MT90823 Zarlink Semiconductor, MT90823 Datasheet - Page 37

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

Data Sheet
AC Electrical Characteristics - Multiplexed Bus Timing (Mode 2)
10 R/W setup from DS rising
12 Data hold after read
13 DS delay after AS falling
14 Acknowledgment Delay:
15 Acknowledgment Hold Time
11 R/W hold after DS falling
Note 1. High Impedance is measured by pulling to the appropriate rail with R
1
2
3
4
5
6
7
8
9
AS pulse width
Address setup from AS falling
Address hold from AS falling
Data setup from DTA Low on Read
CS hold after DS falling
CS setup from DS rising
Data hold after write
Data setup from DS -Write (fast write)
Valid Data Delay on write (slow write)
Reading/Writing Registers
Reading/Writing Memory @ 2Mb/s
Characteristics
@ 4Mb/s
@ 8Mb/s
Sym
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Zarlink Semiconductor Inc.
ASW
DHW
DWS
SWD
RWS
RWH
DDR
DHR
ADS
ADH
CSH
CSS
DSH
AKD
AKH
Min
20
20
60
10
10
3
3
5
0
0
5
5
L
, with timing corrected to cancel time taken to discharge C
Typ
760/750
400/390
220/210
43/43
Max
122
20
22
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
C
Note 1
C
C
C
C
C
Note 1
L
L
L
L
L
L
L
Test Conditions
=150pF
=150pF, R
=150pF
=150pF
=150pF
=150pF
=150pF, R
MT90823
L
L
=1K,
=1K,
L
.
37