z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 94

• Manufacturer Part Number: z85230
• Description: Enhanced Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

Table 46
Table 46. Z85230 AC Characteristics
PS005303-0907
No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Symbol
TwPCl
TxPCh
TfPC
TrPC
TcPc
TsA
ThA(WR)
TsA(RD)
ThA(RD)
TsIA(PC)
TsIAi(WR)
ThIA(WR)
TsIAi(RD)
ThIA(RD)
ThIA(PC)
TsCEI(WR)
ThCE(WR)
describes the Z85230 Read and Write AC characteristics details.
Parameter
PCLK Low Width
PCLK High Width
PCLK Fall Time
PCLK Rise Time
PCLK Cycle Time
Address to WR fall
Setup Time
Address to WR
Rise Hold Time
Address to RD Fall
Setup Time
Address to RD
Rise Hold Time
INTACK to PCLK
Rise Setup Time
INTACK to WR
Fall Setup Time
INTACK to WR
Rise Hold Time
INTACK to RD Fall
Setup Time
INTACK to RD
Rise Hold Time
INTACK to PCLK
Rise Hold Time
CE Low to WR Fall
Setup Time
CE to WR Rise
Hold Time
Min
45
45
118
66
0
66
0
20
140
0
140
0
38
0
0
8.5 MHz
Max
1000 40
10
10
1000 40
2000 100
50
0
50
0
20
130
0
130
0
30
0
0
Min
10 MHz
Max
1000 26
1000 26
10
10
2000 61
35
0
35
0
15
70
0
70
0
15
0
0
Min
16 MHz
Max
1000 22
1000 22
5
5
2000 50
Product Specification
Electrical Characteristics
Min
30
0
30
0
15
65
0
65
0
15
0
0
20 MHz
Z85230/Z80230
Max
1000 6
1000 6
5
5
2000 6
Notes
6
6
6
6
6
6
6
1, 6
6
1, 6
6
6
6
6
89