MT9075B Mitel Networks Corporation, MT9075B Datasheet - Page 68

• Manufacturer Part Number: MT9075B
• Description: E1 Single Chip Transceiver
• Manufacturer: Mitel Networks Corporation

MT9075B
AC Electrical Characteristics
68
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 is required between successive
Note: DS and CS may be connected together.
1
2
3
4
5
6
7
8
9
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
Motorola Microprocessor Timing
RWS
CSS
ADS
t
t
Sym
t
t
t
t
t
t
t
t
t
t
t
t
RWS
RWH
DSW
DHW
DSH
CSH
ADH
DDR
DHR
CYC
CSS
ADS
DAZ
DSL
t
CYC
t
DDR
Min
120
70
50
10
10
15
15
10
10
0
0
Typ
t
DSL
‡
VALID DATA
VALID DATA
t
DSW
Max
80
80
80
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
Preliminary Information
DHW
t
t
t
CSH
RWH
ADH
C
C
L
L
=50pF, R
=50pF, R
t
Test Conditions
DHR
t
DAZ
L
L
=1k
=1k
V
V
V
V
V
V
TT
TT
TT
TT
TT,
TT
V
CT