MC68010RC8 查看數據表（PDF） - Motorola => Freescale
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MC68010RC8 Datasheet PDF : 26 Pages
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7.0 MC68SEC000 AC ELECTRICAL SPECIFICATIONS — READ AND
WRITE CYCLES
Add the following table and Figures 9 and 10 to Section 10.16.
Applies to 3.3V and 5V.
(GND = 0 V; TA = TL to TH; see Figures 3 and 4)
NUM
CHARACTERISTIC
6 Clock Low to Address Valid
6A Clock High to FC Valid
7 Clock High to Address, Data Bus High Impedance (Maximum)
(Write)
8 Clock High to Address, FC Invalid (Minimum)
91 Clock High to AS, LDS, UDS Asserted
112
Address Valid to AS, LDS, UDS Asserted (Read)/ AS Asserted
(Write)
11A2 FC Valid to AS, LDS, UDS Asserted (Read)/ AS Asserted (Write)
121 Clock Low to AS, LDS, UDS Negated
132 AS, LDS, UDS Negated to Address, FC Invalid
142 AS (and LDS, UDS Read) Width Asserted
14A2 LDS, UDS Width Asserted (Write)
152 AS, LDS, UDS Width Negated
16 Clock High to Control Bus High Impedance
172 AS, LDS, UDS Negated to R/W Invalid
181 Clock High to R/W High (Read)
201 Clock High to R/W Low (Write)
20A2,6 AS Asserted to R/W Low (Write)
212 Address Valid to R/W Low (Write)
21A2 FC Valid to R/W Low (Write)
222 R/W Low to DS Asserted (Write)
23 Clock Low to Data-Out Valid (Write)
252 AS, LDS, UDS Negated to Data-Out Invalid (Write)
262 Data-Out Valid to LDS, UDS Asserted (Write)
275 Data-In Valid to Clock Low (Setup Time on Read)
282 AS, LDS, UDS Negated to DTACK Negated (Asynchronous Hold)
28A Clock High to DTACK Negated
10MHz
MIN MAX
— 35
0
35
— 55
0
—
3
35
20 —
45 —
3
35
15 —
195 —
95 —
105 —
— 55
15 —
0
35
0
35
— 10
0
—
50 —
50 —
— 35
30 —
30 —
5
—
0 110
0 110
16MHz
MIN MAX
— 30
0
30
— 50
0
—
3
30
15 —
45 —
3
30
15 —
120 —
60 —
60 —
— 50
15 —
0
30
0
30
— 10
0
—
30 —
30 —
— 30
15 —
15 —
5
—
0 110
0 110
20MHz
UNIT
MIN MAX
— 25 ns
0
25 ns
— 42 ns
0
— ns
3
25 ns
10 — ns
40 — ns
3
25 ns
10 — ns
100 — ns
50 — ns
50 — ns
— 42 ns
10 — ns
0
25 ns
0
25 ns
— 10 ns
0
— ns
25 — ns
25 — ns
— 25 ns
10 — ns
10 — ns
5
— ns
0
95 ns
0
95 ns
12
M68000 USER’S MANUAL ADDENDUM
MOTOROLA
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