MT90812 Mitel Networks Corporation, MT90812 Datasheet - Page 102

• Manufacturer Part Number: MT90812
• Description: Integrated Digital Switch (IDX)
• Manufacturer: Mitel Networks Corporation

MT90812
AC Electrical Characteristics - Motorola Non-Multiplexed Bus Mode
Note: 1. DS pin is used as DS in Motorola Non-Multiplexed Mode.
† See "Notes" following AC Electrical Characteristics tables.
Note: 1. DS pin is used as DS in Motorola Non-Multiplexed Mode.
98
10
11
12
1
2
3
4
5
6
7
8
9
DS
CS
R/W
A0-A12
D0-D7
READ
D0-D7
WRITE
DTA
CS setup from DS
R/W setup from DS
Address setup from DS
Address hold after DS
CS hold after DS
R/W hold after DS
Data setup from DTA Low on Read
Data hold on read
Valid Data Delay on write
Data hold on write
Acknowledgment Delay:
Register
Data Memory or Connect Memory
Data Memory A6=1
DBR, DBT and FSK FIFO Read
DBR, DBT and FSK FIFO Write
Acknowledgment Hold Time
1
Characteristics
1
1
1
rising
1
falling
rising
falling
1
1
Figure 50 - Motorola Non-Multiplexed Bus Timing.
falling
falling
t
t
t
ADS
CSS
RWS
Sym
t
t
t
t
t
t
t
t
t
t
t
t
RWS
RWH
SWD
DHW
CSS
ADS
ADH
CSH
DDR
DHR
AKD
AKH
t
SWD
Min
10
10
0
0
5
0
0
5
5
0
t
ADH
t
AKD
200 + 1/2 C8P
1.5xC8p + 85
2xC8p + 95
Max
135
30
95
15
t
DDR
t
DHW
unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Advance Information
t
CSH
t
DHR
5
3, 4
5
5
5,7
5
5
3, 4
t
t
RWH
AKH
Test Conditions†
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V
2.0V
0.8V