80960JD datasheet(30/61 Pages) INTEL

30 / 61 page

PRELIMINARY

80960JD

4.5

AC Specifications

The 80960JD AC timings are based upon device characterization.

Table 15. 80960JD AC Characteristics (50 MHz) (Sheet 1 of 2)

Symbol

Parameter

Min

Max

Units

Notes

INPUT CLOCK TIMINGS

CLKIN Frequency

MHz

CLKIN Period

125

CLKIN Period Stability

± 250

(1, 2)

TCH

CLKIN High Time

Measured at 1.5 V (1)

TCL

CLKIN Low Time

Measured at 1.5 V (1)

CLKIN Rise Time

0.8 V to 2.0 V (1)

TCF

CLKIN Fall Time

2.0 V to 0.8 V (1)

SYNCHRONOUS OUTPUT TIMINGS

OV1

Output Valid Delay, Except

ALE/ALE Inactive and DT/R

3.5

(3)

TOV2

Output Valid Delay, DT/R

0.5TC + 3.5

0.5TC + 17

TOF

Output Float Delay

3.5

(4)

SYNCHRONOUS INPUT TIMINGS

TIS1

Input Setup to CLKIN —

AD31:0, NMI, XINT7:0

(5)

TIH1

Input Hold from CLKIN —

AD31:0, NMI, XINT7:0

(5)

IS2

Input Setup to CLKIN —

RDYRCV and HOLD

(6)

TIH2

Input Hold from CLKIN —

RDYRCV and HOLD

(6)

TIS3

Input Setup to CLKIN —

RESET

(7)

IH3

Input Hold from CLKIN —

RESET

(7)

TIS4

Input Setup to RESET —

ONCE, STEST

(8)

TIH4

Input Hold from RESET —

ONCE, STEST

(8)

NOTE:

See Table 16 on page 28 for note definitions for this table.

80960JD Datasheet(PDF) 30 Page - Intel Corporation

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