MC68LC040RC25A Datasheet, PDF (333/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual

Freescale Semiconductor, Inc.
11.7 INPUT AC TIMING SPECIFICATIONS (see Figures 11-3 to 11-7)
Num
Characteristic
15 Data-In Valid to BCLK (Setup)
16 BCLK to Data-In Invalid (Hold)
17 ^{BCLK to Data-In High Impedance}
(Read Followed by Write)
22a TA Valid to BCLK (Setup)
22b TEA Valid to BCLK (Setup)
22c TCI Valid to BCLK (Setup)
22d TBI Valid to BCLK (Setup)
23 BCLK to TA, TEA, TCI , TBI Invalid (Hold)
24 AVEC Valid to BCLK (Setup)
25 BCLK to AVEC Invalid (Hold)
31 DLE Width High
32 Data-In Valid to DLE (Setup)
33 DLE to Data-In Invalid (Hold)
34 BCLK to DLE Hold
35 DLE High to BCLK
36 Data-In Valid to BCLK (DLE Mode Setup)
37 BCLK to Data-In Invalid (DLE Mode Hold)
41a BB Valid to BCLK (Setup)
41b BG Valid to BCLK (Setup)
41c CDIS , MDIS Valid to BCLK (Setup)
41d IPL≈ Valid to BCLK (Setup)
42 BCLK to BB, BG, CDIS, IPL≈, MDIS Invalid (Hold)
44a Address Valid to BCLK (Setup)
44b SIZx Valid to BCLK (Setup)
44c TTx Valid to BCLK (Setup)
44d R/ W Valid to BCLK (Setup)
44e SCx Valid to BCLK (Setup)
45 BCLK to Address,SIZx, TTx, R/W, SCx Invalid (Hold)
46 TS Valid to BCLK (Setup)
47 BCLK to TS Invalid (Hold)
49 ^{BCLK to BB High Impedance}
(MC68040 Assumes Bus Mastership)
51 RSTI Valid to BCLK
52 BCLK to RSTI Invalid
53 Mode Select Setup to RSTI Negated
54 RSTI Negated to Mode Selects Invalid
25 MHz
Min Max
5
—
4
—
— 49
33 MHz
Min Max
4
—
4
—
— 36.5
40 MHz
Min. Max. Unit
3
— ns
3
— ns
— 30.25 ns
10 — 10 —
8
— ns
10
—
10
—
9
— ns
10
—
10
—
9
— ns
11 — 10 —
9
— ns
2
—
2
—
2
— ns
5
—
5
—
5
— ns
2
—
2
—
2
— ns
8
—
8
—
8
— ns
2
—
2
—
2
— ns
8
—
8
—
8
— ns
3
—
3
—
3
— ns
16
—
12
—
12
—
ns
5
—
5
—
5
— ns
4
—
4
—
4
— ns
7
—
7
—
7
— ns
8
—
7
—
7
— ns
10 —
8
—
8
— ns
4
—
3
—
3
— ns
2
—
2
—
2
— ns
8
—
7
—
7
— ns
12 —
8
—
8
— ns
6
— 8.5 — 8.5 — ns
6
—
5
—
5
— ns
10 — 11 —
8
— ns
2
—
2
—
2
— ns
5
—
9
—
7
— ns
2
—
2
—
2
— ns
—
9
—
9
—
9
ns
5
—
4
—
4
— ns
2
—
2
—
2
— ns
20 — 20 — 20 — ns
2
—
2
—
2
— ns
MOTOROLA
M68040 USER’S MANUAL
11-5
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