MC68340AB16E Datasheet, PDF (409/441 Pages) Motorola, Inc – Integrated Processor with DMA User’s Manual

Freescale Semiconductor, Inc.
11.7 AC TIMING SPECIFICATIONS (Continued)
3.3 V
8.39 MHz
Num.
304
30A4
315
31A
32
33
34
356
Characteristic
CLKOUT Low to Data-In Invalid (Fast
Termination Hold)
CLKOUT Low to Data-In High Impendance
DSACK≈ Asserted to Data-In Valid
DSACK≈ Asserted to DSACK≈ Valid (Skew)
HALT and RESET Input Transition Time
CLKOUT Low to BG Asserted
CLKOUT Low to BG Negated
BR Asserted to BG Asserted (RMC Not
Asserted)
Symbol Min Max
tCLDI 30 —
tCLDH — 180
tDADI — 100
tDADV — 60
tHRrf — 400
tCLBA — 60
tCLBN — 60
tBRAGA 1 —
37 BGACK Asserted to BG Negated
tGAGN 1 2.5
39 BG Width Negated
tGH
2—
39A BG Width Asserted
tGA
1—
46 R/ W Width Asserted (Write or Read)
tRWA 300 —
46A R/ W Width Asserted (Fast Termination Write or tRWAS 180 —
Read)
47A8 Asynchronous Input Setup Time
tAIST 15 —
47B Asynchronous Input Hold Time
485,7 DSACK≈ Asserted to BERR, HALT Asserted
tAIHT 30 —
tDABA — 60
53 Data-Out Hold from CLKOUT High
tDOCH 0 —
54 CLKOUT High to Data-Out High Impedance
tCHDH — 60
55 R/ W Asserted to Data Bus Impedance Change tRADC 80 —
56 RESET Pulse Width (Reset Instruction)
tHRPW 512 —
56A RESET Pulse Width (Input from External
Device)
tRPWI 590 —
57 BERR Negated to HALT Negated (Rerun)
tBNHN 0 —
70 CLKOUT Low to Data Bus Driven (Show Cycle) tSCLDD 0 60
71 Data Setup Time to CLKOUT Low (Show
Cycle)
tSCLDS 30 —
72 Data Hold from CLKOUT Low (Show Cycle)
80 DSI Input Setup Time
81 DSI Input Hold Time
82 DSCLK Setup Time
83 DSCLK Hold Time
84 DSO Delay Time
tSCLDH 20 —
tDSISU 30 —
tDSIH 20 —
tDSCSU 30 —
tDSCH 20 —
tDSOD — tcyc
+ 50
3.3 V or
5.0 V
16.78 MHz
Min Max
15 —
— 90
— 50
— 30
— 200
— 30
— 30
1—
1 2.5
2—
1—
150 —
90 —
8, 5 —
15 —
— 30
0—
— 30
40 —
512 —
590 —
0—
0 30
15 —
10 —
15 —
10 —
15 —
10 —
— tcyc
+ 25
5.0 V
25.16 MHz
Min Max Unit
10 —
ns
— 60
ns
— 32
ns
— 20
ns
— 140
ns
— 20
ns
— 20
ns
1 — CLKOUT
1 2.5 CLKOUT
2 — CLKOUT
1 — CLKOUT
100 —
ns
60 —
ns
5—
ns
10 —
ns
— 20
ns
0—
ns
— 20
ns
25 —
ns
512 — CLKOUT
590 — CLKOUT
0—
ns
0 20
ns
10 —
ns
6—
ns
10 —
ns
6—
ns
10 —
ns
6—
ns
— tcyc
ns
+ 16
MOTOROLA
MC68340 USER’S MANUAL
11-9
For More Information On This Product,
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