82C59A_06 Datasheet, PDF(19/22 Page) Intersil Corporation

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82C59A_06 Datasheet, PDF (19/22 Pages) Intersil Corporation – CMOS Priority Interrupt Controller

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AC Testing Input, Output Waveform

82C59A

INPUT

VIH +0.4V

1.5V

VIL - 0.4V

OUTPUT

VOH

1.5V

VOL

NOTE: AC Testing: All input signals must switch between VIL - 0.4V and VIH + 0.4V. Input rise and fall times are driven at 1ns/V.

Timing Waveforms

(6)

TWLWH

ADDRESS BUS

DATA BUS

(4)

TAHWL

(5)

TWHAX

(7)

TDVWH

(8)

TWHDX

RD/INTA

ADDRESS BUS

DATA BUS

FIGURE 12. WRITE

(3)

TRLRH

(18)

TRLEL

(19)

TRHEH

(1)

TAHRL

(2)

TRHAX

(14)

TRLDV

(20)

TAHDV

(15)

TRHDZ

INTA

FIGURE 13. READ/INTA

(11)

TRHRL

(12)

TWHWL

(13)

TCHCL

FIGURE 14. OTHER TIMING

FN2784.5

March 17, 2006

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