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FS6158-01

Two-Way/Four Way Motherboard Clock Generator/Buffer IC

AMI Semiconductor 

FS6158-01

Two-Way/Four Way Motherboard Clock Generator/Buffer IC

Table 13: DC Electrical Specifications, continued

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 from typical. Negative currents indicate current flows out of the device.

PARAMETER

SYMBOL

CONDITIONS/DESCRIPTION

MIN.

TYP.

MAX. UNITS

HOST_P1:4, HOST_N1:4 Clock Outputs (Type X1 Clock Buffer)

Crossover Voltage

High-Level Output Source Current

Output Source Current Tolerance

VX

IOH

∆IOH

RS = 33.2Ω, RP = 49.9Ω,

RIREF = 475Ω, IOH = 6 × IREF

VO = 0.65V, RIREF = 475Ω, IOH = 6 × IREF

VO = 0.74V, RIREF = 475Ω, IOH = 6 × IREF

VDD = 3.30V, over settings in Table 7

VDD_I=3.3V±5%, over settings in Table 7

45

12.9

-7

-12

55

14.9

+7

+12

%VOH

mA

%IOH

Output Impedance

Tristate Output Current

zOH

∆VO/∆IO, where VO1 = 1.0V, VO2 = VSS,

RIREF = 475Ω, IOH = 6 × IREF

IOZ

3000

-10

Ω

10

µA

SEL_A / APIC_0, SEL_B / APIC_1, and SS_EN# / APIC_3 Latched Inputs / Clock Outputs (1.8V Clock Buffer)

High-Level Input Voltage

Low-Level Input Voltage

Input Leakage Current

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

VDD_A = 3.3V, LVTTL Input (APICON=0)

2.0

VIH

VDD_A = 1.8V, Latched Input (APICON=1)

1.17

VDD+0.3

V

VDD+0.3

VIL

VDD_A = 3.3V, LVTTL Input (APICON=0)

VDD_A = 1.8V, Latched Input (APICON=1)

VSS-0.3

VSS-0.3

0.8

V

0.63

IIL

-5

+5

µA

IOH

VDD_A = 1.8V, VO = 1.4V

-25

mA

IOL

VDD_A = 1.8V, VO = 0.4V

24

mA

zOL

Measured at 0.7V, output driving low

11

zOH

Measured at 0.7V, output driving high

18

37

41

Ω

IOZ

µA

IOSH

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

-97

mA

IOSL

VO = 1.8V; shorted for 30s, max.

64

mA

ISO9001

8

2.26.02

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