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AM85C30 Datasheet(PDF) 66 Page - Advanced Micro Devices

Part # AM85C30
Description  Enhanced Serial Communications Controller
PDF  68 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM85C30 Datasheet(HTML) 66 Page - Advanced Micro Devices

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A M E N D M E N T
AMD
13
Am85C30
SWITCHING CHARACTERISTICS over MILITARY/INDUSTRIAL operating range
(continued)
Read and Write Timing (see Figure 21)
1
TwPCI
PCLK Low Width
50
1000
40
1000
26
1000
22
1000
ns
2
TwPCh
PCLK High Width
50
1000
40
1000
26
1000
22
1000
ns
3
TfPC
PCLK Fall Time
15
12
8
5
ns
4
TrPC
PCLK Rise Time
15
12
8
5
ns
5
TcPC
PCLK Cycle Time
122
2000
100
2000
61
2000
50
2000
ns
6
TsA(WR)
Address to
WR
↓ Setup Time
70
50
35
30
ns
7
ThA(WR)
Address to
WR
↑ Hold Time
0000
ns
8
TsA(RD)
Address to
RD
↓ Setup Time
70
50
35
30
ns
9
ThA(RD)
Address to
RD
↑ Hold Time
0000
ns
10
TsIA(PC)
I
NTACK to PCLK
↑ Setup Time
20
20
15
15
ns
11
TsIA(WR)
INTACK to WR
↓ Setup Time
145
120
70
65
ns
(Note 1)
12
ThIA(WR)
INTACK to WR
↑ Hold Time
0000
ns
13
TsIA(RD)
INTACK to RD
↓ Setup Time
145
120
70
65
ns
(Note 1)
14
ThIAi(RD)
INTACK to RD
↑ Hold Time
0000
ns
15
ThIA(PC)
INTACK to PCLK
↑ Hold Time
40
30
15
15
ns
16
TsCEI(WR)
CE Low to WR
↓ Setup Time
0000
ns
17
ThCE(WR)
CE to WR
↑ Hold Time
0000
ns
18
TsCEh(WR)
CE High to WR
↓ Setup Time
60
50
30
25
ns
19
TsCEI(RD)
CE Low to RD
↓ Setup Time
0000
ns
(Note 1)
20
ThCE(RD)
CE to RD
↑ Hold Time (Note1)
0000
ns
21
TsCEh(RD)
CE High to RD
↓ Setup Time
60
50
30
25
ns
(Note 1)
22
TwRDI
RD Low Width (Note 1)
150
125
75
65
ns
23
TdRD(DRA)
RD
↓ to Read Data Active Delay
0000
ns
24
TdRDr(DR)
RD
↑ to Read Data Not Valid Delay
0000
ns
25
TdRDf(DR)
RD
↓ to Read Data Valid Delay
140
125
70
65
ns
26
TdRD(DRz)
RD
↑ to Read Data Float Delay
40
35
20
20
ns
(Note 2)
Notes:
1. Parameter does not apply to Interrupt Acknowledge transactions.
2. Float delay is defined as the time at which the data bus is released from its drive state with a maximum DC load and
minimum AC load.
No.
Parameter
Symbol
Parameter
Description
10 MHz
20 MHz
Min
Max
Min
Max Unit
8.192 MHz
Min
Max
Min
Max
16.384 MHz Industrial Only



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