MT90823 Zarlink Semiconductor, MT90823 Datasheet - Page 38

• Manufacturer Part Number: MT90823
• Description: 3V Large Digital Switch
• Manufacturer: Zarlink Semiconductor

38
AC Electrical Characteristics - Motorola Non-Multiplexed Bus Mode
MT90823
10 Valid Data Delay on write (slow write)
11 Data hold on write
12 Acknowledgment Delay:
13 Acknowledgment Hold Time
Note:
1
2
3
4
5
6
7
8
9
1. High Impedance is measured by pulling to the appropriate rail with R
AD0-AD7
AD0-AD7
D8-D15
D8-D15
CS setup from DS falling
R/W setup from DS falling
Address setup from DS falling
CS hold after DS rising
R/W hold after DS rising
Address hold after DS rising
Data setup from DTA Low on Read
Data hold on read
Data setup on write (fast write)
Reading/Writing Registers
Reading/Writing Memory @ 2Mb/s
R/W
DTA
WR
RD
DS
AS
CS
Characteristics
HiZ
HiZ
@ 4Mb/s
@ 8Mb/s
Figure 17 - Multiplexed Bus Timing (Mode2)
t
ASW
t
ADS
ADDRESS
ADDRESS
Zarlink Semiconductor Inc.
Sym
t
t
t
t
t
t
t
t
t
t
t
t
t
DHW
RWS
RWH
DSW
SWD
CSH
ADH
DDR
DHR
CSS
ADS
AKD
AKH
t
ADH
t
CSS
t
RWS
t
DSH
Min
10
10
0
2
0
2
2
2
0
5
L
, with timing corrected to cancel time taken to discharge C
HiZ
t
SW
HiZ
Typ
t
AKD
760/750
400/390
220/210
43/43
Max
122
20
22
t
DWS
t
DDR
DATA
DATA
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
t
DHW
AKH
t
DHR
C
C
Note 1
C
C
C
C
C
Note 1
t
L
L
L
L
L
L
L
CSH
Test Conditions
=150pF
=150pF, R
=150pF
=150pF
=150pF
=150pF
=150pF, R
t
RWH
Data Sheet
V
V
V
CT
CT
V
CT
V
L
L
V
V
CT
CT
=1K
=1K,
L
CT
CT
.