74F401 FAIRCHILD [Fairchild Semiconductor], 74F401 Datasheet - Page 3
74F401
Manufacturer Part Number
74F401
Description
CRC Generator/Checker
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
1.74F401.pdf
(7 pages)
Block Diagram
16
15
2
FIGURE 1. Equivalent Circuit for X
X
X
1
FIGURE 2. Check Word Generation
Note 1: Check word Enable is HIGH while data is being clocked, LOW while transmission of check bits.
Note 2: 74F401 must be reset or preset before each computation.
Note 3: CRC check bits are generated and appended to data bits.
3
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