MT9075A Mitel Networks Corporation, MT9075A Datasheet - Page 67

• Manufacturer Part Number: MT9075A
• Description: E1 Single Chip Transceiver
• Manufacturer: Mitel Networks Corporation

Preliminary Information
AC Electrical Characteristics
DS
CS
R/W
A0-A4
D0-D7
READ
D0-D7
WRITE
10
11
12
13
14
† Characteristics are for clocked operation over the ranges of recommended operating temperature and supply voltage
‡ Typical figures are at 25˚Cand are for design aid only: not guaranteed and not subject to production testing.
* This cycle time is for all accesses other than HDLC FIFOs. For HDLC FIFO accesses, a minimum 100ns wait state is required between
Note: DS and CS may be connected together.
1
2
3
4
5
6
7
8
9
successive Read/Write operations.
DS low
DS High
CS Setup
R/W Setup
Address Setup
CS Hold
R/W Hold
Address Hold
Data Delay Read
Data Hold Read
Data Active to High Z Delay
Data Setup Write
Data Hold Write
Cycle Time
Characteristics
*
t
DSH
Figure 11 - Motorola Microprocessor Timing
†
-
t
t
t
RWS
Motorola Microprocessor Timing
CSS
ADS
t
Sym
t
t
t
t
t
t
t
t
t
t
t
t
t
RWS
RWH
DSW
DHW
DDR
DHR
DSH
CSS
ADS
CSH
ADH
CYC
DSL
DAZ
t
CYC
t
DDR
Min
110
70
50
10
10
15
15
80
80
80
10
10
0
0
Typ
t
DSL
‡
VALID DATA
VALID DATA
t
DSW
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
DHW
t
t
t
CSH
RWH
ADH
C
C
L
L
=50pF, R
=50pF, R
t
Test Conditions
DHR
t
DAZ
MT9075A
L
L
=1k
=1k
V
V
V
V
V
V
TT
TT
TT
TT
TT,
TT
V
4-195
CT