ICS9250BF-28T Datasheet ICS9250BF-28, ICS9250BF-28LF, ICS9250BF-28LFT | P10-P12

10

ICS9250-28

Electrical Characteristics - PCI

T

A

= 0 - 70C; V

DD

= 3.3 V +/-5%; C

L

= 10-30 pF (unless otherwise specified)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Output Impedance R

DSP1B

1

V

O

= V

DD

*(0.5) 12 15 55 Ω

Output Impedance R

DSN1B

1

V

O

= V

DD

*(0.5) 12 15 55 Ω

Output High Voltage V

OH1

I

OH

= -1 mA 2.4 V

Output Low Voltage V

OL1

I

OL

= 1 mA 0.55 V

V

OH @ MIN

= 1.0 V -33 -106

V

OH @ MAX

= 3.135 V -14 -33

V

OL @ MIN

= 1.95 V 30 94

V

OL @ MAX

= 0.4 V 29 38

Rise Time

1

t

r1

V

OL

= 0.4 V, V

OH

= 2.4 V 0.4 1.3 2 ns

Fall Time

1

t

f

1

V

OH

= 2.4 V, V

OL

= 0.4 V 0.4 1.4 2 ns

Duty Cycle

1

d

t1

V

T

= 1.5 V 45 51 55 %

Skew window

1

t

sk1

V

T

= 1.5 V 20 500 ps

Jitter, Cycle-to-cycle

1

t

jcyc-cyc1

V

T

= 1.5 V

175 500 ps

1

Guaranteed by design, not 100% tested in production.

Output High Current

I

OH1

mA

Output Low Current

I

OL1

mA

Electrical Characteristics - REF, 48MHz_0 (Pin 26)

T

A

= 0 - 70C; V

DD

= 3.3 V +/-5%; C

L

= 10-20 pF (unless otherwise specified)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Output Impedance R

DSP5B

1

V

O

= V

DD

*(0.5) 20 29 60 Ω

Output Impedance R

DSN5B

1

V

O

= V

DD

*(0.5) 20 27 60 Ω

Output High Voltage V

OH15

I

OH

= -1 mA 2.4 V

Output Low Voltage V

OL5

I

OL

= 1 mA 0.55 V

V

OH @ MIN

= 1.0 V -29 -54

V

OH @ MAX

= 3.135 V -11 -23

V

OL @ MIN

= 1.95 V 29 54

V

OL @ MAX

= 0.4 V 16 27

Rise Time

1

t

r5

V

OL

= 0.4 V, V

OH

= 2.4 V 0.4 1.3 4 ns

Fall Time

1

t

f

5

V

OH

= 2.4 V, V

OL

= 0.4 V 0.4 1.6 4 ns

Duty Cycle

1

d

t5

V

T

= 1.5 V 45 53 55 %

Jitter, Cycle-to-cycle

1

t

jcyc-cyc5

V

T

= 1.5 V, Fixed clocks 160 500 ps

Jitter, Cycle-to-cycle

1

t

jcyc-cyc5

V

T

= 1.5 V, Ref clocks

420 1000 ps

1

Guaranteed by design, not 100% tested in production.

Output High Current

I

OH5

mA

Output Low Current

I

OL5

mA

11

ICS9250-28

Electrical Characteristics - 48MHz_1 (Pin 27)

T

A

= 0 - 70C; V

DD

= 3.3 V +/-5%; C

L

= 10-15 pF (unless otherwise specified)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Output Impedance R

