DSP96002 Datasheet, PDF (33/111 Pages) Motorola, Inc – 32-BIT GENERAL PURPOSE FLOATING-POINT DUAL-PORT PROCESSOR

Freescale Semiconductor, Inc.
Specifications
AC Electrical Characteristics
Table 2-6 External Bus Relative Timing (Continued)
No.¹
Characteristic²
33.3 MHz³ 40 MHz⁴ 60 MHz⁴
Unit
Min Max Min Max Min Max
19a
WR Deasserted to D0–D31 Three-state
(Write Cycle)
—
16¹⁹
— 13.5¹⁹ —
11¹⁹
ns
20
TS Deasserted to D0–D31 Active
(Write Cycle)
35²⁰ — 31.5²¹ — 26.5²¹ —
ns
21
TS Asserted to D0–D31 Valid (Read
Cycle)
— 21²² — 17.5²³ — 14²³ ns
22
TS Deasserted to D0–D31 Invalid
(Hold) (Read Cycle)
0
—
0
—
0
— ns
23
A0–A31, S0–S1, R/W Valid to D0–D31
Valid (Read Cycle)²⁴
—
32²⁵
— 26.5²⁶ —
21²⁶
ns
Note:
1. The numbers in this column are shown as circled numbers in the following figures.
2. DC Electrical Characteristics:
at 33.3 MHz:
V_CC = 5.0 V ± 10%, GND= 0 V DC, T_J = –40°C to 100°C
at 40 or 60 MHz: V_CC = 5.0 V ± 5%, GND = 0 V DC, T_J = –40°C to 100°C
3. Assuming duty cycle in the range 46.7%–53.3% and no wait states
4. Assuming duty cycle in the range 46%–54% and no wait states
5. T_h–4
6. T_h
7. (WS + 1)T_c + T_h–2
8. (WS + 1)T_c + T_h – 3
9. (WS + 1)T_c
10. T_l – 8
11. T_l – 5
12. T_c – 9
13. T_c – 7
14. T_l + 4
15. (WS)T_c + T_h – 2
16. (WS)T_c + T_h – 3
17. T_l – 4
18. T_l – 1.5
19. T_l
20. T_c + T_l – 9
21. T_c + T_l – 5
22. (WS + 1)T_c – 9
23. (WS + 1)T_c – 7.5
24. Using T_h minimum
25. (WS + 1)T_c + T_h – 12
26. (WS + 1)T_c + T_h – 10
27. T_c – 3
28. T_h – 2
29. T_h – 1.5
MOTOROLA
DSP96002/D, Rev. 2
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