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FS6232-01

Two-Way MP Motherboard Clock Generator IC

AMI Semiconductor 

AMERICAN MICROSYSTEMS, INC.

FS6232-01

Two-Way MP Motherboard Clock Generator IC

September 2000

Table 12: DC Electrical Specifications

Unless otherwise stated, all power supplies = 3.3V ± 5%, no load on any output, and ambient temperature range TA = 0°C to 70°C. Parameters denoted with an asterisk ( * ) represent nominal

characterization data and are not currently production tested to any specific limits. MIN and MAX characterization data are ± 3σ f rom typical. Negative currents indicate current flows out of the device.

PARAMETER

SYMBOL

CONDITIONS/DESCRIPTION

MIN.

TYP.

MAX. UNITS

Overall

Supply Current, Dynamic, with Loaded

Outputs

IDD

fHOST=133MHz; VDD=3.465V, RIREF=475Ω, IOH=6IREF

fHOST=100MHz; VDD=3.465V, RIREF=475Ω, IOH=6IREF

260

250

mA

Supply Current, Static

IDDs

PWR_DWN# low, all supplies = 3.465V,

RIREF= 475Ω, IOH = 6 × IREF

µA

Digital Inputs (PWR_DWN#, SEL133/100#, SS_EN#)

High-Level Input Voltage

VIH

Low-Level Input Voltage

VIL

Input Leakage Current

IIL

2.0

VSS-0.3

-5

VDD+0.3

V

0.8

V

+5

µA

Crystal Oscillator Feedback (XIN)

Threshold Bias Voltage

High-Level Input Current

Low-Level Input Current

Crystal Loading Capacitance *

Input Loading Capacitance *

VTH

1.5

V

IIH

VIH = 3.3V

32

µA

IIL

VIL = 0V

-32

µA

CL(xtal)

As seen by an external crystal connected to

XIN and XOUT

13.5

18

22.5

pF

CL(XIN)

As seen by an external clock driver on

XOUT; XIN unconnected

36

pF

Crystal Oscillator Drive (XOUT)

High Level Output Source Current

Low Level Output Sink Current

IOH

VI (XIN) = 3.3V, VO = 0V

IOL

VI (XIN) = 0V, VO = 3.3V

-8.0

mA

8.7

mA

Current Reference (IREF)

Bias Voltage

Short Circuit Output Source Current

VOH

no load

IOH

VO = 0V

1.1

V

mA

MREF_P, MREF_N, CK66_0:3, PCI_0:9 Clock Outputs (Type 5 Clock Driver)

High Level Output Source Current

Low Level Output Sink Current

Output Impedance

Tristate Output Current

Short Circuit Output Source Current

Short Circuit Output Sink Current

IOH min

IOH max

IOL min

IOL max

zOL

zOH

IOZ

IOSH

IOSL

VDD_M, VDD_66, VDD_P = 3.135V,

VO = 1.0V

VDD_M, VDD_66, VDD_P = 3.465V,

VO = 3.135V

VDD_M, VDD_66, VDD_P = 3.135V,

VO = 1.95V

VDD_M, VDD_66, VDD_P = 3.465V,

VO = 0.4V

Measured at 1.65V, output driving low

Measured at 1.65V, output driving high

VO = 0V; shorted for 30s, max.

VO = 3.3V; shorted for 30s, max.

-33

mA

-33

30

12

12

-10

-51

62

mA

38

55

55

Ω

10

µA

mA

mA

ISO9001

7

9.18.00

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