(19)
(11)
EP 1 105 808 A1
(12)
(43)
Date of publication:
13.06.2001
Bulletin 2001/24
(21)
Application number:
00932225.6
(22)
Date of filing:
10.05.2000
(51)
International Patent Classification (IPC)
7
:
G06F
13/42
,
H03L
7/081
(86)
International application number:
PCT/US0012/690
(87)
International publication number:
WO 0101/266
(
04.01.2001
Gazette 2001/01)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
29.06.1999
US 342853
(71)
Applicant:
ANALOG DEVICES, INCORPORATED
Norwood, MA 02062-9106 (US)
(72)
Inventor:
HOLZER, Reuven
46501 Herzlia (IL)
(74)
Representative:
de Beaumont, Michel et al
1, rue Champollion
38000 Grenoble
38000 Grenoble (FR)
(54)
DIGITAL DELAY LOCKED LOOP WITH OUTPUT DUTY CYCLE MATCHING INPUT DUTY CYCLE