MT90823AL1 ZARLINK [Zarlink Semiconductor Inc], MT90823AL1 Datasheet - Page 38

• Manufacturer Part Number: MT90823AL1
• Description: 3V Large Digital Switch
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

AC Electrical Characteristics - Multiplexed Bus Timing (Mode 2)
10 R/W setup from DS rising
11 R/W hold after DS falling
12 Data hold after read
13 DS delay after AS falling
14 Acknowledgment Delay:
15 Acknowledgment Hold Time
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.
Zarlink Semiconductor Inc.
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
DHW
DWS
SWD
RWS
RWH
ASW
DDR
DHR
ADS
ADH
CSH
CSS
DSH
AKD
AKH
MT90823
38
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
Data Sheet
L
L
=1K,
=1K,
L
.