mt90868ag2 Zarlink Semiconductor, mt90868ag2 Datasheet - Page 56

• Manufacturer Part Number: mt90868ag2
• Description: 32,768 X 8,192 Channels High Bandwidth Digital Switch With Up To 128 Streams On Backplane And 128 Streams On Local And Data Rates From 8 To 32 Mbps
• Manufacturer: Zarlink Semiconductor

* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
56
Absolute Maximum Ratings*
*Note: Only Bit 7-0 will be used for per-channel message mode.
14 - 13
8 - 0 *
12-10
BSRC
1
2
3
4
5
6
7
Table 33 - Backplane Connection Memory (BCM) Bits for "Backplane-to-Backplane" Switching
Bit
15
= 1
15
9
Core Supply Voltage
I/O Supply Voltage
Input Voltage
Input Voltage (5V tolerant inputs)
Continuous Current at digital outputs
Package power dissipation
Storage temperature
BTM
14
1
BCAB8 - 0
BTM1 - 0
Unused
BSAB0
Name
BSRC
BTM
13
0
12
0
Parameter
Backplane Source Control Bit: When this bit is high, the "backplane-to backplane"
switching is enabled and the source is from the backplane input port.
Backplane TM Bits: These two bits control the backplane outputs
Reserved. Set to zero for normal operation.
Backplane Source Stream Address Bits: When this bit is low, the source stream
(Stream A) is selected. Stream A is defined in the BDISR register.
When this bit is high, the source stream (Stream B) is selected. Stream B is defined
in the BDISR register.
Source Channel Address Bits: The binary value of these 9 bits represents the
local input channel number.
11
0
10
0
BTM1
0
0
1
1
BSA
B0
9
Zarlink Semiconductor Inc.
BCA
B8
8
BTM0
0
1
0
1
BCA
B7
7
V
Symbol
DD_CORE
V
Description
V
V
DD_IO
BCA
P
T
I_3V
I_5V
B6
I
Per-Channel Operation Mode
6
(See Bit 15 (BHIZ) in Table 5)
o
D
S
Tristate/Driven-High
BER Test Mode
BCA
Normal Output
B5
5
Msg Mode
BCA
Min
-0.5
-0.5
-0.5
-0.5
- 55
B4
4
BCA
B3
3
V
DD
BCA
+125
Max
B2
2.5
5.0
7.0
2
.
15
2
+ 0.5
Data Sheet
BCA
B1
1
Units
mA
°C
W
BCA
V
V
V
V
B0
0