HD9P6409-9 INTERSIL [Intersil Corporation], HD9P6409-9 Datasheet

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HD9P6409-9

Manufacturer Part Number
HD9P6409-9
Description
CMOS Manchester Encoder-Decoder
Manufacturer
INTERSIL [Intersil Corporation]
Datasheets

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HD9P6409-9Z96
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INTERSIL
Quantity:
20 000
March 1997
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
Features
• Converter or Repeater Mode
• Independent Manchester Encoder and Decoder
• 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
Ordering Information
Pinouts
PDIP
SOIC
CERDIP
CLCC
Operation
Package
PACKAGE
DESC
DESC
SD/CDS
DCLK
SRST
NVM
GND
SDO
HD-6409 (CERDIP, PDIP, SOIC)
RST
TEMPERATURE
BOI
UDI
BZI
-40
-40
-40
-55
-40
-55
o
o
o
o
o
o
RANGE
C to +85
C to +85
C to +85
C to 125
C to +85
C to 125
10
1
2
3
4
5
6
7
8
9
TOP VIEW
o
o
o
o
o
o
|
C
C
C
C
C
C
Copyright
HD3-6409-9
HD9P6409-9
HD1-6409-9
5962-9088801MRA
HD4-6409-9
5962-9088801M2A
1 MEGABIT/SEC
20
19
18
17
16
15
14
13
12
11
©
V
BOO
BZO
SS
ECLK
CTS
MS
OX
IX
CO
CC
Intersil Corporation 1999
E20.3
M20.3
F20.3
F20.3
J20.A
J20.A
PKG.
NO.
5-1
Description
The HD-6409 Manchester Encoder-Decoder (MED) is a high
speed, low power device manufactured using self-aligned sil-
icon 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 converts Non
return-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 eliminates 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 Manchester code,
the advantages of using Manchester code are easily 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 easily interfaces to protocol controllers.
CMOS Manchester Encoder-Decoder
SD/CDS
DCLK
SRST
NVM
SDO
4
5
6
7
8
3
9
HD-6409
HD-6409 (CLCC)
10
2
TOP VIEW
11
1
20
12
19
13
File Number
18
17
16
15
14
BZO
SS
ECLK
CTS
MS
2951.1

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HD9P6409-9 Summary of contents

Page 1

... Low Operating Power: 50mW Typical at +5V • Available in 20 Lead Dual-In-Line and 20 Pad LCC Package Ordering Information TEMPERATURE PACKAGE RANGE 1 MEGABIT/SEC o o PDIP - +85 C HD3-6409 SOIC - +85 C HD9P6409 CERDIP - +85 C HD1-6409 DESC - 125 C 5962-9088801MRA o o CLCC - +85 C ...

Page 2

Block Diagram BOI DATA INPUT BZI LOGIC UDI EDGE DETECTOR RST RESET SD SD/CDS IX OSCILLATOR Logic Symbol HD-6409 5-BIT SHIFT REGISTER AND DECODER COMMAND SYNC GENERATOR INPUT/ MANCHESTER OUTPUT ENCODER SELECT COUNTER CIRCUITS ...

Page 3

Pin Description PIN NUMBER TYPE SYMBOL NAME 1 I BZl Bipolar Zero Input 2 I BOl Bipolar One Input 3 I UDI Unipolar Data Input 4 I/O SD/CDS Serial Data/Com- mand Data Sync 5 O SDO Serial Data Out 6 ...

Page 4

Pin Description PIN NUMBER TYPE SYMBOL NAME Speed Select 18 O BZO Bipolar Zero Output 19 O BOO Bipolar One Out NOTE: (I) Input (O) Output Encoder Operation The encoder uses ...

Page 5

There is a three bit delay between UDI, BOl, or BZI input and the decoded NRZ data transmitted out of SDO. Control of the decoder outputs is provided by the RST pin. When RST is low, SDO, DCLK and NVM ...

Page 6

Manchester Code Nonreturn-to-Zero (NRZ) code represents the binary values logic-O and Iogic-1 with a static level maintained throughout the data cell. In contrast, Manchester code represents data with a level transition in the middle of the data cell. Manches- ter ...

Page 7

Using the 6409 as a Manchester Encoded UART BIPOLAR IN BIPOLAR IN RESET ‘164 DATA IN CP ‘273 PARALLEL DATA OUT HD-6409 BZI V CC BOI BOO UDI BZO SD/CDS SS SDO ECLK SRST CTS NVM ...

Page 8

Absolute Maximum Ratings Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 9

AC Electrical Specifications V CC SYMBOL PARAMETER f Clock Frequency C t Clock Period C t Bipolar Pulse Width 1 t One-Zero Overlap 3 t Clock High Time CH t Clock Low Time CL t Serial Data Setup Time CE1 ...

Page 10

Timing Waveforms BIT PERIOD BOI BZI COMMAND SYNC BOI BZI DATA SYNC T 1 BOI BZI T 4 ONE T UDI 2 COMMAND SYNC T UDI 2 DATA ...

Page 11

Timing Waveforms (Continued) ECLK SD/CDS CTS BZO t CE4 BOO t CE5 ECLK FIGURE 12. ENCODER TIMING DCLK UDI MANCHESTER LOGIC-1 SDO NVM NOTE: Manchester Data-In is not synchronous with Decoder Clock. Decoder Clock is synchronous with decoded NRZ out ...

Page 12

Timing Waveforms (Continued) UDI MANCHESTER ‘1’ ECLK BZO MANCHESTER ‘1’ SDO NVM Test Load Circuit All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil products are sold by description ...

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