lc51024vg Lattice Semiconductor Corp., lc51024vg Datasheet - Page 35

• Manufacturer Part Number: lc51024vg
• Description: 3.3v In-system Programmable Superbig, Superwide High Density Plds Tm Tm
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Power Consumption
Power Estimation Coefficients
The device power, I
I
Each term in I
where:
I
value of I
DEVICE
CC
ispMACH 5128B
ispMACH 5256B
ispMACH 5384B
ispMACH 5512B
Note: For further information about the use of these coefficients, refer to Lattice technical note number TN1023, Power Estimation in ispMACH
5000B Devices.
estimates are based on typical conditions (V
Device
= I
I
I
PT
PT
F
K0 = average current per product term in high power/MHz
K1 = average current per product term in low power/MHz
K2 = average current per GRP line/MHz
K3 = DC current per product term in high power
K4 = DC current per product term in low power
I
I
DEVICE-AC
DEVICE-DC
DC
DCO
CC
AVE
DEVICE-AC
HP
LP
= Static Device Current
is sensitive to operating conditions and the program in the device, the actual I
= Static I/O Bank Current
= Average output frequency of switching product terms in MHz
= Number of product terms in low power
DEVICE
= Number of product terms in high power
= F
= K3 * PT
DEVICE,
0.0055
0.0055
0.0055
0.0055
+ I
is further defined as:
AVE
K0
DEVICE-DC
600
500
400
300
200
100
Note: The devices are configured with maximum number of
16-bit counters, typical current at 2.5V, 25°C.
[(K0 * PT
0
is calculated from the following equation:
0
ispMACH 5000B Typical I
HP
+ K4 * PT
50
0.0055
0.0055
0.0055
0.0055
HP
K1
) + (K1 * PT
100
LP
+ I
f
MAX
DC
150
0.0065
0.005
0.005
0.008
CC
(MHz)
CC
LP
K2
+ I
) + K2 * GRP
vs. Frequency
= 2.5V, 25°C). These values are for estimates only. Since the
DCO
200
35
ispMACH 5512B (High Power Mode)
ispMACH 5512B (Low Power Mode)
250
0.2215
0.2215
0.2215
0.273
ispMACH 5384B (High Power Mode)
ispMACH 5384B (Low Power Mode)
ispMACH 5256B (Low Power Mode)
ispMACH 5256B (High Power Mode)
K3
LINES
ispMACH 5128B (High Power Mode)
ispMACH 5128B (Low Power Mode)
300
ispMACH 5000B Family Data Sheet
)]
0.091
0.075
0.075
0.075
K4
I
CC
DC
10.6
10.5
18.4
22.9
(mA)
should be verified.
I
DCO
1.2
1.2
1.2
1.2
(mA)