ICS9FG1200DF-1LF IDT, Integrated Device Technology Inc, ICS9FG1200DF-1LF Datasheet - Page 5

• Manufacturer Part Number: ICS9FG1200DF-1LF
• Description: IC FREQUENCY GENERATOR 56-SSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Frequency Generatorr

Specifications of ICS9FG1200DF-1LF

• Input: Clock
• Output: Differential
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-SSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 9FG1200DF-1LF

IDT
Notes:
1. Targetted input/output frequency pairs
2. This Gear is also used for 160MHz/320 MHz.
3. Gear Ratio 5/4 is power up default for FS_A_410 = 1
4. Gear Ratio 3/1 is power up default for FS_A_410 = 0
5. This Gear is also used for 400MHz/200MHz
6. This Gear is also used for 320MHz/200MHz
9FG1200-1 Programmable Gear Ratios
(CPU FSB)
ICS9FG1200D-1
Frequency Gearing Clock for CPU, PCIe Gen1, Gen2 & FBD
CLK_IN
®
100.00
100.00
100.00
100.00
100.00
100.00
133.33
133.33
133.33
133.33
133.33
166.67
166.67
166.67
160.00
166.67
166.67
200.00
200.00
200.00
200.00
200.00
266.67
266.67
320.00
266.67
333.33
320.00
333.33
333.33
400.00
400.00
400.00
400.00
400.00
Frequency Gearing Clock for CPU, PCIe Gen1, Gen2 & FBD
MHz
Geared DIF
Outputs
133.33
166.67
200.00
266.67
333.33
400.00
166.67
200.00
266.67
333.33
400.00
133.33
200.00
266.67
320.00
333.33
400.00
133.33
166.67
266.67
333.33
400.00
133.33
166.67
200.00
200.00
133.33
160.00
166.67
200.00
133.33
160.00
166.67
320.00
333.33
MHz
12
M
3
3
1
3
3
1
4
2
1
2
1
5
5
5
1
5
3
6
3
3
1
2
8
4
5
2
5
3
5
5
6
10
12
n
4
5
2
8
4
5
3
2
5
3
4
6
8
2
2
5
4
5
2
1
5
3
2
1
3
1
2
5
4
5
Ratio n/M
1.333
1.667
2.000
2.667
3.333
4.000
1.250
1.500
1.250
1.500
3.000
0.800
1.200
1.600
2.000
2.400
0.667
0.833
1.333
1.667
2.000
0.500
0.625
0.750
0.400
0.500
0.600
0.333
0.400
0.417
0.800
0.833
Gear
(FS_A#)
Byte 0,
bit 4
FS4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Byte 0,
bit 3
FS3
5
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Byte 0,
bit 2
FS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Byte 0,
bit 1
FS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Byte 0,
bit 0
FS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Notes
1, 6
1,3
1,2
1,5
1,4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1138C 02/08/10