Preliminary Information
MT9076
†
AC Electrical Characteristics - Motorola Microprocessor Timing
‡
Characteristics
Sym Min Typ
Max
Units
Test Conditions
1
2
3
4
5
6
7
8
9
DS low
t
70
60
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DSL
DS High
CS Setup
t
DSH
t
CSS
R/W Setup
t
1
RWS
Address Setup
CS Hold
t
4
ADS
CSH
RWH
t
0
R/W Hold
t
7
Address Hold
Data Delay Read
t
4
ADH
DDR
DHR
t
75
75
75
CL=150pF
CL=150pF
10 Data Hold Read
11 Data A
t
t
DAZ
DSW
DHW
12 Data Setup Write
13 Data Hold Write
t
7
9
t
†
Characteristics are for clocked operation over the ranges of recommended operating temperature and supply voltage.
‡ Typical figures are at 25˚C and are for design aid only: not guaranteed and not subject to production testing.
t
CYC
t
DSL
V
V
V
DS
CS
TT
TT
TT
t
DSH
t
t
t
CSS
CSH
t
RWH
RWS
R/W
t
t
ADS
ADH
V
V
A0-A4
TT
t
DDR
t
DAZ
VALID DATA
D0-D7
READ
V
TT, CT
t
t
t
DHR
DHW
DSW
D0-D7
WRITE
VALID DATA
V
TT
Note: DS and CS may be connected together.
Figure 16 - Motorola Microport Timing
139
MITEL [ MITEL NETWORKS CORPORATION ]
