agl030 Actel Corporation, agl030 Datasheet - Page 19

• Manufacturer Part Number: agl030
• Description: Igloo Low-power Flash Fpgas With Flash*freeze Technology
• Manufacturer: Actel Corporation

Figure 2-2 • V2 Devices – I/O State as a Function of V
Deactivation trip point:
Activation trip point:
V
V
a
d
= 0.85 V ± 0.2 V
= 0.75 V ± 0.2 V
V
V
CC
CC
Thermal Characteristics
Introduction
The temperature variable in the Actel Designer software refers to the junction temperature, not
the ambient temperature. This is an important distinction because dynamic and static power
consumption cause the chip junction to be higher than the ambient temperature.
EQ 2-1
where:
T
ΔT = Temperature gradient between junction (silicon) and ambient ΔT = θ
θ
P = Power dissipation
= 1.575 V
= 1.14 V
A
ja
= Ambient Temperature
= Junction-to-ambient of the package. θ
T
J
V
= Junction Temperature = ΔT + T
CC
can be used to calculate junction temperature.
Region 1: I/O Buffers are OFF
V
where VT can be from 0.58 V to 0.9 V (typically 0.75 V)
Deactivation trip point:
Activation trip point:
CC
V
V
a
d
= V
= 0.9 V ± 0.15 V
= 0.8 V ± 0.15 V
CCI
+ VT
Region 1: I/O buffers are OFF
Region 2: I/O buffers are ON.
I/Os are functional (except differential inputs)
but slower because V
specification. For the same reason, input
buffers do not meet V
output buffers do not meet V
buffers do not meet V
meet V
same reason, input buffers do not
A
IH
below specification. For the
A dv a n c e v 0. 3
/V
but slower because V
IL
(except differential
(except differential inputs)
levels, and output
CCI
IH
/V
/V
CCI
I/Os are functional
I/Os are functional
CC
IL
ja
buffers are ON.
buffers are ON.
OH
levels, and
are below
standard; i.e., 1.14 V,1.425 V, 1.7 V,
and V
Region 4: I/O
Region 4: I/O
numbers are located in
OH
/V
Min V
OL
/V
OL
levels.
voltage at a selected I/O
levels.
CCI
CC
CCI
2.3 V, or 3.0 V
datasheet specification
Voltage Levels
is
Region 3: I/O buffers are ON.
I/Os are functional; I/O DC
specifications are met,
but I/Os are slower because
the V
speed, V
Region 5: I/O buffers are ON
and power supplies are within
specification.
I/Os meet the entire datasheet
and timer specifications for
CC
IGLOO DC and Switching Characteristics
is below specification.
IH
/V
IL
, V
Table 2-5 on page
OH
/V
OL
ja
, etc.
* P
2-6.
V
CCI
EQ 2-1
2 - 5