Ac Timing Specifications - Motorola MC68340 User Manual

11.7 AC TIMING SPECIFICATIONS

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