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參數(shù)資料
| 型號： | HD-6409883 |
| 廠商： | Intersil Corporation |
| 英文描述： | CMOS Manchester Encoder-Decoder |
| 中文描述： | 的CMOS曼徹斯特編碼，解碼器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 135K |
| 代理商： | HD-6409883 |
135
TM
March 1997
HD-6409/883
CMOS Manchester Encoder-Decoder
Features
This Circuit is Processed in Accordance to MIL-STD-
883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
Converter or Repeater Mode
Independent Manchester Encoder and Decoder
Operation
Static to One Megabit/Sec Data Rate Guaranteed
Low Bit Error Rate
Digital PLL Clock Recovery
On Chip Oscillator
Low Operating Power: 50mW Typical at +5V
Available in 20 Lead Dual-In-Line and 20 Pad LCC
Package
Ordering Information
Description
The HD-6409/883 Manchester Encoder-Decoder (MED) is a
high speed, low power device manufactured using self-
aligned silicon gate technology. The device is intended for
use in serial data communication, and can be operated in
either of two modes. In the converter mode, the MED con-
verts Nonreturn-to-Zero code (NRZ) into Manchester code
and decodes Manchester code into Nonreturn-to-Zero code.
For serial data communication, Manchester code does not
have some of the deficiencies inherent in Nonreturn-to-Zero
code. For instance, use of the MED on a serial line elimi-
nates DC components, provides clock recovery, and gives a
relatively high degree of noise immunity. Because the MED
converts the most commonly used code (NRZ) to Manches-
ter code, the advantages of using Manchester code are eas-
ily realized in a serial data link.
In the Repeater mode, the MED accepts Manchester code
input and reconstructs it with a recovered clock. This mini-
mizes the effects of noise on a serial data link. A digital
phase lock loop generates the recovered clock. A maximum
data rate of 1MHz requires only 50mW of power.
Manchester code is used in magnetic tape recording and in
fiber optic communication, and generally is used where data
accuracy is imperative. Because it frames blocks of data, the
HD-6409/883 easily interfaces to protocol controllers.
PART NUMBER
TEMPERATURE
RANGE
-55
o
C to +125
o
C
-55
o
C to +125
o
C
PACKAGE
PKG.
NO.
HD1-6409/883
CERDIP
F20.3
HD4-6409/883
CLCC
J20.A
Pinouts
HD1-6409/883 (CERDIP)
TOP VIEW
HD4-6409/883 (CLCC)
TOP VIEW
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
BZI
BOI
UDI
SD/CDS
SDO
SRST
DCLK
NVM
RST
GND
VCC
BZO
SS
ECLK
BOO
CTS
MS
OX
IX
CO
SD/CDS
SDO
SRST
NVM
DCLK
U
B
B
V
B
R
G
C
I
O
BZO
SS
ECLK
CTS
MS
4
5
6
7
8
10
11
12
13
9
3
2
1
20
19
16
17
18
15
14
FN2959.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
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