Zilog Z80180 Bedienungsanleitung PDF herunterladen (Seite 211)

Z8018x

Family MPU User Manual

196

UM005003-0703

54 t

Enable Fall Time — 10 — 10 ns

55 t

TOD

PHI Fall to Timer Output Delay — 75 — 50 ns

56 t

STDI

CSI/O Transmit Data Delay Time

(Internal Clock Operation)

—2 —2 tcyc

57 t

STDE

CSI/O Transmit Data Delay Time

(External Clock Operation)

—7.5t

+75

—75t

CYC

+60

58 t

SRSI

CSI/O Receive Data Set-up Time

(Internal Clock Operation)

1—1—tcyc

59 t

SRHI

CSI/O Receive Data Hold Time

(Internal Clock Operation)

1—1—tcyc

60 t

SRSE

CSI/O Receive Data Set-up Time

(External Clock Operation)

1—1—tcyc

61 t

SRHE

CSI/O Receive Data Hold Time

(External Clock Operation)

1—1—tcyc

62 t

RES

RESET Set-up Time to PHI Fall 40 — 25 — ns

63 t

REH

RESET Hold Time from PHI Fall 25 — 15 — ns

64 t

OSC

Oscillator Stabilization Time — 20 — 20 ns

65 t

EXR

External Clock Rise Time (EXTAL) — 5 — 5 ns

66 t

EXF

External Clock Fall Time (EXTAL) — 5 — 5 ns

67 t

RESET Rise Time — 50 — 50 ms

68 t

RESET Fall Time — 50 — 50 ms

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 ... 206 207 208 209 210 211 212 213 214 215 216 ... 325 326

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