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PDF 8V49N211 Data sheet ( Hoja de datos )
| Número de pieza | 8V49N211 | |
| Descripción | Clock Generator | |
| Fabricantes | Integrated Device Technology | |
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Clock Generator for Broadcom Processor
8V49N211
DATA SHEET
General Description
The 8V49N211 is a high-performance PLL-based clock generator
designed to interface with Broadcom XLP2xxx processors. The
8V49N211 has one 25MHz crystal input to generate output
frequencies to support XLP Core/DDR3, USB, SGMII/XAUI and
PCIe reference clocks in a single chip. The 8V49N211 low jitter VCO
easily meets PCI Express Gen 1, 2 and 3 requirements.
IDT’s Fourth Generation FemtoClock® NG technology has best in
class phase noise performance.
Features
• Fourth Generation FemtoClock® NG PLL technology
• Two LVCMOS clock outputs for core/DDR3 at 133.33MHz or
66.66MHz
• One LVDS clock output for USB at 100MHz
• Three LVDS clock outputs for SGMII/XAUI at 125MHz
• Five HCSL clock outputs for PCIe at 100MHz
• Crystal oscillator interface designed for 25MHz (CL = 12pF)
frequency, IDT Part #603-25-173
• PCI Express Gen 1 (2.5Gb/s), Gen 2 (5Gb/s) and Gen 3 (8Gb/s)
jitter compliant
• Full 3.3V operating supply voltage
• Lead-free (RoHS 6) packaging
• -40°C to 85°C ambient operating temperature
Pin Assignment
G ND
VS S O_A
QA1
QA0
V DDO_A
FSEL
BYPAS S
V DD
G ND
OE _1
OE _2
OE _3
OE _4
G ND
42 41 40 39 38 37 36 35 34 33 32 31 30 29
43 28
44 27
45 26
46 25
47 24
48
49 8V49N211
50
23
22
21
51 20
52 19
53 18
54 17
55 16
56 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
V DDO_C
nQC 4
QC4
nQC 3
QC3
VS S O_C
nQC 2
QC2
V DDO_C
nQC 1
QC1
nQC 0
QC0
V DDO_C
56 Lead 8mm x 8mm VFQFN
REVISION B 05/29/15
1 ©2015 INTEGRATED DEVICE TECHNOLOGY, INC.
1 page  
8V49N211 DATA SHEET
Absolute Maximum Ratings
NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress
specifications only. Functional operation of product at these conditions or any conditions beyond those listed in the DC Characteristics or AC
Characteristics is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.
Item
Supply Voltage, VDD
Inputs, VI
XTAL_IN
Other Inputs
Outputs, VO (LVCMOS)
Outputs, IO (LVDS)
Continuous Current
Outputs, VO (HCSL)
Junction Temperature, TJ
Storage Temperature, TSTG
Rating
3.63V
0V to 2V
-0.5V to VDD + 0.5V
-0.5V to VDDO_A + 0.5V
10mA
15mA
-0.5V to VDDO_C + 0.5V
125°C
-65C to 150C
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, VDD_X = VDDO_X = 3.3V ± 5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum
Typical
Maximum
VDD_X Power Supply Voltage
3.135 3.3 3.465
VDDA
Analog Supply Voltage
VDD – 0.1
3.3
VDD
VDDO_X Power Supply Voltage
3.135 3.3 3.465
IDD_X
Power Supply Current
118 132
IDDA
Analog Supply Current
52 58
IDDO_X Power Supply Current; NOTE 1
103 115
NOTE: VDD_X denotes, VDD, VDDD, VDD_XTAL.
NOTE: VDDO_X denotes, VDDO_A, VDDO_B, VDDO_C, VDDO_C5, VDDO_REFOUT.
NOTE: IDD_X denotes, IDD, IDDD, IDD_XTAL.
NOTE: IDDO_X denotes, IDDO_A + IDDO_B + IDDO_C + IDDO_C5 + IDDO_REFOUT.
NOTE: The device has a power sequence requirement, refer to the Application Section.
NOTE 1: HCSL outputs are disabled, LVDS outputs are terminated with 100 and LVCMOS, outputs enabled but without load.
Units
V
V
V
mA
mA
mA
Table 4B. LVCMOS/LVTTL DC Characteristics, VDD_X = VDDO_A = VDDO_REFOUT = 3.3V ± 5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum
Units
VIH Input High Voltage
VIL Input Low Voltage
FSEL, BYPASS
IIH Input High Current
OE_[4:1]
FSEL, BYPASS
IIL Input Low Current
OE_[4:1]
VOH Output High Voltage QA[0:1], REFOUT
VOL Output High Voltage QA[0:1], REFOUT
NOTE: VDD_X denotes, VDD, VDDD, VDD_XTAL.
VDD = VIN = 3.465V
VDD = VIN = 3.465V
VDD = 3.465V, VIN = 0V
VDD = 3.465V, VIN = 0V
IOH = -12mA
IOL = 12mA
2
-0.3
-5
-150
2.6
VDD + 0.3
0.8
150
5
0.5
V
V
µA
µA
µA
µA
V
V
REVISION B 05/29/15
5 CLOCK GENERATOR FOR BROADCOM PROCESSOR
5 Page 
HCSL Typical Phase Noise at 100MHz
8V49N211 DATA SHEET
Offset Frequency (HZ)
REVISION B 05/29/15
11 CLOCK GENERATOR FOR BROADCOM PROCESSOR
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet 8V49N211.PDF ] | |
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