Data Sheet
June 1999
ORCA Series 3C and 3T FPGAs
Electrical Characteristics
Table 37.
Electrical Characteristics
OR3Cxx Commercial: = 5.0 V ± 5%, 0 °C < TA < 70 °C; Industrial:
= 5.0 V ± 10%, –40 °C < TA < +85 °C.
= 3.0 V to 3.6 V, –40 °C < TA < +85 °C.
VDD
VDD
VDD
= 3.0 V to 3.6 V, 0 °C < TA < 70 °C; Industrial:
OR3Txxx Commercial:
VDD
OR3Cxx
Min Max
OR3Txxx
Min Max
Sym-
bol
Parameter
Test Conditions
Unit
Input Voltage:
High
Low
Input configured as CMOS
(includes OR3Txxx)
50% VDD VDD + 0.5 50% VDD VDD + 0.5
GND – 0.5 20% VDD GND – 0.5 30% VDD
V
V
VIH
VIL
Input Voltage:
High
Low
OR3Txxx 5 V Tolerant
—
—
—
—
50% VDD
5.8 V
VIH
VIL
V
V
GND – 0.5 30% VDD
Input Voltage:
High
Low
Input configured as TTL
(not valid for OR3Txxx)
VIH
VIL
2.0
–0.5
VDD +
0.8
0.3
—
—
—
—
V
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
V
Input Leakage Current
IL
VDD = max, VIN = VSS or VDD
–10
10
–10
10
µA
Standby Current:
OR3T20
OR3T30
OR3C/T55
OR3C/T80
OR3T125
IDDSB
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
—
—
—
—
—
—
—
4.06
4.56
—
—
—
—
—
—
4.70
4.90
5.30
5.80
6.70
mA
mA
mA
mA
mA
internal oscillator running, no out-
put loads, inputs VDD or GND
(after configuration)
Standby Current:
OR3T20
OR3T30
OR3C/T55
OR3C/T80
OR3T125
IDDSB
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
—
—
—
—
—
—
—
3.05
3.42
—
—
—
—
—
—
3.52
3.68
3.98
4.35
5.02
mA
mA
mA
mA
mA
internal oscillator stopped, no
output loads, inputs VDD or GND
(after configuration)
Powerup Current:
OR3T20
OR3T30
OR3C/T55
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
mA
mA
mA
mA
Data Retention Voltage
Input Capacitance
VDR
CIN
TA = 25 °C
2.3
—
—
9
2.3
—
—
8
V
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
pF
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
Test frequency = 1 MHz
Output Capacitance
COUT
OR3Cxx (TA = 25 °C,
VDD = 5.0 V)
—
9
—
8
pF
OR3Txxx (TA = 25 °C,
VDD = 3.3 V)
Test frequency = 1 MHz
Lucent Technologies Inc.
101
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