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IDT49C466

Features: 64-bit wide Flow-thruEDC(TM) Separate System and Memory Data Input/Output Buses - Error Detect Time: 10ns - Error Correct Time: 15ns Corrects all single bit errors; Detects all double bit errors and some multiple bit errors Configurable 16-deep bus read/write FIFOs with flags Simultaneou...

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SeekIC No. : 004371682 Detail

IDT49C466: Features: 64-bit wide Flow-thruEDC(TM) Separate System and Memory Data Input/Output Buses - Error Detect Time: 10ns - Error Correct Time: 15ns Corrects all single bit errors; Detects all double bit ...

IDT49C466 Data Sheet

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Part Number:
IDT49C466
Supply Ability:
5000

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  • 1~5000
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  • 15 Days
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Upload time: 2024/11/14

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Product Details

Description



Features:

 64-bit wide Flow-thruEDC(TM)
Separate System and Memory Data Input/Output Buses
-  Error Detect Time:  10ns
-  Error Correct Time:  15ns
Corrects all single bit errors;  Detects all double bit errors and some multiple bit errors
Configurable 16-deep  bus read/write FIFOs with flags
Simultaneous check bit generation and correction of memory data
Supports partial word writes on byte boundaries
Low noise output
 Sophisticated error diagnostics and error logging
Parity generation on system data bus
208-pin Plastic Quad Flatpack


Pinout

Connection Diagram


Specifications

Symbol Rating Com'l. Unit
VCC Power Supply Voltage 0.5 to +7.0 V
VTERM Terminal Voltage with Respect to Ground 0.5 to
VCC + 0.5		 V
TBIAS Temperature Under Bias 55 to +125  
TSTG
 Storage Temperature 55 to +125  
IOUT DC Output Current 30 mA



Description

The IDT49C466/A 64-bit Flow-thruEDC is a high-speed error detection and correction unit that ensures data integrity in memoy stems.  The flow-thru architecture, with separate
system and memory data buses, is ideally suited for pipelined  memory systems.

Implementing a modified Hamming code, the IDT49C466/A corrects all single bit hard and soft errors, and detects all double bit errors.  The read/write FIFOs can store up to sixteen words.  FIFO full and empty flags indicate whether additional data can be written to or read from the EDC.


Check bit generation for partial word writes on byte bound-aries is supported on the IDT49C466/A.


Diagnostic features include a check bit register,  syndrome registers, a four bit error counter which logs up to 15 errors,and an error data register which stores the complete error data
word.  Parity can be generated and checked on the system bus by the IDT49C466/A.




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