Typewriter User Manual

11-8 MC68340 USER’S MANUAL MOTOROLA
11.7 AC TIMING SPECIFICATIONS (See notes (a), (b), (c), and (d) corresponding to part operation,
GND = 0 Vdc, TA = 0 to 70
°C; see numbered notes; see Figures 11-2–11-11)
3.3 V
3.3 V or
5.0 V 5.0 V
8.39 MHz 16.78 MHz 25.16 MHz
Num. Characteristic Symbol Min Max Min Max Min Max Unit
6 CLKOUT High to Address, FC, SIZ, RMC Valid t
CHAV
060030020ns
7CLKOUT High to Address, Data, FC, SIZ, RMC
High Impedance
t
CHAZx
0 120 0 60 0 40 ns
8 CLKOUT High to Address, FC, SIZ, RMC
Invalid
t
CHAZn
0 — 0 — 0 — ns
9
9
CLKOUT Low to AS, DS, CS, IFETCH, IPIPE,
IACK≈
Asserted
t
CLSA
3 60 3 30 3 20 ns
9A
2
AS to DS or CS Asserted (Read) t
STSA
–30 30 –15 15 –6 6 ns
11 Address, FC, SIZ, RMC Valid to AS, CS (and
DS Read) Asserted
t
AVSA
30 — 15 — 10 — ns
12 CLKOUT Low to AS, DS, CS, IFETCH,
IPIPE,
IACK≈ Negated
t
CLSN
3 60 3 30 3 20 ns
13 AS, DS, CS, IACK≈ Negated to Address, FC,
SIZ Invalid (Address Hold)
t
SNAI
30 — 15 — 10 — ns
14 AS, CS (and DS Read) Width Asserted t
SWA
200 — 100 — 70 — ns
14A DS Width Asserted (Write) t
SWAW
90 — 45 — 30 — ns
14B AS, CS, IACK≈ (and DS Read) Width Asserted
(Fast Termination Cycle)
t
SWDW
80 — 40 — 30 — ns
15
3
AS, DS, CS Width Negated t
SN
80 — 40 — 30 — ns
16 CLKOUT High to AS, DS, R/W High Impedance t
CHSZ
— 120 — 60 — 40 ns
17 AS, DS, CS Negated to R/W High t
SNRN
30 — 15 — 10 — ns
18 CLKOUT High to R/W High t
CHRH
060030020ns
20 CLKOUT High to R/W Low t
CHRL
060030020ns
21
9
R/ W High to AS, CS Asserted t
RAAA
30 — 15 — 10 — ns
22 R/W Low to DS Asserted (Write) t
RASA
140 — 70 — 47 — ns
23 CLKOUT High to Data-Out Valid t
CHDO
—60—30—20 ns
24 Data-Out Valid to Negating Edge of AS, CS,
(Fast Termination Write)
t
DVASN
30 — 15 — 10 — ns
25 DS, CS, Negated to Data-Out Invalid (Data-Out
Hold)
t
SNDOI
30 — 15 — 10 — ns
26 Data-Out Valid to DS Asserted (Write) t
DVSA
30 — 15 — 10 — ns
27 Data-In Valid to CLKOUT Low (Data Setup) t
DICL
10—5—5— ns
27A Late BERR, HALT, BKPT Asserted to CLKOUT
Low (Setup Time)
t
BELCL
40 — 20 — 10 — ns
28 AS, DS Negated to DSACK≈, BERR, HALT
Negated
t
SNDN
0 160 0 80 0 50 ns
29
4
DS, CS Negated to Data-In Invalid (Data-In
Hold)
t
SNDI
0 — 0 — 0 — ns
29A
4
DS, CS Negated to Data-In High Impedance t
SHDI
— 120 — 60 — 40 ns
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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