ICS9FG1904BK-1LF IDT, Integrated Device Technology Inc, ICS9FG1904BK-1LF Datasheet - Page 6

• 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:FS_A_410 = 1
1. Powerup Default for FS_A_410 = 1
2. Powerup Default for FS_A_410 = 0
3. Setting the exact FSB frequency after Power is required for best phase noise performance.
ICS 9FG1904B-1 1:1 PLL Programming
Output Divider Ratios
Decimal
Desired
Byte 9,
Value
bit 2
FSC
10
14
12
20
28
16
24
40
56
2
3
5
7
4
6
8
1
0
0
0
0
1
1
1
Integrated
Circuit
Systems, Inc.
Value to
Register
write to
Binary
Byte9,
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
bit 1
FSB
0
0
1
1
0
0
1
1
FS_A_410
Byte 9,
bit 0
1
1
1
0
0
0
0
1
(CPU FSB)
CLK_IN
100.00
133.33
166.67
200.00
266.67
333.33
400.00
MHz
Reserved
6
Outputs
1:1 DIF
100.00
133.33
166.67
200.00
266.67
333.33
400.00
MHz
Notes
3
3
1
3
3
3
2
ICS9FG1904B-1