MT90869AG Zarlink, MT90869AG Datasheet - Page 81

• Manufacturer Part Number: MT90869AG
• Description: Switch Fabric 16K x 16K/8K x 8K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

Specifications of MT90869AG

• Package: 272BGA
• Number Of Ports: 64
• Fabric Size: 16K x 16K|8K x 8K
• Switch Core: Non-Blocking|Blocking
• Port Speed: 8.192|4.096|2.048 Mbps
• Operating Supply Voltage: 1.8|3.3 V

Non-Multiplexed Microprocessor Port Timing
Note1: High impedance is measured by pulling to the appropriate rail with R
time taken to discharge C
10
12
11
1
2
3
4
5
6
7
8
9
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
Data hold on write
Acknowledgment Delay:
Acknowledgment Hold Time
Reading/Writing Registers
Reading/Writing Memory
Characteristics
L
.
Figure 28 - Serial Output and External Control
CLK
STo
STo
ODE
STo
Figure 29 - Output Driver Enable (ODE)
Hi-Z
Valid Data
Zarlink Semiconductor Inc.
t
ODE
Sym.
t
t
t
t
t
t
t
t
t
t
t
t
RWH
WDS
DHW
RWS
CSS
ADS
CSH
ADH
DDR
DHR
AKD
AKH
HiZ
MT90869
Valid Data
t
DZ
t
81
ZD
t
ODZ
Min.
14
0
8
8
0
8
8
8
8
Valid Data
HiZ
L
Hi-Z
= 1k//1k potential divider, with timing corrected to cancel
VTT
Typ.
VTT
VTT
VTT
VTT
Max.
30
85
70
12
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
C
Test Conditions
C
L
L
=60pF, R
=60pF, R
C
C
C
Data Sheet
Note 1
Note 1
L
L
L
=60pF
=60pF
=60pF
L
L
=1K,
=1K