z85c30 ZiLOG Semiconductor, z85c30 Datasheet - Page 52

• Manufacturer Part Number: z85c30
• Description: Cmos Scc Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

PS011705-0608
Table 6. Z85C30 Read/Write Timing (continued)
No Symbol
19 TsCEI(RD)
20 ThCE(RD)
21 TsCEh(RD)
22 TwRDI
23 TdRD(DRA)
24 TdRDr(DR)
25 TdRDI(DR)
26 TdRD(DRz)
27 TdA(DR)
28 TwWRI
29 TdWR(DW)
30 ThDW(WR)
31 TdWR(W)
32 TdRD(W)
33 TdWRf(REQ)
34 TdRDf(REQ)
35a TdWRr(REQ)
35b TdWRr(REQ)
1
2
b
1
1
1
c
3
Parameter
CE Low to RD Fall
Setup Time
CE to RD Rise Hold
Time
CE High to RD Fall
Setup Time
RD Low Width
RD Fall to Read Data
Active Delay
Valid Delay
RD Fall to Read Data
Valid Delay
RD Rise to Read Data
Float Delay
Addr to Read Data
Valid Delay
WR Low Width
WR Fall to Write Data
Valid Delay
Write Data to WR Rise
Hold Time
WR Fall to Wait Valid
Delay
RD Fall to Wait Valid
Delay
WR Fall to W/REQ Not
Valid Delay
RD Fall to W/REQ Not
Valid Delay
WR Fall to DTR/REQ
Not Valid
WR Fall to DTR/REQ
Not Valid
RD Rise to Data Not
8.5 MHz
Min
0
0
58
145
0
0
145
0
CMOS SCC Serial Communications Controller
Max
135
38
210
35
168
168
168
168
4TcPc
168
10 MHz
Min
0
0
50
125
0
0
125
0
Product Specification
Max
30
120
35
160
35
100
100
120
120
4TcPc
100
Electrical Characteristics
16 MHz
Min
0
0
70
0
0
75
0
Max
70
30
100
20
50
50
70
70
4TcPc
70
48