5962-85016023A 데이터 시트보기 (PDF) - Intersil

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5962-85016023A

CMOS Priority Interrupt Controller

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Timing Waveforms (Continued)

82C59A

(16)

TJHIH

IR

(9)

TJLJH

INT

INTA

SEE NOTE 1

SEE NOTE 3 SEE NOTE 4

DB

CAS 0 - 2

SEE

NOTE 2

(10)

TCVIAL

(17)

(21)

TIALCV TCVDV

(10)

TCVIAL

NOTES:

1. Interrupt Request (IR) must remain HIGH until leading edge of first INTA.

2. During first INTA the Data Bus is not active in 80C86/88/286 mode.

3. 80C86/88/286 mode.

4. 8080/8085 mode.

FIGURE 15. INTA SEQUENCE

Burn-In Circuits

MD82C59A CERDIP

GND

WR

RD

D7

D6

D5

D4

D3

D2

D1

D0

CAS 0

CAS 1

GND

R1 1

R1 2

R1 3

R1 4

R1 5

R1 6

R1 7

R1 8

R1 9

R1 10

R1 11

R3 12

R3 13

14

28

27 R1

26 R1

25 R2

24 R2

23 R2

22 R2

21 R2

20 R2

19 R2

18 R2

17

16 R3

15 R3

VCC

A0

C1

INTA

IR7

IR6

VCC

IR5

IR4

R3

IR3

A

IR2

IR1

R3

IR0

A

SP/EN

CAS 2

20

FN2784.5

March 17, 2006

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