74HC297 Datasheet PDF - Philips
| Part Number | 74HC297 | |
| Description | Digital phase-locked-loop filter | |
| Manufacturers | Philips | |
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There is a preview and 74HC297 download ( pdf file ) link at the bottom of this page. Total 12 Pages | ||
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT297
Digital phase-locked-loop filter
Product specification
File under Integrated Circuits, IC06
September 1993
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Philips Semiconductors
Digital phase-locked-loop filter
Product specification
74HC/HCT297
Fig.4 Functional diagram.
K-COUNTER (DIGITAL CONTROL) FUNCTION TABLE
D C B A MODULO (K)
L LLL
L LLH
L LHL
L LHH
L HLL
L HLH
L HHL
L HHH
H LLL
H LLH
H LHL
H LHH
H HLL
H HLH
H HHL
H HHH
inhibited
23
24
25
26
27
28
29
210
211
212
213
214
215
216
217
EXCLUSIVE-OR PHASE DETECTOR FUNCTION
TABLE
φA1 φB
LL
LH
HL
HH
XORPDOUT
L
H
H
L
EDGE-CONTROLLED PHASE DETECTOR TABLE
φA2
H or L
↓
H or L
↑
φB
↓
H or L
↑
H or L
ECPDOUT
H
L
no change
no change
Notes
1. H = HIGH voltage level
L = LOW voltage level
↓ = HIGH-to-LOW transition
↑ = LOW-to-HIGH transition
September 1993
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74HC297 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 74HC297.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
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