MC68LC040RC25A Datasheet, PDF (371/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual

Freescale Semiconductor, Inc.
MC68LC040 REV2.3 (01/29/2000)
A.6.8 Input AC Timing Specifications (See Figures A-5 to A-9)
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)
41a BB Valid to BCLK (Setup)
41b BG Valid to BCLK (Setup)
41c CDIS, MDIS Valid to BCLK
(Setup)
41d IPLÅ Valid to BCLK (Setup)
42 BCLK to BB, BG, CDIS, MDIS,
IPLÅ 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
(MC68LC040 Assumes Bus
Mastership)
51 RSTI Valid to BCLK
52 BCLK to RSTI Invalid
20 MHz
Min Max
6
—
5
—
—
61
12.5 —
12.5 —
12.5 —
14
—
2.5
—
6
—
2.5
—
8
—
10
—
12.5 —
5
—
2.5
—
10
—
15
—
7.5
—
7.7
—
12.5 —
2.5
—
6
—
2.5
—
—
11
6
—
2.5
—
25 MHz
Min Max
5
—
4
—
—
49
10
—
10
—
10
—
11
—
2
—
5
—
2
—
7
—
8
—
10
—
4
—
2
—
8
—
12
—
6
—
6
—
10
—
2
—
5
—
2
—
—
9
5
—
2
—
33 MHz
Min Max
4
—
4
—
— 36.5
10
—
10
—
10
—
10
—
2
—
5
—
2
—
7
—
7
—
8
—
3
—
2
—
7
—
8
—
8.5
—
5
—
11
—
2
—
9
—
2
—
—
9
4
—
2
—
40 MHz
Min Max ^Unit
3
—
nS
3
—
nS
— 30.25 nS
8
—
nS
9
—
nS
9
—
nS
9
—
nS
2
—
nS
5
—
nS
2
—
nS
7
—
nS
7
—
nS
8
—
nS
3
—
nS
2
—
nS
7
—
nS
8
—
nS
8.5
—
nS
5
—
nS
8
—
nS
2
—
nS
7
—
nS
2
—
nS
—
9
nS
4
—
nS
2
—
nS
MOTOROLA
M68040 USER’S MANUAL
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Go to: www.freescale.com
A-11