF_11
DIF_10
DIF_10
DIF_9
DIF_9
DIF_8
DIF_8
54
53
52
51
50
49
18
17
OE7
OE10
FB_OUT
IREF
FB_IN
FB_IN
100M_133M
OE8
OE11
OE9


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