11274-001 AMI Semiconductor, Inc., 11274-001 Datasheet - Page 13

• Manufacturer Part Number: 11274-001
• Description: Logic and Timing, Programmable Line Lock Clock Generator IC, Tape and Reel
• Manufacturer: AMI Semiconductor, Inc.

Table 4: Device Configuration Bits
FBKDSRC[1:0]
OUTMUX[1:0]
(Bits 39-38)
(Bits 47-46)
REFDSRC
OSCTYPE
PDREF
PDFBK
(Bit 12)
(Bit 13)
(Bit 14)
(Bit 15)
EXTLF
(Bit 42)
(Bit 45)
(Bit 48)
(Bit 60)
CMOS
NAME
SHUT
GBL
REFerence Divider SouRCe
Bit = 0
Bit = 1
main loop SHUT down select
Bit = 0
Bit = 1
Phase Detector REFerence source
Bit = 0
Bit = 1
Phase Detector FeedBacK source
Bit = 0
Bit = 1
FeedBacK Divider SouRCe
Bit 39 = 0
Bit 38 = 0
Bit 39 = 0
Bit 38 = 1
Bit 39 = 1
Bit 38 = 0
Bit 39 = 1
Bit 38 = 1
EXTernal Loop Filter select
Bit = 0
Bit = 1
OSCillator TYPe
Bit = 0
Bit = 1
OUTput MUltipleXer select
Bit 47 = 0
Bit 46 = 0
Bit 47 = 0
Bit 46 = 1
Bit 47 = 1
Bit 46 = 0
Bit 47 = 1
Bit 46 = 1
clock GobBLer control
Bit = 0
Bit = 1
CLKP/CLKN output mode
Bit = 0
Bit = 1
Crystal Oscillator (VCXO)
REF pin
Disabled (main loop operates)
Enabled (main loop shuts down)
Reference Divider
REF pin
Feedback Divider
FBK pin
Post Divider Output
FBK pin
VCO Output (Post Divider Input)
FBK pin
Internal Loop Filter
EXTLF pin
Low Phase Jitter Oscillator
FS6031 Compatible Oscillator
Main Loop PLL (VCO Output)
Reference Divider Output
Phase Detector Input
VCXO Output
No Clock Phase Adjust
Clock Phase Delay
PECL Output
(positive-ECL output drive)
CMOS Output /
Lock Status Indicator
DESCRIPTION
13
Table 5: LOCK/IPRG Pin Configuration Bits
Table 6: Lock Status
Table 7: Main Loop Tuning Bits
Programmable Line Lock Clock Generator IC
Programmable Line Lock Clock Generator IC
Programmable Line Lock Clock Generator IC
Programmable Line Lock Clock Generator IC
CMOS
(Bits 41-40)
1
1
MLCP[1:0]
(Bits 63-62)
STAT[1:0]
VCOSPD
(Bit 44)
(Bit 43)
NAME
LFTC
NAME
STAT
[1]
0
0
STAT
VCO SPeeD range select (see Table 16)
Bit = 0
Bit = 1
Main Loop Charge Pump current
Bit 41 = 0
Bit 40 = 0
Bit 41 = 0
Bit 40 = 1
Bit 41 = 1
Bit 40 = 0
Bit 41 = 1
Bit 40 = 1
Loop Filter Time Constant (internal)
Bit = 0
Bit = 1
[0]
crystal loop lock STATus mode /
main loop phase align STATus mode
(see also Table 6)
Bit 63 = 0
Bit 62 = 0
Bit 63 = 0
Bit 62 = 1
Bit 63 = 1
Bit 62 = 0
Bit 63 = 1
Bit 62 = 1
0
1
IPRG PIN
LOCK /
1
0
0
1
DESCRIPTION
High Speed Range
Low Speed Range
Current = 1.5 A
Current = 5 A
Current = 8 A
Current = 24 A
Short Time Constant: 13.5 s
Long Time Constant: 135 s
FS6131-01
FS6131-01
FS6131-01
FS6131-01
DESCRIPTION
Crystal Loop Lock status:
Locked or Unlocked
Crystal Loop Lock status:
Out of Range High or Low
Main Loop Phase Align status
Feedback Divider output
STAT[1]
READ
1
0
0
1
Locked
Unlocked
Out-of-
Range: Low
Out-of-
Range: High
STATUS