ICS9250-26 datasheet(12/15 Pages) ICST

12 / 15 page

ICS9250-26

Electrical Characteristics - 48MHz_1 (Pin 26)

TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 20-30 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Impedance

RDSP3B

VO = VDD*(0.5)

Ω

Output Impedance

RDSN3B

VO = VDD*(0.5)

Ω

Output High Voltage

VOH3

IOH = -1 mA

2.4

Output Low Voltage

VOL3

IOL = 1 mA

0.55

VOH @ MIN = 2.0 V

-54

-82

VOH @ MAX = 3.135 V

-20

-46

VOL @ MIN = 1.0 V

VOL @ MAX = 0.4 V

Rise Time

tr3

VOL = 0.4 V, VOH = 2.4 V

0.4

1.1

1.6

Fall Time

tf3

VOH = 2.4 V, VOL = 0.4 V

0.4

1.3

1.6

Duty Cycle

dt3

VT = 1.5 V

Jitter, Cycle-to-cycle

tjcyc-cyc3B

VT = 1.5 V

130

250

1Guaranteed by design, not 100% tested in production.

Output High Current

IOH3

Output Low Current

IOL3

Group Skews (CPU = 66 MHz)

TA = 0 - 70º C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%

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

Refer to Group Offset Waveform diagram for definition of transition edges.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CPU to SDRAM

Skew

Tsk1 CPU-SDRAM

-3

-2.6

-2

Skew Window

Tw1 CPU-SDRAM

150

500

CPU to 3V66

Skew

Tsk1 CPU-3V66

77.2

Skew Window

Tw1 CPU-3V66

130

500

SDRAM to 3V66

Skew

Tsk1 SDRAM-3V66

-500

100

500

Skew Window

Tw1 SDRAM-3V66

155

500

3V66 to PCI

Skew

Tsk1 3V66-PCI

1.5

2.4

3.5

Skew Window

Tw1 3V66-PCI

275

500

IOAPIC to PCI

Skew

Tsk1 IOAPIC-PCI

-1

-0.4

Skew Window

Tw1 IOAPIC-PCI

00.25

1Guaranteed by design, not 100% tested in production.

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

ICS9250-26 Datasheet(PDF) 12 Page - Integrated Circuit Systems

ICS9250-26 Datasheet(HTML) 12 Page - Integrated Circuit Systems

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Datasheet Download

Link URL