MC68HC000RC12 Datasheet, PDF (151/189 Pages) Freescale Semiconductor, Inc – 8-/16-/32-Bit Microprocessors User’s Manual

Freescale Semiconductor, Inc.
Num
Characteristic
8 MHz*
16.67 MHz
10 MHz* 12.5 MHz*
12F
16 MHz
20 MHz ^•• Unit
Min Max Min Max Min Max Min Max Min Max Min Max
26² Data-Out Valid to DS Asserted 40 — 30 — 20 — 15 — 15 — 10 — ns
(Write)
27⁵ Data-In Valid to Clock Low
(Setup Time on Read)
10 — 10 — 10 — 7 — 5 — 5 — ns
27A⁵ Late BERR Asserted to Clock 45 — 45 — 45 — — — — — — — ns
Low (setup Time)
28² AS, DS Negated to DTACK
0 240¹ 0 190 0 150 0 110 0 110 0 95 ns
Negated (Asynchronous Hold)
1
28A AS, DS Negated to Data-In
High Impedance
— 187 — 150 — 120 — 110 — 110 — 95 ns
29 AS, DS Negated to Data-In
Invalid (Hold Time on Read)
0 — 0 — 0 — 0 — 0 — 0 — ns
29A AS, DS Negated to Data-In
High Impedance
— 187 — 150 — 120 — 90 — 90 — 75 ns
30
31^2,5
AS, DS) Negated to BERR
Negated
DTACK Asserted to Data-In
Valid (Setup Time)
0 — 0 — 0 — 0 — 0 — 0 — ns
— 90 — 65 — 50 — 40 — 50 — 42 ns
32 HALT) and RESET Input
Transition Time
0 200 0 200 0 200 0 150 — 150 0 150 ns
33 Clock High to BG Asserted
— 62 — 50 — 40 — 40 0 30 0 25 ns
34 Clock High to BG Negated
— 62 — 50 — 40 — 40 0 30 0 25 ns
35 BR Asserted to BG Asserted
36⁷ BR Negated toBG Negated
1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 Clks
1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 Clks
37
37A⁸
BGACK Asserted to BG
Negated
BGACK Asserted to BR
Negated
1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 1.5 3.5 Clks
20 1.5 20 1.5 20 1.5 10 1.5 10 1.5 10 1.5 ns
Clks
Clks
Clks
Clks
Clks
Clks
38 BG Asserted to Control,
Address, Data Bus High
Impedance (AS Negated)
— 80 — 70 — 60 — 50 — 50 — 42 ns
39 BG Width Negated
1.5 — 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — clks
40 Clock Low to VMA Asserted
41 Clock Low to E Transition
— 70 — 70 — 70 — 50 — 50 — 40 ns
— 55¹² — 45 — 35 — 35 — 35 — 30 ns
42 E Output Rise and Fall Time — 15 — 15 — 15 — 15 — 15 — 12 ns
43 VMA Asserted to E High
200 — 150 — 90 — 80 — 80 — 60 — ns
44 AS, DS Negated to VPA
Negated
0 120 0 90 0 70 0 50 0 50 0 42 ns
45 E Low to Control, Address
Bus Invalid (Address Hold
Time)
30 — 10 — 10 — 10 — 10 — 10 — ns
46 BGACK Width Low
1.5 — 1.5 — 1.5 — 1.5 — 1.5 — 1.5 — ns
MOTOROLA
M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
For More Information On This Product,
Go to: www.freescale.com
10-11