ICS9250BF-16 IDT, Integrated Device Technology Inc, ICS9250BF-16 Datasheet

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ICS9250BF-16

Manufacturer Part Number
ICS9250BF-16
Description
IC FREQ GENERATOR/BUFFER 56-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Frequency Generatorr
Datasheet
1.ICS9250BF-16LFT.pdf (17 pages)

Specifications of ICS9250BF-16

Frequency - Max
150MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-SSOP
Frequency-max
150MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Output
-
Input
-
Other names
9250BF-16

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Frequency Generator & Integrated Buffers for Celeron & PII/III™
Recommended Application:
Output Features:
•
•
•
•
•
•
•
Features:
•
•
•
•
•
Block Diagram
Third party brands and names are the property of their respective owners.
FS(2:0)
SDATA
SCLK
9250-16 Rev H 9/5/00
PD#
X2
X1
3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz
achievable through I
9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz
achievable through I
8 PCI (3.3 V) @33.3MHz
2 IOAPIC (2.5V) @ 33.3MHz
2 Hublink clocks (3.3 V) @ 66.6MHz
2 USB (3.3V) @ 48MHz ( Non spread spectrum)
1 REF (3.3V) @ 14.318MHz
Supports spread spectrum modulation,
down spread 0 to -0.5% and ± 0.25% center spread.
I
Efficient power management scheme through PD#
Uses external 14.138MHz crystal
Alternate frequency selections available through I
control.
2
C support for power management
XTAL
OSC
PLL2
Control
Config
Logic
Reg
Spectrum
Integrated
Circuit
Systems, Inc.
Spread
PLL1
/2
/2
2
2
C)
C)
/3
/2
REF0
3
2
8
1
8
2
2
VDDL
CPU66/100/133 [2:0]
3V66 [1:0]
SDRAM [7:0]
SDRAM_F
PCICLK [7:0]
IOAPIC [1:0]
VDDL
48MHz [1:0]
2
C
Functionality
F
X
X
0
0
S
1
1
*FS2//REF0
2
48MHz_0
48MHz_1
PCICLK0
PCICLK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
PCICLK7
3V66-0
3V66-1
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
GND0
GND1
GND2
GND2
GND3
GND4
VDD0
VDD1
VDD2
VDD2
VDD3
VDD4
FS0
X1
X2
F
0
0
S
1
1
1
1
1
56-Pin 300mil SSOP
Pin Configuration
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
F
S
0
0
0
1
1
1
0
T
e T
A
S
A
S
A
S
S (
A
S
s i r
D
D
D
D
i t c
i t c
i t c
i t c
p
t s
R
R
R
R
c e
a t
e v
e v
e v
e v
A
A
A
A
l a i
e t
M
M
M
M
C
C
C
C
C
P
P
P
P
=
=
=
=
ICS9250-16
U
U
U
U
o
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
1
1
d n
1
F
=
=
=
=
0 0
0 0
0 0
3 3
u
t i
n
6 6
1
1
1
M
M
M
M
o i
0 0
3 3
3 3
t c
M
H
H
H
) n
H
o i
M
M
M
GNDL1
IOAPIC0
IOAPIC1
VDDL1
CPUCLK0
VDDL0
CPUCLK1
CPUCLK2
GNDL0
GND5
SDRAM0
SDRAM1
VDD5
SDRAM2
SDRAM3
GND5
SDRAM4
SDRAM5
VDD5
SDRAM6
SDRAM7
GND5
SDRAM_F
VDD5
PD#
SCLK
SDATA
FS1
z
z
z
z
H
n
H
H
H
z
z
z
z

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ICS9250BF-16 Summary of contents

Page 1

Integrated Circuit Systems, Inc. Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: Output Features: • 3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz 2 achievable through I C) • 9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz 2 ...

Page 2

ICS9250-16 General Description Pin Configuration ...

Page 3

Power Down Waveform Maximum Allowed Current ...

Page 4

ICS9250-16 General I How to Write: How to Write: Controller (Host) ICS (Slave/Receiver) Start Bit Address D2 (H) Dummy Command Code Dummy Byte Count Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Stop Bit 2 C ...

Page 5

...

Page 6

ICS9250- ...

Page 7

...

Page 8

ICS9250-16 Absolute Maximum Ratings Electrical Characteristics - Input/Supply/Common Output Parameters 70C; Supply Voltage PARAMETER SYMBOL Input High Voltage V IH Input Low Voltage V IL Input High Current IL1 Input ...

Page 9

Electrical Characteristics - CPU 70C 2.5 V +/-5 DDL PARAMETER SYMBOL 1 Output Impedance R DSP2B 1 Output Impedance R DSN2B Output High Voltage V OH2B Output Low Voltage V OL2B I ...

Page 10

ICS9250-16 Electrical Characteristics - IOAPIC 70C 2.5 V +/-5 DDL PARAMETER SYMBOL 1 Output Impedance R DSP4B 1 Output Impedance R DSN4B Output High Voltage V OH4B Output Low Voltage V OL4B ...

Page 11

Electrical Characteristics - PCI 70C 3.3 V +/-5 PARAMETER SYMBOL 1 Output Impedance R DSP1B 1 Output Impedance R DSN1B Output High Voltage V OH1 Output Low Voltage V OL1 I ...

Page 12

ICS9250-16 Electrical Characteristics - 48MHz_1 (Pin 26 70C 3.3 V +/-5 PARAMETER SYMBOL 1 Output Impedance R DSP3B 1 Output Impedance R DSN3B Output High Voltage V OH3 Output Low Voltage ...

Page 13

CPU 66MHz SDRAM 100MHz 3.3V 66MHz 0ns CPU 100MHz SDRAM 100MHz 3.3V 66MHz 0ns CPU 133MHz SDRAM 100MHz 0.0ns 3.3V 66MHz 0ns 3.3V 66MHz 1.5-3.5ns PCI 33MHz 10ns 20ns Cycle Repeats 2.5ns 7.5ns 10ns 20ns Cycle Repeats 5.0ns 6.0ns ...

Page 14

ICS9250-16 Group Skews (CPU = 66 MHz 70º 3.3 V +/-5 CPU & IOAPIC load (lumped pF; PCI, SDRAM, 3V66 load (lumped Refer to Group ...

Page 15

Group Skews (CPU = 133 MHz 70º 3.3 V +/-5 CPU & IOAPIC load (lumped pF; PCI, SDRAM, 3V66 load (lumped Refer to Group Offset ...

Page 16

ICS9250-16 Ferrite C2 Bead 22µF/20V Tantalum VDD 3.3V Power Route ...

Page 17

Ordering Information ICS9250yF-16-T ICS XXXX PPP - T ICS9250-16 SY MBOL In Millimeters COMMON DIMENSIONS COMMON DIMENSIONS MIN 2.413 2.794 A 1 0.203 0.406 b 0.203 0.343 c 0.127 0.254 SEE V A RIA ...

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