GS2975A Datasheet, PDF (2/27 Pages) Gennum Corporation – HD-LINX® III Multi-Rate SDI Automatic Reclocker with Dual Differential Outputs

Functional Block Diagram
XTAL+ XTAL-
XTAL XTAL
OUT+ OUT-
LF+ LF- KBB
XTAL
OSC
BUFFER
DDI 0
D
DDI 1
A
T
A
DDI 2
M
U
X
DDI 3
DDI_SEL[1:0]
PHASE
FREQUENCY
M
DETECTOR
U
X
PHASE
DETECTOR
DIVIDER
CONTROL LOGIC
CHARGE
PUMP
RE-TIMER
M
U
X
VCO
DIVIDER
DATA BUFFER
M
U
CLOCK BUFFER
X
DDO 0
DDO_MUTE
RCO_MUTE
RCO/DDO1
DATA/CLOCK
BYPASS
LOGIC
SS[2:0]
AUTO/MAN SD/HD
GS2975A Functional Block Diagram
Revision History
LOCKED LOS
AUTOBYPASS
BYPASS
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
147068
–
August 2007
Typo: Functional Block Diagram on
page 2.
1
146316
−
July 2007
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
41487 - 4
April 2009
2 of 27