MT9300
Advance Information
AC Electrical Characteristics† - Motorola Non-Multiplexed Bus Mode
‡
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
2
3
4
5
6
7
8
CS setup from DS falling
R/W setup from DS falling
Address setup from DS falling
CS hold after DS rising
R/W hold after DS rising
Address hold after DS rising
Data delay on read
t
0
0
0
0
0
0
ns
ns
ns
ns
ns
ns
ns
ns
CSS
t
RWS
t
ADS
CSH
RWH
t
t
t
ADH
DDR
DHR
t
79
15
C =150pF, RL=1K
L
Data hold on read
t
3
C =150pF, RL=1K
L
See Note 1
9
Data setup on write
t
0
0
ns
ns
ns
ns
DSW
10 Data hold on write
t
DHW
11 Acknowledgment delay
12 Acknowledgment hold time
t
80
8
C =150pF, RL=1K
L
AKD
AKH
t
0
C =150pF, RL=1K,
L
See Note 1
13 IRQ delay
t
20
65
ns
C =150pF, RL=1K,
IRD
L
See Note 1
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25°C, V =3.3V and for design aid only: not guaranteed and not subject to production testing
DD
* Note 1:High Impedance is measured by pulling to the appropriate rail with R , with timing corrected to cancel time taken to discharge C .
L
L
V
DS
CS
TT
t
t
CSS
CSH
V
TT
t
t
RWH
RWS
V
R/W
TT
t
t
ADS
ADH
V
VALID ADDRESS
DDR
TT
A0-A10
t
t
DHR
V
VALID READ DATA
D0-D7
READ
TT
t
t
DHW
DSW
V
VALID WRITE DATA
D0-D7
WRITE
TT
t
t
AKD
AKH
V
DTA
IRQ
TT
t
IRD
V
TT
Figure 13 - Motorola Non-Multiplexed Bus Timing
26
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