LCMXO256C-5TN100C LATTICE SEMICONDUCTOR, LCMXO256C-5TN100C Datasheet - Page 178
LCMXO256C-5TN100C
Manufacturer Part Number
LCMXO256C-5TN100C
Description
MACHXO PLD FLASH, SCRAM 1.8V, 256
Manufacturer
LATTICE SEMICONDUCTOR
Series
MachXOr
Datasheet
1.LCMXO1200C-5TN144C.pdf
(244 pages)
Specifications of LCMXO256C-5TN100C
Cpld Type
FLASH
No. Of Macrocells
128
No. Of I/o's
78
Propagation Delay
3.5ns
Global Clock Setup Time
1.3ns
Frequency
600MHz
Supply Voltage Range
1.71V To 3.465V
Operating
RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LCMXO256C-5TN100C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Figure 10-14. Primary Clock and Secondary Clock/CE/LSR Distribution
Maximum Number of Secondary Clocks Available
As illustrated in Figure Figure 10-14, there are four secondary clock nets in the clock distribution network but only
three of them are reaching the clock input mux at PFU. This limits the number of total secondary clocks available to
three.
Post Map Preference Editor Usage
Fine delay adjustment can be entered in the Post-Map Preference Editor after “Place and Run” to determine the
required timing for the system design.
The Clock Preference assignments are also entered in the Post-Map Preference Editor. Figure 10-15 shows an
example screen shot. To see a similar screen shot for Diamond design software, go to Appendix A, Figure 10-20.
Global Clocks
Global Clocks
From Routing
Outputs
From Routing
PLL
CLKOP
CLKOS
CLKOK
CLKOP
CLKOS
CLKOK
12
4
6
4
6
Secondary Clock/CE/LSR Net
Primary Clock Net
PCLK0
PCLK1
PCLK2
PCLK3
SCLK0/CE/LSR
SCLK1/CE/LSR
SCLK2/CE/LSR
SCLK3/CE/LSR
10-16
Primary Clock
Secondary Clock
Secondary Clock
Secondary Clock
Local
Local
/CE/LSR
/CE/LSR
/CE/LSR
Local
Design and Usage Guide
MachXO sysCLOCK PLL
3
4
3
3
CLK(0:3)
CE(0:3)
LSR(0:3)
PFU
PFU
PFU
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