Lattice Semiconductor
99
Data Sheet
November 2006
ORCA Series 3C and 3T FPGAs
Electrical Characteristics
Table 37. Electrical Characteristics
OR3Cxx Commercial: VDD = 5.0 V ± 5%, 0 °C < TA < 70 °C; Industrial: VDD = 5.0 V ± 10%, –40 °C < TA < +85 °C.
OR3Txxx Commercial: VDD = 3.0 V to 3.6 V, 0 °C < TA < 70 °C; Industrial: VDD = 3.0 V to 3.6 V, –40 °C < TA < +85 °C.
Parameter
Sym-
bol
Test Conditions
OR3Cxx
OR3Txxx
Unit
Min
Max
Min
Max
Input Voltage:
High
Low
VIH
VIL
Input congured as CMOS
(includes OR3Txxx)
50%
VDD
GND – 0.5
VDD + 0.5
20%
VDD
50%
VDD
GND – 0.5
VDD + 0.5
30%
VDD
V
Input Voltage:
High
Low
VIH
VIL
OR3Txxx 5 V Tolerant
—
50%
VDD
GND – 0.5
5.8 V
30%
VDD
V
Input Voltage:
High
Low
VIH
VIL
Input congured as TTL
(not valid for OR3Txxx)
2.0
–0.5
VDD + 0.3
0.8
—
V
Output Voltage:
High
Low
VOH
VOL
VDD = min, IOH = 6 mA or 3 mA
VDD = min, IOL = 12 mA or 6 mA
2.4
—
0.4
2.4
—
0.4
V
Input Leakage Current
IL
VDD = max, VIN = VSS or VDD
–10
10
–10
10
A
Standby Current:
OR3T20
OR3T30
OR3T55
OR3C/T80
OR3T125
IDDSB
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
internal oscillator running, no out-
put loads, inputs VDD or GND
(after conguration)
—
4.06
4.56
—
4.70
4.90
5.30
5.80
6.70
mA
Standby Current:
OR3T20
OR3T30
OR3T55
OR3C/T80
OR3T125
IDDSB
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
internal oscillator stopped, no
output loads, inputs VDD or GND
(after conguration)
—
3.05
3.42
—
3.52
3.68
3.98
4.35
5.02
mA
Powerup Current:
OR3T20
OR3T30
OR3T55
OR3C/T80
OR3T125
Ipp
Power supply current @ approxi-
mately 1 V, within a recommended
power supply ramp rate of
1 ms—200 ms
—
3.2
5.4
—
1.2
1.6
2.7
4.0
6.5
—
mA
Data Retention Voltage
VDR
TA = 25 °C
2.3
—
2.3
—
V
Input Capacitance
CIN
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
Test frequency = 1 MHz
—9—
8
pF
Output Capacitance
COUT
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
Test frequency = 1 MHz
—9—
8
pF
Select
devices
have
been
discontinued.
See
Ordering
Information
section
for
product
status.