DSP3B

1

V

O

= V

DD

*(0.5) 10 15 24 Ω

Output Impedance R

DSN3B

1

V

O

= V

DD

*(0.5) 10 15 24 Ω

Output High Voltage V

OH3

I

OH

= -1 mA 2.4 V

Output Low Voltage V

OL3

I

OL

= 1 mA 0.55 V

V

OH @ MIN

= 2.0 V -54 -82

V

OH @ MAX

= 3.135 V -20 -46

V

OL @ MIN

= 1.0 V 54 95

V

OL @ MAX

= 0.4 V 28 53

Rise Time

1

t

r3

V

OL

= 0.4 V, V

OH

= 2.4 V 0.4 1.1 1.6 ns

Fall Time

1

t

f

3

V

OH

= 2.4 V, V

OL

= 0.4 V 0.4 1.3 1.6 ns

Duty Cycle

1

d

t3

V

T

= 1.5 V 45 53 55 %

Jitter, Cycle-to-cycle

1

t

jcyc-cyc3B

V

T

= 1.5 V

145 500 ps

1

Guaranteed by design, not 100% tested in production.

Output High Current

I

OH3

mA

Output Low Current

I

OL3

mA

12

ICS9250-28

Group Skews (CPU 66 MHz, SDRAM 100MHz)

T

A

= 0 - 70º C; V

DD

= 3.3 V +/-5%, V

DDL

= 2.5 V +/-5%

CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF

R

efer to Group Offset Waveforms diagram for definition of transition edges.

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

CPU to SDRAM Skew

1

T

sk1 CPU-SDRAM

-3 -2.7 -2 ns

Skew Window

1

T

w

1 CPU-SDRAM

0 165 500 ps

CPU to 3V66 Skew

1

T

sk1 CPU-3V66

77.68ns

Skew Window

1

T

w

1 CPU-3V66

0 105 500 ps

SDRAM to 3V66 Skew

1

T

sk1 SDRAM-3V66

-500 180 500 ps

Skew Window

1

T

w

1 SDRAM-3V66

0 210 500 ps

3V66 to PCI Skew

1

T

sk1 3V66-PCI

1.5 2.1 3.5 ns

Skew Window

1

T

w

1 3V66-PCI

0 90 500 ps

I

OAPIC to PCI Skew

1

T

sk1 IOAPIC-PCI

-1 -0.1 1 ns

Skew Window

1

T

w1 IOAPIC-PCI

001ns

1

Guaranteed by design, not 100% tested in production.

Group Skews (CPU 100 MHz, SDRAM 100MHz)

T

A

= 0 - 70º C; V

DD

= 3.3 V +/-5%, V

DDL

= 2.5 V +/-5%

CPU & IOAPIC load (lumped) = 20 pF; PCI, SDRAM, 3V66 load (lumped) = 30 pF

R

efer to Group Offset Waveforms diagram for definition of transition edges.

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

CPU to SDRAM Skew

1

T

sk2 CPU-SDRAM

4.5 4.9 5.5 ns

Skew Window

1

T

w

2 CPU-SDRAM

0 180 500 ps

CPU to 3V66 Skew

1

T

sk2 CPU-3V66

4.5 5 5.5 ns

Skew Window

1

T

w

2 CPU-3V66

0 100 500 ps

SDRAM to 3V66 Skew

1

T

sk2 SDRAM-3V66

-500 175 500 ps

Skew Window

1

T

w

2 SDRAM-3V66

0 200 500 ps

3V66 to PCI Skew

1

T

sk2 3V66-PCI

1.5 2.1 3.5 ns

Skew Window

1

T

w

2 3V66-PCI

0 90 500 ps

I

OAPIC to PCI Skew

1

T

sk2 IOAPIC-PCI

-1 -0.1 1 ns

Skew Window

1

T

w2 IOAPIC-PCI

001ns

1

Guaranteed by design, not 100% tested in production.

CPU @ 1.25 V, 3V66 @ 1.5 V

SDRAM, 3V66 @ 1.5 V

3V66, PCI @ 1.5 V

IOAPIC @ 1.25 V, PCI @ 1.5 V

CPU @ 1.25 V, SDRAM @ 1.5 V

CPU @ 1.25 V, 3V66 @ 1.5 V

SDRAM, 3V66 @ 1.5 V

3V66, PCI @ 1.5 V

IOAPIC @ 1.25 V, PCI @ 1.5 V

ICS9250BF-28T

ICS9250BF-28T

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