MT90826AL Zarlink, MT90826AL Datasheet - Page 37

• Manufacturer Part Number: MT90826AL
• Description: Switch Fabric 4K x 4K/2K x 2K/1K x 1K 3.3V 160-Pin MQFP Tray
• Manufacturer: Zarlink

Specifications of MT90826AL

• Package: 160MQFP
• Number Of Ports: 32
• Fabric Size: 4K x 4K|2K x 2K|1K x 1K
• Switch Core: Non-Blocking
• Port Speed: 2.048|4.096|8.192|16.384 Mbps
• Operating Supply Voltage: 3.3 V

AC Electrical Characteristics - Serial Streams for ST-BUS
10 Output Driver Enable (ODE) Delay
11 STo delay - Active to High-Z
Note: 1. High Impedance is measured by pulling to the appropriate rail with R
1
2
3
4
5
6
7
8
9
Input Data Sample Point (Data rate of
16 Mbps)
Input Data Sample Point (Data rate of
8 Mbps)
Input Data Sample Point (Data rate of
4 Mbps)
Input Data Sample Point (Data rate of
2 Mbps)
STi Set-up Time (Data rate of 16 Mbps)
STi Hold Time (Date rate of 16 Mbps)
STi Set-up Time (Date rate of 2, 4 or 8 Mbps)
STi Hold Time (Date rate of 2, 4 or 8 Mbps)
STo Delay - Active to Active
F0i
CLK
(16.384 MHz)
STo
(16 Mbps)
STi
(16 Mbps)
- High-Z to Active
Characteristic
Ch255
Ch255
Bit1
Bit1
Figure 8 - ST-BUS Timing for Stream rate of 16.384 Mbps
t
SOD
Ch255
Ch255
t
t
Bit0
SIS_16
FPS
Bit0
t
FPW
t
IDS_16
t
FPH
Ch0
Bit7
Ch0
Bit7
t
SIH_16
Zarlink Semiconductor Inc.
MT90826
Ch0
Bit6
Ch0
Bit6
t
t
t
t
t
t
t
CP
Sym.
IDS_16
SIS_16
SIH_16
t
t
IDS_8
IDS_4
IDS_2
t
t
t
SOD
ODE
t
SIS
SIH
DZ,
37
ZD
Ch0
Bit5
Ch0
Bit5
Min.
L
, with timing corrected to cancel time taken to discharge C
11
0
8
0
8
8
Ch0
Bit4
Ch0
Bit4
t
CH
Typ.
183
366
30
91
Ch0
Bit3
Ch0
Bit3
Max.
30
43
35
35
t
CL
Ch0
Bit2
Ch0
Bit2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
r
Ch0
Bit1
Ch0
Bit1
t
f
C
C
R
See Note 1
R
See Note 1
Test Conditions
L
L
L
L
=30pF
=200pF
=1K, C
=1K, C
V
Data Sheet
V
TT
V
V
V
V
TT
TT
HM
TT
LM
L
L
=200pF,
=200pF,
L