Functional Block Diagram
XTAL XTAL
OUT+ OUT-
XTAL+ XTAL-
LF+ LF-
KBB
XTAL
OSC
BUFFER
RE-TIMER
M
U
X
DATA BUFFER
CLOCK BUFFER
DDO 0
DDO_MUTE
RCO_MUTE
DDI 0
PHASE
FREQUENCY
DETECTOR
M
U
X
CHARGE
PUMP
M
U
X
RCO/DDO1
VCO
D
A
T
DDI 1
DDI 2
DATA/CLOCK
A
PHASE
DETECTOR
M
U
X
DIVIDER
DIVIDER
DDI 3
BYPASS
LOGIC
CONTROL LOGIC
DDI_SEL[1:0]
SS[2:0]
LOCKED
AUTO/MAN
SD/HD
LOS
AUTOBYPASS
BYPASS
GS2975A Functional Block Diagram
Revision History
Version ECR
PCN
Date
Changes and/or Modifications
4
151358
–
April 2009
Added 2.5k reel option to section 6.6
Ordering Information. Changed the
maximum input swing value from 800mV
to 1100mV in Table 2-2: AC Electrical
Characteristics.
3
150068
–
June 2008
Removed references to GND_DRV in
Section 1.1 GS2975A Pin Assignment and
Table 1-1: Pin Descriptions.
2
1
147068
146316
–
August 2007
July 2007
Typo: Functional Block Diagram on
page 2.
−
Typo: Pin 64 in Table 1-1& TAC Figure 5-1
on page 22, Pins 38/40 & 44/46 in
Table 1-1.
0
143947
43428
February 2007
Converting to Data Sheet. Removed
‘Proprietary and Confidential’ footer.
Updated AC Electrical Characteristics
table. Added junction - board thermal
resistance parameter to 6.3 Packaging
Data. Added section 6.4 Marking
Diagram.
GS2975A HD-LINX® III Multi-Rate SDI Automatic
Reclocker with Dual Differential Outputs
Data Sheet
2 of 27
41487 - 4
April 2009
GENNUM [ GENNUM CORPORATION ]
