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參數(shù)資料
| 型號(hào)： | MT90823 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | 3V Large Digital Switch |
| 中文描述： | 3V的大型數(shù)字開關(guān) |
| 文件頁數(shù)： | 7/46頁 |
| 文件大?。?/td> | 663K |
| 代理商： | MT90823 |
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MT90823
Data Sheet
7
Zarlink Semiconductor Inc.
50
23
20
M10
R/W / WR
Read/Write / Write (5 V Tolerant Input):
In the cases
of Motorola non-multiplexed and multiplexed bus
operations, this input is R/W. This input controls the
direction of the data bus lines (AD0 - AD7, D8-D15)
during a microprocessor access.
For multiplexed bus operation, this input is WR. This
active low input is used with RD to control the data bus
(AD0 - 7) lines as inputs.
51
24
21
N12
CS
Chip Select (5 V 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 (5 V 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 (5 V 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 (5 V 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 (5 V Tolerant I/O):
These pins are the
eight most significant data bits of the microprocessor
port.
73
50
47
C12
DTA
Data Transfer Acknowledgement (5 V 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 (5 V 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.
Pin Description (continued)
Pin #
Name
Description
84
PLCC
100
MQFP
100
LQFP
120
BGA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT90823AB | 3V Large Digital Switch |
| MT90823AG | 3V Large Digital Switch |
| MT90823AL | 3V Large Digital Switch |
| MT90823AP | 3V Large Digital Switch |
| MT90826 | Quad Digital Switch |
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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