Actual playing times, 2 khz bandwidth, 4,687 hz update rate) – Gilderfluke&Co old MACs 8 bit Digital Audio System User Manual
Page 25
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:
27C512
27C010
27C020
27C040
27C080
SIZE:
64K x 8
128K x 8
256K x 8
512K x 8
1M 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
Repeater + 1 Expansion:
48
EPROMs
671.09
1,342.18
2,684.35
5,368.71
10,737.42
Repeater + 2 Expansions:
80
EPROMs
1,118.48
2,236.96
4,473.92
8,947.85
17,895.70
Repeater + 3 Expansions: 112
EPROMs
1,565.87
3,131.75
6,263.49
12,526.99
25,053.98
Repeater + 4 Expansions: 144
EPROMs
2,013.27
4,026.53
8,053.06
16,106.13
32,212.25
Repeater + 5 Expansions: 176
EPROMs
2,460.66
4,921.32
9,842.63
19,685.27
39,370.53
Repeater + 6 Expansions: 208
EPROMs
2,908.05
5,816.10
11,632.20
23,264.41
46,528.81
Repeater + 7 Expansions: 240
EPROMs
3,355.44
6,710.89
13,421.77
26,843.55
53,687.09
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