Motorola M68000 User Manual page 151

Num Characteristic
2
26 Data-Out Valid to DS Asserted
(Write)
5
27 Data-In Valid to Clock Low
(Setup Time on Read)
5
27A Late BERR Asserted to Clock
Low (setup Time)
2
28 AS, DS Negated to DTACK
Negated (Asynchronous Hold)
28A AS, DS Negated to Data-In
High Impedance
29 AS, DS Negated to Data-In
Invalid (Hold Time on Read)
29A AS, DS Negated to Data-In
High Impedance
30 AS, DS) Negated to BERR
Negated
2,5
31 DTACK Asserted to Data-In
Valid (Setup Time)
32 HALT) and RESET Input
Transition Time
33 Clock High to BG Asserted
34 Clock High to BG Negated
35 BR Asserted to BG Asserted
7
36 BR Negated toBG Negated
37 BGACK Asserted to BG
Negated
8
37A BGACK Asserted to BR
Negated
38 BG Asserted to Control,
Address, Data Bus High
Impedance (AS Negated)
39 BG Width Negated
40 Clock Low to VMA Asserted
41 Clock Low to E Transition
42 E Output Rise and Fall Time
43 VMA Asserted to E High
44 AS, DS Negated to VPA
Negated
45 E Low to Control, Address
Bus Invalid (Address Hold
Time)
46 BGACK Width Low
MOTOROLA M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
Freescale Semiconductor, Inc.
8 MHz* 10 MHz*
Min Max Min
40 — 30
10 — 10
45 — 45
1
0 240 0
1
— 187 —
0 — 0
— 187 —
0 — 0
— 90 —
0 200 0
— 62 —
— 62 —
1.5 3.5 1.5
1.5 3.5 1.5
1.5 3.5 1.5
20 1.5 20
Clks
— 80 —
1.5 — 1.5
— 70 —
12
— 55 —
— 15 —
200 — 150
0 120 0
30 — 10
1.5 — 1.5
For More Information On This Product,
Go to: www.freescale.com
16.67 MHz
12.5 MHz*
12F
Max Min Max Min Max
— 20 — 15 —
— 10 — 7 —
— 45 — — —
190 0 150 0 110
150 — 120 — 110
— 0 — 0 —
150 — 120 — 90
— 0 — 0 —
65 — 50 — 40
200 0 200 0 150
50 — 40 — 40
50 — 40 — 40
3.5 1.5 3.5 1.5 3.5
3.5 1.5 3.5 1.5 3.5
3.5 1.5 3.5 1.5 3.5
1.5 20 1.5 10 1.5
Clks Clks Clks
70 — 60 — 50
— 1.5 — 1.5 —
70 — 70 — 50
45 — 35 — 35
15 — 15 — 15
— 90 — 80 —
90 0 70 0 50
— 10 — 10 —
— 1.5 — 1.5 —
••
16 MHz 20 MHz Unit
Min Max Min Max
15 — 10 — ns
5 — 5 — ns
— — — — ns
0 110 0 95 ns
— 110 — 95 ns
0 — 0 — ns
— 90 — 75 ns
0 — 0 — ns
— 50 — 42 ns
— 150 0 150 ns
0 30 0 25 ns
0 30 0 25 ns
1.5 3.5 1.5 3.5 Clks
1.5 3.5 1.5 3.5 Clks
1.5 3.5 1.5 3.5 Clks
10 1.5 10 1.5 ns
Clks Clks
— 50 — 42 ns
1.5 — 1.5 — clks
— 50 — 40 ns
— 35 — 30 ns
— 15 — 12 ns
80 — 60 — ns
0 50 0 42 ns
10 — 10 — ns
1.5 — 1.5 — ns
10-11