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PDF 9FGP205 Data sheet ( Hoja de datos )

Número de pieza 9FGP205
Descripción FREQUENCY TIMING GENERATOR
Fabricantes IDT 
Logotipo IDT Logotipo



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No Preview Available ! 9FGP205 Hoja de datos, Descripción, Manual

DATASHEET
Advance Information
Frequency Timing Generator for Peripherals
9FGP205
Recommended Application:
Peripheral Clock for Intel Servers with Wake-On-Lan support
Output Features:
• 1 - 0.7V current-mode differential CPU output
• 6 - 50MHz RMII outputs
• 2 - 125MHz RGMII outputs
• 1 - 0.7V current-mode differential DOT 96MHz output
• 1 - 33.33MHz output
• 1 - 32.768KHz output
• 2 - 25MHz REF outputs
Key Specifications:
• Exact synthesis on CPU, RGMII, RMII & 33.33MHz
clocks
• +/- 100ppm frequency accuracy on other clocks
Features/Benefits:
• Selectable SMBus Address - D0/D1 or C0/C1
• Spread Spectrum capability on CPU and DOT 96MHz
clocks
• SMBus Control:
- M/N and spread programming on CPU and DOT
96MHz clocks via SMBus
- Differential outputs can be disabled via pins or SMBus
Pin Configuration
40 39 38 37 36 35 34 33 32 31
GND 1
30 GNDRMII
VDD96 2
29 RMII2
DOT96SST 3
28 RMII3
DOT96SSC 4
27 GNDRMII
OE_96 5
OE_CPU 6
9FGP205
26 VDDRMII
25 RMII4
CPUCLKT0 7
24 RMII5
CPUCLKC0 8
23 VDD33
VDDCPU 9
22 33.33MHZ/**SMBADR
GNDCPU 10
21 GND33
11 12 13 14 15 16 17 18 19 20
40-MLF
* Internal Pull-Up Resistor
** Internal Pull-Dow n Resistor
Functionality
CPU FS2 CPU FS1 CPU FS0 CPUCLK DOT96SS
Byte0 Bit2 Byte0 Bit1 Byte0 Bit0 MHz
MHz
0 0 0 266.67 96.00
0 0 1 133.33 96.00
0 1 0 200.00 96.00
0 1 1 166.67 96.00
1 0 0 333.33 96.00
1 0 1 100.00 96.00
1 1 0 400.00 96.00
1 1 1 Reserved 96.00
Power up default is highlighted.
33.33
MHz
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
RMII
MHz
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
RGMII
MHz
125.00
125.00
125.00
125.00
125.00
125.00
125.00
125.00
25
MHz
25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.00
32.768
KHz
32.768
32.768
32.768
32.768
32.768
32.768
32.768
32.768
SMBus Address Selection
SMBADR
SMBADR = 0 SMBADR = 1
D0/D1
C0/C1
IDT® Frequency Timing Generator for Peripherals
1
1664—05/14/10

1 page




9FGP205 pdf
9FGP205
Frequency Timing Generator for Peripherals
Advance Information
Truth Table1: CKPWRGD_WOL_STOP#, OE_96 and OE_CPU
CKPWRGD_WOL_STOP#
OE_96 DOT96SSC OE_CPU
0 X XX
0
1
0
Disabled
0
1
1
Enabled
1
*Assuming DOT96 Output Enable from SMBus Byte2 Bit0 sets to enable (default)
*Assuming CPUCLK Output Enable from SMBus Byte2 Bit1 sets to enable (default)
CPUCLK
X
Disabled
Enabled
Truth Table 2: CKPWRGD_WOL_STOP# Single-ended outputs
CKPWRGD_WOL_STOP#
Pin 16, 29,
32, 33
Pin 22
Other
outputs
0
Running
Hi-Z
Low
1 Running Running Running
*Assuming SMBus at default value.
Table: CPU Spread and Frequency Selection
CPU
CPU
CPU
CPU
SS_EN
FS2
FS1
FS0 CPU
Byte 0
Byte 0
Byte 0
Byte 0
MHz
Bit 3
Bit 2
Bit 1
Bit 0
0 0 0 0 266.67
0 0 0 1 133.33
0 0 1 0 200.00
0 0 1 1 166.67
0 1 0 0 333.33
0 1 0 1 100.00
0 1 1 0 400.00
0 1 1 1 200.00
1 0 0 0 266.67
1 0 0 1 133.33
1 0 1 0 200.00
1 0 1 1 166.67
1 1 0 0 333.33
1 1 0 1 100.00
1 1 1 0 400.00
1 1 1 1 200.00
Down
Spread %
0%
0%
0%
0%
0%
0%
0%
0%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
IDT® Frequency Timing Generator for Peripherals
5
1664—05/14/10

5 Page





9FGP205 arduino
9FGP205
Frequency Timing Generator for Peripherals
Advance Information
Electrical Characteristics - 33.33MHz
PARAMETER
SYMBOL
CONDITIONS*
MIN TYP MAX UNITS NOTES
Long Accuracy
ppm
see Tperiod min-max values
-100
0
100 ppm
1
Clock period
Tperiod 33.33MHz output non-spread 29.9970 30.0000 30.0030 ns
1
Output High Voltage
VOH
IOH = -1 mA
2.4
V1
Output Low Voltage
VOL
IOL = 1 mA
0.4 V 1
Output High Current
IOH
V OH @MIN = 1.0 V
VOH@MAX = 3.135 V
-33
mA
-33 mA
1
1
Output Low Current
IOL
VOL @ MIN = 1.95 V
VOL @ MAX = 0.4 V
30
mA 1
38 mA 1
Rise Time
tr
VOL = 0.4 V, VOH = 2.4 V
0.5 0.87 2 ns 1
Fall Time
tf
VOH = 2.4 V, VOL = 0.4 V
0.5 1.35 2 ns 1
Duty Cycle
dt1
VT = 1.5 V
45 50.7 55 % 1
Jitter, Cycle to cycle
tjcyc-cyc
VT = 1.5 V
104 350 ps 1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 5 pF with Rs as shown in the termination table (unless otherwise specified)
1Guaranteed by design and characterization, not 100% tested in production.
Electrical Characteristics - 32.768KHz
PARAMETER
SYMBOL
CONDITIONS*
MIN TYP MAX UNITS NOTES
Long Accuracy
ppm
see Tperiod min-max values
-100
-79
100 ppm
1
Clock period
Tperiod
32.768KHz output nominal
30.5149 30.5180 30.5211 us
1
Output High Voltage
VOH
IOH = -1 mA
2.4
V1
Output Low Voltage
VOL
IOL = 1 mA
0.4 V 1
Output High Current
IOH
V OH @MIN = 1.0 V
VOH@MAX = 3.135 V
-33
mA
-33 mA
1
1
Output Low Current
IOL
VOL @ MIN = 1.95 V
VOL @ MAX = 0.4 V
30
mA 1
38 mA 1
Rise Time
tr
VOL = 0.4 V, VOH = 2.4 V
1 1.39 4 ns 1
Fall Time
tf
VOH = 2.4 V, VOL = 0.4 V
1 1.6
4 ns 1
Duty Cycle
dt1
VT = 1.5 V
45 49.5 55 % 1
Jitter, Cycle to cycle
tjcyc-cyc
VT = 1.5 V
220 500 ps 1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 5 pF with Rs as shown in the termination table (unless otherwise specified)
1Guaranteed by design and characterization, not 100% tested in production.
IDT® Frequency Timing Generator for Peripherals
11
1664—05/14/10

11 Page







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