80960KB datasheet(44/44 Pages) INTEL

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80960KB

5.0

REVISION HISTORY

No revision history was maintained in earlier revisions of this data sheet. All errata that has been

identified to date is incorporated into this revision. The sections significantly changed since the

previous revision are:

Section

Last

Rev.

Description

Table 4. 80960KB Pin

Description: L-Bus Signals (pg. 8)

-005

LOCK pin description rewritten for clarity.

2.3. Connection Recommenda-

tions (pg. 11)

-005

Changed suggested open-drain termination networks to reflect

more realistic operating conditions with reduction in DC power

consumption.

Figure 9. Typical Current vs.

Frequency (Hot Temp) (pg. 13)

-005

Added figure for typical power supply current at hot

temperature to aid thermal analysis.

Figure 12. Test Load Circuit for

Three-State Output Pins (pg. 14)

Figure 13. Test Load Circuit for

Open-Drain Output Pins (pg. 14)

-005

All outputs now specified with standard 50 pF test loads to

agree with actual test methodology.

2.7. DC Characteristics (pg. 15)

-005

ICC max specification reduced:

WAS:

IS:

AT:

375 mA

315 mA

16 MHz

420 mA

360 mA

20 MHz

480 mA

420 mA

25 MHz

Figures 7, 8, 9, 23, 24, 25 and 26 have also been changed

accordingly.

2.8. AC Specifications (pg. 16)

-005

25 MHz operation extended to product in PQFP package. T8

min. improved at all frequencies from 0 ns to 2 ns and T8 max.

improved from 20 ns to 18 ns.

T8H max improvement:

WAS:

IS:

AT:

31ns

28ns

16 MHz

26ns

23ns

20 MHz

24ns

23ns

25 MHz

Functional Waveforms

-005

Redrawn for clarity. CLK signal drawn with more likely phase

relationship to CLK2. Open-drain output signals drawn to show

correct inactive states.

Various

-005

Deleted all references to 10 MHz. Intel no longer offers a

10 MHz 80960KB device.

Table 4. 80960KB Pin

Description: L-Bus Signals (pg. 8)

-006

DEN pin description omitted from revision -005.

Figure 18, 80960KB PGA

Pinout—View from Bottom (Pins

Facing Up) (pg. 22)

-006

Pin M2 was N.C., now shows as VCC

Pin M13 was VCC, now shows as N.C.

Revision -008

To address the fact that many of the package prefix variables have changed, all package

prefix variables in this document are now indicated with an "x".

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