ICS9FG1901CKLF IDT, Integrated Device Technology Inc, ICS9FG1901CKLF Datasheet - Page 10

• Manufacturer Part Number: ICS9FG1901CKLF
• Description: IC FREQUENCY GENERATOR 72-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Frequency Generatorr

Specifications of ICS9FG1901CKLF

• 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: 72-VFQFN, 72-VFQFPN
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 9FG1901CKLF

0962E—01/02/07
SMBusTable: FSB Frequency Select Register
SMBusTable: Output Control Register
SMBusTable: Output and PLL BW Control Register
SMBusTable: Output Enable Readback Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
Byte 1
Byte 2
Byte 3
Note: Bit 7 is wired OR to the HIGH_BW# input, any 0 selects High BW
Note: Bit 6 is wired OR to the SMB_A2_PLLBYP# input, any 0 selects Fanout Bypass mode
DIF(18:17)
DIF(16:0)
Integrated
Circuit
Systems, Inc.
see note
see note
72
8
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
GRSEL_17
GRSEL_2
FSBG_3
FSBG_2
FSBG_1
FSBG_0
DIF_13
DIF_12
DIF_11
DIF_10
Name
Name
DIF_7
DIF_6
DIF_5
DIF_4
DIF_3
DIF_2
DIF_1
DIF_0
Name
DIF_9
DIF_8
Name
Readback - SMB_A2_PLLBYP# In
Readback - OE_01234# Input
BYPASS# test mode / PLL
Readback - HIGH_BW# In
FS_A_410 Latched Input
Readback - OE9# Input
Readback - OE8# Input
Readback - OE7# Input
Readback - OE6# Input
Readback - OE5# Input
PLL_BW# adjust
Group of 17 gear ratio select
Group of 2 gear ratio select
FSB Gear Ratio FS_3
FSB Gear Ratio FS_2
FSB Gear Ratio FS_1
FSB Gear Ratio FS_0
Control Function
Control Function
Control Function
Control Function
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
Output Control
10
Reserved
Type
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
R
R
R
R
R
Programmable Gear Ratios
Gear Ratio
Gear Ratio
High BW
Bypass
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
See ICS9FG1901
0
0
0
0
Readback
Readback
Readback
Readback
Readback
Readback
Readback
Readback
Table
ICS9FG1901
Low BW
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
Enable
PLL
1:1
1:1
1
1
1
1
Latch
PWD
PWD
PWD
PWD
X
X
X
X
X
X
X
X
X
1
1
x
0
x
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1