idt49c465apqfb Integrated Device Technology, idt49c465apqfb Datasheet - Page 11

• Manufacturer Part Number: idt49c465apqfb
• Description: 32-bit Flow-thru Error Detection Correction Unit
• Manufacturer: Integrated Device Technology

IDT49C465/A
32-BIT FLOW-THRU ERROR DETECTION AND CORRECTION UNIT
PRIMARY DATA PATH vs. MEMORY CONFIGURATION
SEPARATE I/O MEMORIES:
CPU
CPU
CPU
1. Checkbit Generation
2. Data Correction
3. Memory Generation
Write New Word to Memory
Read Memory Word
Re-write Corrected Word to Memory
IDT49C465
IDT49C465
IDT49C465
CORRECTED
CORRECTED
SD MD
P
SD MD
P
SD MD
P
CBO
CBO
CBO
CBI
CBI
CBI
CHECKBIT
CHECKBIT
CHECKBIT
D
D
D
D
D
D
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
IN
OUT
IN
OUT
IN
OUT
MAIN
MAIN
MAIN
11.7
COMMON I/O MEMORIES:
CORRECTED
CORRECTED
IDT49C465
IDT49C465
IDT49C465
CPU
CPU
1. Checkbit Generation
2. Data Correction
3. Memory Generation
CPU
Write New Word to Memory
Read Memory Word
Re-write Corrected Word to Memory
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SD
P
SD
P
SD
P
CBO
CBO
CBO
CBI
CBI
CBI
MD
MD
MD
CORRECTED
CHECKBIT
CHECKBIT
CHECKBIT
I/O
I/O
I/O
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MAIN
MAIN
MAIN
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