Electrical Characteristics
MC68360 USER’S MANUAL
10.9 BUS OPERATION AC TIMING SPECIFICATIONS
(The electrical specifications in this document are preliminary; See Figure 10-3–Figure 10-19)
Num. Characteristic Symbol 3.3 V/5.0 V 5.0V Unit
25.0 MHz 33.34MHz
Min Max Min Max
6 CLKO1 High to Address, FC, SIZ, RMC Valid tCHAV 0 15 0 12 ns
6A CLKO1 High to Address Valid (GAMX=1) tCHAV 0 20 0 15 ns
7 CLKO1 High to Address, Data, FC, SIZ, RMC
High Impedance tCHAZx 0 40 0 30 ns
8 CLKO1 High to Address, FC, SIZ, RMC Invalid tCHAZn 0— 0 —ns
9 CLKO1 Low to AS, DS, OE , WE , IFETCH, IPIPE,
IACK¯ Asserted tCLSA 3 20 3 15 ns
910 CLKO1 Low to CS¯/RAS¯ Asserted tCLSA 4 16 4 12 ns
9B11 CLKO1 High to CS¯/RAS¯ Asserted tCHCA 4 16 4 12 ns
9A2,10 AS to DS or CS¯/RAS¯ or OE Asserted (Read) tSTSA –6 6 -5.625 5.625 ns
9C2,11 AS to CS¯/RAS¯ Asserted tSTCA 14 26 9 21 ns
1110 Address, FC, SIZ, RMC Valid to AS, CS¯/RAS¯,
OE, WE (and DS Read) Asserted tAVSA 10 — 8 — ns
11A11 Address, FC, SIZ, RMC Valid to CS¯/RAS¯ As-
serted tAVCA 30 — — ns
1212 CLKO1 Low to AS, DS, OE, WE, IFETCH, IPIPE,
IACK¯ Negated tCLSN 3 20 3 15 ns
1216 CLKO1 Low to CS¯/RAS¯ Negated tCLSN 4 16 4 12 ns
12A13,16 CLKO1 High to CS¯/RAS¯ Negated tCHCN 4 16 4 12 ns
12B CS negate to WE negate (CSNTQ=1) tCSTW 15 — 12 — ns
1312 AS, DS, CS¯, OE , WE , IACK¯ Negated to Ad-
dress, FC, SIZ Invalid (Address Hold) tSNAI 10 — 7.5 — ns
13A13 CS¯ Negated to Address, FC, SIZ Invalid (Ad-
dress Hold) tCNAI 30 — — ns
1410,12 AS, CS¯, OE, WE (and DS Read) Width Asserted tSWA 75 — — ns
14C11,13 CS¯ Width Asserted tCWA 35 — — ns
14A DS Width Asserted (Write) tSWAW 35 — — ns
14B AS, CS¯, OE , WE , IACK¯ (and DS Read) Width
Asserted (Fast Termination Cycle) tSWDW 35 — — ns
14D13 CS¯ Width Asserted (Fast Termination Cycle) tCWDW 15 — 10 — ns
153,10,12 AS, DS, CS¯, OE, WE Width Negated tSN 35 — — ns
16 CLKO1 High to AS, DS, R/W High Impedance tCHSZ — 40 — 30 ns
1712 AS, DS, CS¯, WE Negated to R/W High tSNRN 10 — 7.5 — ns
17A13 CS¯ Negated to R/W High tCNRN 30 — — ns
18 CLKO1 High to R/W High tCHRH 0 20 0 15 ns
20 CLKO1 High to R/W Low tCHRL 0 20 0 15 ns
2110 R/W High to AS, CS¯, OE Asserted tRAAA 10 — 7.5 — ns
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
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