Z8018020FEC Просмотр технического описания (PDF) - Zilog

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производитель

Z8018020FEC

ENHANCED Z180 MICROPROCESSOR

Zilog 

Zilog

Z80180/Z8S180/Z8L180

Enhanced Z180 Microprocessor

AC CHARACTERISTICS

(VCC = 5V ±10% or VCC = 3.3V ±10% over specified temperature range, unless otherwise noted, 33

MHZ characteristics apply only to 5V operation.)

1

No.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

26a.

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

Symbol

tcyc

tCHW

tCLW

tcf

tcr

tAD

tAS

tMED1

tRDD1

tM1D1

tAH

tMED2

tRDD2

tM1D2

tDRS

tDRH

tSTD1

tSTD2

tWS

tWH

tWDZ

tWRD1

tWDD

tWDS

tWRD2

tWRP

tWDH

tIOD1

tIOD2

tIOD3

tINTS

tINTS

tNMIW

tBRS

tBRH

tBAD1

tBAD2

Item

Clock Cycle Time

Clock “H” Pulse Width

Clock “L” Pulse Width

Clock Fall Time

Clock Rise Time

ØRise to Address Valid Delay

Address Valid to /MREQ Fall or /IORQ Fall)

Ø Fall to /MREQ Fall Delay

Ø Fall to /RD Fall Delay /IOC = 1

Ø Rise to /RD Rise Delay /IOC = 0

Ø Rise to /M1 Fall Delay

Address Hold Time from

(/MREQ, /IOREQ, /RD, /WR)

Ø Fall to /MREQ Rise Delay

Ø Fall to /RD Rise Delay

Ø Rise to /M1 Rise Delay

Data Read Set-up Time

Data Read Hold Time

Ø Fall to ST Fall Delay

Ø Fall to ST Rise Delay

/WAIT Set-up Time to Ø Fall

/WAIT Hold Time from Ø Fall

Ø Rise to Data Float Delay

Ø Rise to /WR Fall Delay

Ø Fall to Write Data Delay Time

Write Data Set-up Time to /WR Fall

Ø Fall to /WR Rise Delay

/WR Pulse Width

/WR Pulse Width (I/O Write Cycle)

Write Data Hold Time from (/WR Rise)

Ø Fall to /IORQ Fall Delay /IOC = 1

Ø Rise to /IORQ Fall Delay /IOC = 1

Ø Fall to /IORQ Rise Delay

/M1 Fall to /IORQ Fall Delay

/INT Set-up Time to Ø Fall

/INT Hold Time from Ø Fall

/NMI Pulse Width

/BUSREQ Set-up Time to Ø Fall

/BUSREQ Hold Time from Ø Fall

Ø Rise to /BUSACK Fall Delay

Ø Fall to /BUSACK Rise Delay

Z80180-20

Min.

Max.

50

2000

15

–

15

–

–

10

–

10

–

15

20

–

–

15

–

15

–

15

–

15

–

20

–

15

–

15

–

15

15

–

0

–

–

15

–

15

15

–

5

–

–

10

–

15

–

20

10

–

–

15

70

–

120

–

5

–

–

15

–

15

–

15

120

–

15

–

10

–

35

–

10

–

10

–

–

15

–

15

Z80180-33

Min.

Max.

Unit

33

2000

ns

10

–

ns

10

–

ns

–

5

ns

–

5

ns

–

15

ns

5

–

ns

–

15

ns

–

15

ns

–

15

–

15

ns

5

–

ns

–

15

ns

–

15

ns

–

15*

ns

15

–

ns

0

–

ns

–

15

ns

–

15

ns

15

–

ns

5

–

ns

–

10

ns

–

15

ns

–

20

ns

0

–

ns

–

15

ns

40

–

ns

70

–

ns

5

–

–

15

ns

–

15

–

15

ns

70

–

ns

15

–

ns

10

–

ns

25

–

ns

10

–

ns

10

ns

–

15

ns

–

15

ns

DS971800401

PRELIMINARY

1-27

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