82801BA Datasheet, PDF (451/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Electrical Characteristics
Table 16-10. Ultra ATA Timing (Mode 0, Mode 1, Mode 2)
Sym
Parameter ⁽¹⁾
t80 Sustained Cycle Time (T2cyctyp)
t81 Cycle Time (Tcyc)
t82 Two Cycle Time (T2cyc)
t83 Data Setup Time (Tds)
t84 Data Hold Time (Tdh)
t85 Data Valid Setup Time (Tdvs)
t86 Data Valid Hold Time (Tdvh)
t87 Limited Interlock Time (Tli)
t88 Interlock Time w/ Minimum (Tmli)
t89 Envelope Time (Tenv)
t90 Ready to Pause Time (Trp)
Mode 0 (ns)
Min Max
240
112
230
15
5
70
6
0 150
20
20 70
160
t91 DMACK setup/hold Time (Tack)
20
Mode 1 (ns)
Min Max
160
73
154
10
5
48
6
0
150
20
20
70
125
20
Mode 2 (ns)
Min Max
Figure
120
54
115
7
5
30
6
0
150
20
20
70
100
20
16-11
16-11
16-11
16-11
16-11
16-11
16-13
16-13
16-10
16-12
16-10,
16-13
NOTE:
1. The specification symbols in parentheses correspond to the Ultra ATA specification name.
Table 16-11. Ultra ATA Timing (Mode 3, Mode 4, Mode 5)
Sym
t80
t81
t82
t83
t84
t85
t86
t87
t88
t89
t90
Parameter ⁽¹⁾
Sustained Cycle Time (T2cyctyp)
Cycle Time (Tcyc) ⁽²⁾
Two Cycle Time (T2cyc)
Data Setup Time (Tds)
Data Hold Time (Tdh)
Data Valid Setup Time (Tdvs)
Data Valid Hold Time (Tdvh)
Limited Interlock Time (Tli)
Interlock Time w/ Minimum (Tmli)
Envelope Time (Tenv)
Ready to Pause Time (Trp)
Mode 3 (ns)
Min Max
90
39
86
7
5
20
6
0
100
20
20
55
100
t91
DMACK setup/hold Time (Tack)
20
Mode 4 (ns)
Min Max
60
25
57
5
5
6
6
0
100
20
20
55
100
20
Mode 5 (ns)
Min Max
Figure
40
16.8
38
4.0
4.6
3.3
3.3
0
75
20
20
50
85
20
16-11
16-11
16-11
16-11
16-11
16-11
16-13
16-13
16-10
16-12
16-10,
16-13
82801BA ICH2 and 82801BAM ICH2-M Datasheet
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