iCE65L01F-LQN84C Lattice, iCE65L01F-LQN84C Datasheet - Page 9
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iCE65L01F-LQN84C
Manufacturer Part Number
iCE65L01F-LQN84C
Description
FPGA - Field Programmable Gate Array iCE65 1280 LUTs, 1.0 1.2V Ultra Low-Power
Manufacturer
Lattice
Datasheet
1.ICE65L04F-TCB196C.pdf
(110 pages)
Specifications of iCE65L01F-LQN84C
Rohs
yes
Number Of Gates
1280
Number Of Logic Blocks
16
Number Of I/os
67
Maximum Operating Frequency
256 MHz
Operating Supply Voltage
1.2 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
QFN-84
Distributed Ram
64 Kbit
Minimum Operating Temperature
0 C
Operating Supply Current
12 uA
Factory Pack Quantity
260
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ICE65L01F-LQN84C
Manufacturer:
INFINEON
Quantity:
5 100
- Current page: 9 of 110
- Download datasheet (3Mb)
Lattice Semiconductor Corporation
www.latticesemi.com
Implementing Subtracters, Decrementers
As mentioned earlier, the Carry Logic generates a High output whenever the sum of I1 + I2 + CARRY_IN
generates a carry. The Carry Logic does not specifically have a subtract mode. To implement a subtract function or
decrement function, logically invert either the I1 or I2 input and invert the initial carry input. This performs a 2s
complement subtract operation.
CARRY_IN
GND
GND
A[1]
B[1]
A[0]
B[0]
I0
I1
I2
I3
I0
I1
I2
I3
I0
I1
I2
I3
Figure 6: Two-bit Adder Example
Carry
Logic
Carry
Logic
LUT4
LUT4
LUT4
CARRY_OUT
SUM[1]
SUM[0]
(2.42, 30-MAR-2011)
9
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