Zilog Z80180 Bedienungsanleitung PDF herunterladen (Seite 210)

Z8018x

Family MPU User Manual

UM005003-0703

195

31 t

INTS

INT Set-up Time to PHI Fall 20 — 15 — ns

32 t

INTH

INT Hold Time from PHI Fall 10 — 10 — ns

33 t

NMIW

NMI Pulse Width 35 — 25 — ns

34 t

BRS

BUSREQ Set-up Time to PHI Fall 10 — 10 — ns

35 t

BRH

BUSREQ Hold Time from PHI Fall 10 — 10 ns

36 t

BAD1

PHI Rise to BUSACK Fall Delay — 25 — 15 ns

37 t

BAD2

PHI Fall to BUSACK Rise Delay — 25 — 15 ns

38 t

BZD

PHI Rise to Bus Floating Delay Time — 40 — 30 ns

39 t

MEWH

MREQ Pulse Width (High) 35 — 25 — ns

40 t

MEWL

MREQ Pulse Width (Low) 35 — 25 — ns

41 t

RFD1

PHI Rise to RFSH Fall Delay — 20 — 15 ns

42 t

RFD2

PHI Rise to RFSH Rise Delay — 20 — 15 ns

43 t

HAD1

PHI Rise to HALT Fall Delay — 15 — 15 ns

44 t

HAD2

PHI Rise to HALT Rise Delay — 15 — 15 ns

45 t

DRQS

DREQ1 Set-up Time to PHI Rise 20 — 15 — ns

46 t

DRQH

DREQ1 Hold Time from PHI Rise 20 — 15 — ns

47 t

TED1

PHI Fall to TENDi Fall Delay — 25 — 15 ns

48 t

TED2

PHI Fall to TENDi Rise Delay — 25 — 15 ns

49 t

ED1

PHI Rise to E Rise Delay — 30 — 15 ns

50 t

ED2

PHI Fall or Rise to E Fall Delay — 30 — 15 ns

51 P

WEH

E Pulse Width (High) 25 — 20 — ns

52 P

WEL

E Pulse Width (Low) 50 — 40 — ns

53 t

Enable Rise Time — 10 — 10 ns

Table 31. Z8S180 AC Characteristics (Continued) V

= 5V ±10% or

= 3.3V ±10%; 33-MHz Characteristics Apply Only to 5V

Operation

No. Symbol Item

Z8S180—20

MHz

Z8S180—33

MHz

UnitMin Max Min Max

1 2 ... 205 206 207 208 209 210 211 212 213 214 215 ... 325 326

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