MT9074
Advance Information
AC Electrical Characteristics -Timing Parameter Measurement Voltage Levels
Characteristics
Sym
Level
Units
Conditions/Notes
1
TTL Threshold Voltage
V
1.5
V
See Note 1
TT
0.3 VDD
2
3
CMOS Threshold Voltage
V
0.5 VDD
V
See Note 1
CT
Rise/Fall Threshold Voltage High
V
2.0
0.7 VDD
V
V
TTL
CMOS
HM
4
Rise/Fall Threshold Voltage Low
V
0.8
0.3 VDD
V
V
TTL
CMOS
LM
Note 1: Timing for output signals is based on the worst case result of the combination of TTL and CMOS thresholds.
†
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
10
10
0
RWS
Address Setup
CS Hold
t
ADS
CSH
RWH
t
R/W Hold
t
15
15
90
90
90
15
15
Address Hold
Data Delay Read
t
ADH
DDR
DHR
t
CL=150pF
CL=150pF
10 Data Hold Read
t
11 Data Active to High Z Delay
12 Data Setup Write
13 Data Hold Write
t
DAZ
DSW
DHW
t
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.
108
MITEL [ MITEL NETWORKS CORPORATION ]
