Actual Playing Times:
The following tables show in seconds the capacities of several different
types of Eproms at several different fixed bandwidths. All values shown are
in seconds.
- 2 KHz Bandwidth (4,687 Hz UPDATE RATE) -
Eprom type:
27C512 27C010 27C020 27C040 27C080
Size:
64K x 8
128K x 8 256K x 8 512K x 8
1 M x 8
Number of bytes per Eprom:
65,536
131,072
262,144
524,288 1,048,576
1
Eprom (1 DR-50 MiniRepeater)
13.98
27.96
55.92
111.85
223.70
2
Eproms
27.96
55.92
111.85
223.70
447.39
3
Eproms
41.94
83.89
167.77
335.54
671.09
4
Eproms
55.92
111.85
223.70
447.39
894.78
5
Eproms
69.91
139.81
279.62
559.24
1,118.48
6
Eproms
83.89
167.77
335.54
671.09
1,342.18
7
Eproms
97.87
195.73
391.47
782.94
1,565.87
8
Eproms
111.85
223.70
447.39
894.78
1,789.57
9
Eproms
125.83
251.66
503.32
1,006.63
2,013.27
10
Eproms
139.81
279.62
559.24
1,118.48
2,236.96
11
Eproms
153.79
307.58
615.16
1,230.33
2,460.66
12
Eproms
167.77
335.54
671.09
1,342.18
2,684.35
13
Eproms
181.75
363.51
727.01
1,454.03
2,908.05
14
Eproms
195.73
391.47
782.94
1,565.87
3,131.75
15
Eproms
209.72
419.43
838.86
1,677.72
3,355.44
16
Eproms
223.70
447.39
894.78
1,789.57
3,579.14
Each Expansion:
32
Eproms
447.39
894.78
1,789.57
3,579.14
7,158.28
Re 1 Expansion:
48
Eproms
671.09
1,342.18
2,684.35
5,368.71
10,737.42
Re 2 Expansions:
80
Eproms
1,118.48
2,236.96
4,473.92
8,947.85
17,895.70
Re 3 Expansions: 112
Eproms
1,565.87
3,131.75
6,263.49
12,526.99
25,053.98
Re 4 Expansions: 144
Eproms
2,013.27
4,026.53
8,053.06
16,106.13
32,212.25
Re 5 Expansions: 176
Eproms
2,460.66
4,921.32
9,842.63
19,685.27
39,370.53
Re 6 Expansions: 208
Eproms
2,908.05
5,816.10
11,632.20
23,264.41
46,528.81
Re 7 Expansions: 240
Eproms
3,355.44
6,710.89
13,421.77
26,843.55
53,687.09
- 3 KHz Bandwidth (7,031 Hz UPDATE RATE) -
Eprom type:
27C512
27C010
27C020
27C040
27C080
Size:
64K x 8
128K x 8 256K x 8 512K x 8
1 M x 8
Number of bytes per Eprom:
65,536
131,072
262,144
524,288 1,048,576
1
Eprom (1 DR-50 MiniRepeater)
9.32
18.64
37.28
74.57
149.13
2
Eproms
18.64
37.28
74.57
149.13
298.26
3
Eproms
27.96
55.92
111.85
223.70
447.39
4
Eproms
37.28
74.57
149.13
298.26
596.52
5
Eproms
46.60
93.21
186.41
372.83
745.65
6
Eproms
55.92
111.85
223.70
447.39
894.78
7
Eproms
65.24
130.49
260.98
521.96
1,043.92
8
Eproms
74.57
149.13
298.26
596.52
1,193.05
9
Eproms
83.89
167.77
335.54
671.09
1,342.18
10
Eproms
93.21
186.41
372.83
745.65
1,491.31
11
Eproms
102.53
205.05
410.11
820.22
1,640.44
12
Eproms
111.85
223.70
447.39
894.78
1,789.57
13
Eproms
121.17
242.34
484.68
969.35
1,938.70
14
Eproms
130.49
260.98
521.96
1,043.92
2,087.83
15
Eproms
139.81
279.62
559.24
1,118.48
2,236.96
16
Eproms
149.13
298.26
596.52
1,193.05
2,386.09
Each Expansion:
32
Eproms
298.26
596.52
1,193.05
2,386.09
4,772.1
Re 1 Expansion:
48
Eproms
447.39
894.78
1,789.57
3,579.14
7,158.28
Re 2 Expansions:
80
Eproms
745.65
1,491.31
2,982.62
5,965.23
11,930.46
Re 3 Expansions: 112
Eproms
1,043.92
2,087.83
4,175.66
8,351.33
16,702.65
Re 4 Expansions: 144
Eproms
1,342.18
2,684.35
5,368.71
10,737.42
21,474.84
Re 5 Expansions: 176
Eproms
1,640.44
3,280.88
6,561.76
13,123.51
26,247.02
Re 6 Expansions: 208
Eproms
1,938.70
3,877.40
7,754.80
15,509.60
31,019.21
Re 7 Expansions: 240
Eproms
2,236.96
4,473.92
8,947.85
17,895.70
35,791.39
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