HD3-6409-9 Intersil, HD3-6409-9 Datasheet
HD3-6409-9
Specifications of HD3-6409-9
Available stocks
Related parts for HD3-6409-9
HD3-6409-9 Summary of contents
Page 1
... Because it frames blocks of data, the HD-6409 easily interfaces to protocol controllers. Ordering Information TEMPERATURE PACKAGE RANGE 1 MEGABIT/SEC PDIP -40°C to +85°C HD3-6409-9 SOIC -40°C to +85°C HD9P6409-9 SOIC -40°C to +85°C HD9P6409-9Z (Pb-free) (Note) SOIC Tape & ...
Page 2
Block Diagram BOI DATA INPUT BZI LOGIC UDI EDGE DETECTOR RESET RST SD/CDS IX OSCILLATOR Logic Symbol 2 HD-6409 HD-6409 5-BIT SHIFT REGISTER AND DECODER COMMAND SYNC GENERATOR INPUT/ SD MANCHESTER OUTPUT ENCODER SELECT COUNTER CIRCUITS 13 ...
Page 3
Pin Description PIN NUMBER TYPE SYMBOL 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/Command Data Sync 5 O SDO Serial Data Out 6 O SRST ...
Page 4
Encoder Operation The encoder uses free running clocks at 1X and 2X the data rate derived from the system clock l for internal timing. CTS X is used to control the encoder outputs, ECLK, BOO and BZO. A free running ...
Page 5
DCLK UDI COMMAND SYNC SDO RST NVM Repeater Operation Manchester Il data can be presented to the repeater in either of two ways. The inputs Bipolar One In and Bipolar Zero In will accept data from differential inputs such as ...
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. Manchester has ...
Page 7
Using the 6409 as a Manchester Encoded UART BIPOLAR IN BIPOLAR IN RESET ‘164 DATA IN CP ‘273 PARALLEL DATA OUT 7 HD-6409 HD-6409 BZI V CC BOI BOO UDI BZO SD/CDS SS SDO ECLK SRST ...
Page 8
Absolute Maximum Ratings Supply Voltage ...
Page 9
Capacitance T = +25°C, Frequency = 1MHz A SYMBOL PARAMETER C Input Capacitance IN C Output Capacitance OUT AC Electrical Specifications V CC SYMBOL PARAMETER f Clock Frequency C t Clock Period C t Bipolar Pulse Width 1 t One-Zero ...
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) 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 of ...
Page 12
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...