mt90823ap1 Zarlink Semiconductor, mt90823ap1 Datasheet - Page 40

• Manufacturer Part Number: mt90823ap1
• Description: 2048 X 2048 Channels Selectable Rate 2, 4, 8 Mbps 3.3 V Non-blocking Large Digital Switch Ldx
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics - Motorola Non-Multiplexed Bus Mode
10 Valid Data Delay on write (slow write)
12 Acknowledgment Delay:
13 Acknowledgment Hold Time
11 Data hold on write
Note:
1
2
3
4
5
6
7
8
9
1. High Impedance is measured by pulling to the appropriate rail with R
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
Characteristics
@ 4Mb/s
@ 8Mb/s
Sym.
Zarlink Semiconductor Inc.
t
t
t
t
t
t
t
t
t
t
t
t
t
RWH
DHW
RWS
DSW
SWD
CSS
ADS
CSH
ADH
DDR
DHR
AKD
AKH
MT90823
40
Min.
10
10
0
2
0
2
2
2
0
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
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
.