ICS9250BF-28LFT IDT, Integrated Device Technology Inc, ICS9250BF-28LFT Datasheet - Page 13
![no-image](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_sml.jpg)
ICS9250BF-28LFT
Manufacturer Part Number
ICS9250BF-28LFT
Description
IC FREQ GENERATOR/BUFFER 56-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Frequency Generatorr
Datasheet
1.ICS9250BF-28LFT.pdf
(17 pages)
Specifications of ICS9250BF-28LFT
Frequency - Max
133MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-SSOP
Frequency-max
133MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output
-
Input
-
Other names
9250BF-28LFT
1
1
T
CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF
Refer to Group Offset Waveforms diagram for definition of transition edges.
T
CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF
Refer to Group Offset Waveforms diagram for definition of transition edges.
Group Skews (CPU 133 MHz, SDRAM 133MHz)
Group Skews (CPU133 MHz, SDRAM 100MHz)
3V66 to PCI
3V66 to PCI
CPU to 3V66
CPU to 3V66
SDRAM to 3V66
Guaranteed by design, not 100% tested in production.
SDRAM to 3V66
Guaranteed by design, not 100% tested in production.
IOAPIC to PCI
IOAPIC to PCI
CPU to SDRAM
CPU to SDRAM
A
A
= 0 - 70º C; V
= 0 - 70º C; V
PARAMETER
PARAMETER
DD
DD
Skew Window
Skew Window
Skew Window
Skew Window
Skew Window
Skew Window
Skew Window
Skew Window
Skew Window
Skew Window
= 3.3 V +/-5%, V
= 3.3 V +/-5%, V
Skew
Skew
Skew
Skew
Skew
Skew
Skew
Skew
Skew
Skew
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
T
T
T
T
T
T
T
T
T
T
T
T
DDL
DDL
T
T
T
sk3 SDRAM-3V66
T
sk3 SDRAM-3V66
sk3 CPU-SDRAM
w3 SDRAM-3V66
T
sk3 CPU-SDRAM
w3 SDRAM-3V66
T
w3 CPU-SDRAM
T
w3 CPU-SDRAM
T
SYMBOL
SYMBOL
sk3 IOAPIC-PCI
sk3 IOAPIC-PCI
w3 IOAPIC-PCI
w3 IOAPIC-PCI
sk3 CPU-3V66
sk3 CPU-3V66
w3 CPU-3V66
w3 CPU-3V66
sk3 3V66-PCI
w3 3V66-PCI
sk3 3V66-PCI
w3 3V66-PCI
= 2.5 V +/-5%
= 2.5 V +/-5%
CPU @ 1.25 V, SDRAM @ 1.5 V
CPU @ 1.25 V, SDRAM @ 1.5 V
IOAPIC @ 1.25 V, PCI @ 1.5 V
IOAPIC @ 1.25 V, PCI @ 1.5 V
CPU @ 1.25 V, 3V66 @ 1.5 V
CPU @ 1.25 V, 3V66 @ 1.5 V
SDRAM, 3V66 @ 1.5 V
SDRAM, 3V66 @ 1.5 V
3V66, PCI @ 1.5 V
3V66, PCI @ 1.5 V
CONDITIONS
CONDITIONS
-3.25
MIN
MIN
-500
-500
-500
-500
3.25
1.5
1.5
-1
-1
0
0
0
0
0
0
0
0
0
0
-3.08
TYP
TYP
3.45
-0.1
-0.1
155
120
120
175
165
165
105
185
185
-15
2.2
2.2
80
60
0
0
ICS9250-28
MAX UNITS
MAX UNITS
-4.25
4.25
500
500
500
500
500
500
500
500
500
500
500
500
3.5
3.5
1
1
1
1
ns
ps
ps
ps
ps
ps
ns
ps
ns
ns
ps
ps
ps
ps
ps
ps
ns
ps
ns
ns