Z16C30_08 Datasheet, PDF (19/102 Pages) Zilog, Inc. – CMOS USC Universal Serial Controller

Z16C30
Product Specification
15
Table 5. Z16C30 AC Characteristics (Continued)
No Symbol
Parameter
Min
59
ThCS(WR)
CS to WR Fall Hold Time 25
60
TsADD(WR)
Direct Address to WR Fall 5
Setup Time
61
ThADD(WR)
Direct Address to WR Fall 25
Hold Time
62
TsSIA(WR)
SITACK to WR Fall Setup 5
Time
63
ThSIA(WR)
SITACK to WR Fall Hold
25
Time
64
TwRAKl
RxACK Low Width
60
65
TwRAKh
RxACK High Width
50
66
TdRAK(DRa)
RxACK Fall to Data Active 0
Delay
67
TdRAK(DRv)
RxACK Fall to Data Valid
Delay
68
TdRAK(DRn)
RxACK Rise to Data Not
0
Valid Delay
69
TdRAK(DRz)
RxACK Rise to Data Float
Delay
70
TdRAKf(RRQ)
RxACK Fall to RxREQ
Inactive Delay
71
TdRAKr(RRQ)
RxACK Rise to RxREQ
0
Active Delay
72
TwTAKl
TxACK Low Width
60
73
TwTAKh
TxACK High Width
50
74
TsDW(TAK)
Write Data to TxACK Rise 30
Setup Time
75
ThDW(TAK)
Write Data to TxACK Rise 0
Hold Time
76
TdTAKf(TRQ)
TxACK Fall to TxREQ
Inactive Delay
77
TdTAKr(TRQ)
TxACK Rise to TxREQ Active 0
Delay
78
TdDSf(RDY)
DS Fall (INTACK) to RDY Fall
Delay
79
TdRDY(DRv)
RDY Fall to Data Valid Delay
80
TdDSr(RDY)
DS Rise to RDY Rise Delay
Max
Units
Note
ns
2
ns
1,2
ns
1,2
ns
2
ns
2
ns
ns
ns
60
ns
ns
20
ns
60
ns
4
ns
ns
ns
ns
ns
65
ns
5
ns
200
ns
40
ns
40
ns
DS007902-0708
PRELIMINARY
Electrical Characteristics