idt49c465apqfb Integrated Device Technology, idt49c465apqfb Datasheet - Page 13
idt49c465apqfb
Manufacturer Part Number
idt49c465apqfb
Description
32-bit Flow-thru Error Detection Correction Unit
Manufacturer
Integrated Device Technology
Datasheet
1.IDT49C465APQFB.pdf
(38 pages)
- Current page: 13 of 38
- Download datasheet (404Kb)
IDT49C465/A
32-BIT FLOW-THRU ERROR DETECTION AND CORRECTION UNIT
32-BIT DATA WORD CONFIGURATION
provides all the logic needed for single-bit error correction,
and double-bit error detection, of a 32-bit data field. The
identification code (00) indicates 7 checkbits are required.
The CBI
is indicated below.
32-BIT DATA FORMAT
32-BIT HARDWARE CONFIGURATION
A single IDT49C465 EDC unit, connected as shown below,
The 39-bit data format for four bytes of data and 7 checkbits
SYSTEM DATA I/O
CODE ID 1,0 = 00
V
CHECKBITS–IN
31
CC
BYTE 3
7
pin should be tied high.
24 23
BYTE 2
7
32
DATA
16 15
8
BYTE 1
PCBI
CBI
CBI
P
SD
0–3
0–31
7
0–6
0–7
8 7
IDT49C465
BYTE 0
11.7
generated checkbits with the checkbits read from memory.
For example, Sn is the XOR of checkbits from those read with
those generated. During Data Correction, the syndrome bits
are used to complement (correct) single-bit errors in the data
bits.
Syndrome bits are generated by an exclusive-OR of the
0
CBO
SYO
MD
MERR
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ERR
0–31
0–6
0–6
C6
C5
7
7
32
C4
CHECKBITS
C3
MEMORY DATA I/O
SYNDROME–OUT
CHECKBITS–OUT
C2
C1
2552 drw 15
2552 drw 16
C0
13
Related parts for idt49c465apqfb
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Error Detection And Correction
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
Integrated Processor
Manufacturer:
Integrated Device Technology, Inc.
Part Number:
Description:
Integrated Riscontroller for Low-Cost Systems
Manufacturer:
Integrated Device Technology, Inc.
Part Number:
Description:
INTEGRATED RISController FOR LOW-COST SYSTEMS
Manufacturer:
Integrated Device Technology, Inc.
Part Number:
Description:
SwitchStar ATM Cell Based 1.2Gbps non-blocking Integrated Switch Controller
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
3.3V CMOS 16-bit bidirectional transceiver
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
3.3 CMOS octal buffer/line driver
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
Fast CMOS octal registered transceivers
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
Fast CMOS octal bidirectional transceivers
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
Fast CMOS 16-bit buffer/line driver
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
2.5 V/3.3 V 10 Bit High Bandwidth Bus Switch with Precharged Outputs
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
High-Speed CMOS Quick Switch 16:8 Multiplexer
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
QUICKSWITCH?? PRODUCTS HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH IDTQS32X245Q2QUICKSWITCH PRODUCTS HIGH-SPEED CMOS QUICKSWITCH DOUBLE-WIDTH BUS SWITCH
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
2.5V / 3.3V 16-BIT HIGH BANDWIDTH BUS SWITCH
Manufacturer:
Integrated Device Technology, Inc.
Datasheet:
Part Number:
Description:
QUICKSWITCH PRODUCTS 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
Manufacturer:
Integrated Device Technology, Inc.
Datasheet: