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.

FEATURES:
• Fast
                                 Detect          Correct
   — IDT49C460E 10ns (max.) 14ns (max.)
   — IDT49C460D 12ns (max.) 18ns (max.)
   — IDT49C460C 16ns (max.) 24ns (max.)
   — IDT49C460B 25ns (max.) 30ns (max.)
   — IDT49C460A 30ns (max.) 36ns (max.)
   — IDT49C460 40ns (max.) 49ns (max.)
• 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