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IDT49C460

Part Number	IDT49C460
Manufacturer	Integrated Device
Description	32-BIT CMOS ERROR DETECTION AND CORRECTION UNIT
Published	Apr 27, 2005
Detailed Description	32-BIT CMOS ERROR DETECTION AND CORRECTION UNIT Integrated Device Technology, Inc. IDT49C460 IDT49C460A IDT49C460B IDT4...
Datasheet	IDT49C460 PDF File

Overview

32-BIT CMOS ERROR DETECTION AND CORRECTION UNIT Integrated Device Technology, Inc.
IDT49C460 IDT49C460A IDT49C460B IDT49C460C IDT49C460D IDT49C460E FEATURES: • Fast — IDT49C460E — IDT49C460D — IDT49C460C — IDT49C460B — IDT49C460A — IDT49C460 Low-power CMOS — Commercial: 95mA (max.
) — Military: 125mA (max.
) Improves system memory reliability — Corrects all single bit errors, detects all double and some triple-bit errors Cascadable — Data words up to 64-bits Built-in diagnostics — Capable of verifying proper EDC operation via software control Simplified byte operations — Fast byte writes possible with separate byte enables Functional replacement for 32- and 64-bit configurations of the AM29C60 and AM29C660 Available in PGA, PLCC and Fine Pitch Flatpack Military product compliant to MIL-STD-883, Class B Standard Military Drawing #5962–88533 Detect 10ns (max.
) 12ns (max.
) 16ns (max.
) 25ns (max.
) 30ns (max.
) 40ns (max.
) Correct 14ns (max.
) 18ns (max.
) 24ns (max.
) 30ns (max.
) 36ns (max.
) 49ns (max.
) DESCRIPTION: The IDT49C460s are high-speed, low-power, 32-bit Error Detection and Correction Units which generate check bits on a 32-bit data field according to a modified Hamming Code and correct the data word when check bits are supplied.
The IDT49C460s are performance-enhanced functional replacements for 32-bit versions of the 2960.
When performing a read operation from memory, the IDT49C460s will correct 100% of all single bit errors and will detect all double bit errors and some triple bit errors.
The IDT49C460s are easily cascadable to 64-bits.
Thirtytwo-bit systems use 7 check bits and 64-bit systems use 8 check bits.
For both configurations, the error syndrome is made available.
The IDT49C460s incorporate two built-in diagnostic modes.
Both simplify testing by allowing for diagnostic data to be entered into the device and to execute system diagnostics functions.
They are fabricated using a CMOS technology designed for high-performance and high-reliability.
The devic...

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