EPM7256BTC144-5 Altera, EPM7256BTC144-5 Datasheet - Page 55

• Manufacturer Part Number: EPM7256BTC144-5
• Description: MAX 7000/S/AE/B
• Manufacturer: Altera

Altera Corporation
The I
logic. The I
I
(A × MC
The parameters in this equation are:
MC
MC
MC
f
tog
A, B, C
This calculation provides an I
using a pattern of a 16-bit, loadable, enabled, up/down counter in each
LAB with no output load. Actual I
because this measurement is sensitive to the actual pattern in the device
and the environmental operating conditions.
CCINT
MAX
Table 33. MAX 7000B I
LC
TON
DEV
USED
CCINT
EPM7032B
EPM7064B
EPM7128B
EPM7256B
EPM7512B
=
TON
Device
= Number of macrocells with the Turbo Bit
= Number of macrocells in the device
= Total number of macrocells in the design, as reported in
= Highest clock frequency to the device
= Average percentage of logic cells toggling at each clock
= Constants, shown in
CCINT
value depends on the switching frequency and the application
) + [B × (MC
on, as reported in the MAX+PLUS II Report File (.rpt)
the Report File
(typically 12.5%)
value is calculated with the following equation:
CC
MAX 7000B Programmable Logic Device Data Sheet
DEV
Equation Constants
– MC
CC
0.91
0.91
0.91
0.91
0.91
estimate based on typical conditions
CC
A
TON
Table 33
should be verified during operation
)] + (C × MC
0.54
0.54
0.54
0.54
0.54
B
USED
TM
× f
option turned
MAX
0.010
0.012
0.016
0.017
0.019
× tog
C
55
LC
)