ICS9FG1904BK-1LF IDT, Integrated Device Technology Inc, ICS9FG1904BK-1LF Datasheet - Page 5

• Manufacturer Part Number: ICS9FG1904BK-1LF
• Description: IC FREQUENCY GENERATOR 72-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Frequency Generatorr

Specifications of ICS9FG1904BK-1LF

• Input: Clock
• Output: Clock
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 72-VFQFN, 72-VFQFPN
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 9FG1904BK-1LF

1255B—08/03/07
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
ICS 9FG1904B-1 Programmable Gear Ratios
(CPU FSB)
266.667/
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
166.67
166.67
200.00
200.00
200.00
200.00
200.00
266.67
320.00
266.67
333.33
333.33
333.33
400.00
400.00
400.00
400.00
400.00
MHz
160/
320/
Integrated
Circuit
Systems, Inc.
Geared DIF
Outputs
166.67/
333.33
200.00
166.67
133.33
166.67
200.00
266.67
333.33
400.00
166.67
200.00
266.67
333.33
100.00
133.33
200.00
266.67
400.00
133.33
166.67
266.67
333.33
400.00
133.33
200.00
133.33
200.00
133.33
160.00
166.67
320.00
333.33
MHz
320/
160/
12
M
3
3
1
3
3
1
4
2
1
2
4
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
0.750
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_410#)
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
5
Byte 0,
bit 3
FS3
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
ICS9FG1904B-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