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參數(shù)資料
| 型號： | MT90823 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 3V Large Digital Switch(3V 大數(shù)字開關(guān)) |
| 中文描述： | 3V的大型數(shù)字交換機(jī)（3V的大數(shù)字開關(guān)） |
| 文件頁數(shù)： | 6/37頁 |
| 文件大小： | 162K |
| 代理商： | MT90823 |
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MT90823
CMOS
6
51
24
21
N12
CS
Chip Select (5V Tolerant Input):
Active low input used
by a microprocessor to activate the microprocessor
port of MT90823.
52
25
22
M11
AS/ALE
Address Strobe or Latch Enable (5V Tolerant Input):
This input is used if multiplexed bus operation is
selected via the IM input pin. For Motorola
non-multiplexed bus operation, connect this pin to
ground.
53
26
23
N13
IM
CPU Interface Mode (5V Tolerant Input):
When IM is
high, the microprocessor port is in the multiplexed
mode. When IM is low, the microprocessor port is in
non-multiplexed mode.
55 -
62
32-39
29 -
36
L12,L13,K12,
K13,J12,J13,
H12,H13
AD0 - 7
Address/Data Bus 0 to 7 (5V Tolerant I/O):
These
pins are the eight least significant data bits of the
microprocessor port. In multiplexed mode, these pins
are also the input address bits of the microprocessor
port.
65 -
72
42-49
39 -
46
G12,G13,F12,
F13,E12,E13,
D12,D13
D8 - 15
Data Bus 8-15 (5V Tolerant I/O):
These pins are the
eight most significant data bits of the microprocessor
port.
73
50
47
C12
DTA
Data Transfer Acknowledgement (5V tolerant
Three-state Output):
Indicates that a data bus transfer
is complete. When the bus cycle ends, this pin drives
HIGH and then tri-states, allowing for faster bus cycles
with a weaker pull-up resistor. A pull-up resistor is
required to hold a HIGH level when the pin is tri-stated.
74
55
48
C13
CSTo
Control Output (5V Tolerant Output).
This is a 4.096,
8.192 or 16.384 Mb/s output containing 512, 1024 or
2048 bits per frame respectively. The level of each bit is
determined by the CSTo bit in the connection memory.
See External Drive Control Section.
76
57
54
B11
ODE
Output Drive Enable (5V Tolerant Input):
This is the
output enable control for the STo0-15 serial outputs.
When ODE input is low and the OSB bit of the IMS
register is low, STo0-15 are in a high impedance state.
If this input is high, the STo0-15 output drivers are
enabled. However, each channel may still be put into a
high impedance state by using the per channel control
bit in the connection memory.
77 -
84
58-65
55 -
62
A11,B10,A10,B9,
A9,A8,B8,A7
STo0 - 7
Data Stream Output 0 to 7 (5V Tolerant Three-state
Outputs):
Serial data Output stream. These streams
have selectable data rates of 2.048, 4.096 or 8.192 Mb/
s.
Pin Description (continued)
Pin #
Name
Description
84
PLCC
100
MQFP
100
LQFP
120
BGA
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90823AB | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 3.3V 100LQFP - Trays 制造商:Microsemi Corporation 功能描述:3V LARGE DIGITAL SWITCH |
| MT90823AB1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 3.3V 100LQFP - Trays 制造商:Microsemi Corporation 功能描述:3V LARGE DIGITAL SWITCH 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH 2048X2048 100LQFP 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH 2048X2048 100LQFP |
| MT90823AG | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 3.3V 120BGA - Trays |
| MT90823AG2 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 3.3V 120BGA - Trays |
| MT90823AL | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 2K X 2K/1K X 1K/512 X 512 3.3V 100MQFP - Trays |
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