A3P015-1FG144 ACTEL [Actel Corporation], A3P015-1FG144 Datasheet - Page 18
A3P015-1FG144
Manufacturer Part Number
A3P015-1FG144
Description
ProASIC3 Flash Family FPGAs
Manufacturer
ACTEL [Actel Corporation]
Datasheet
1.A3P015-1FG144.pdf
(206 pages)
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ProASIC3 DC and Switching Characteristics
Figure 2-1 • I/O State as a Function of V
2 -4
Deactivation trip point:
Activation trip point:
V
V
d
a
= 0.85 V ± 0.25 V
= 0.75 V ± 0.25 V
V
V
CC
CC
= 1.575 V
= 1.425 V
Power-Up/-Down Behavior of Low-Power Flash Devices
on clock and lock recovery.
Internal Power-Up Activation Sequence
Output buffers, after 200 ns delay from input buffer activation
1. Core
2. Input buffers
V
CC
Region 1: I/O Buffers are OFF
Deactivation trip point:
V
where VT can be from 0.58 V to 0.9 V (typically 0.75 V)
Activation trip point:
CC
V
V
= V
a
d
= 0.9 V ± 0.3 V
= 0.8 V ± 0.3 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
CCI
buffers do not meet V
meet V
and V
same reason, input buffers do not
below specification. For the
IH
/V
CC
but slower because V
IL
(except differential
(except differential inputs)
levels, and output
CCI
Voltage Levels
IH
v1.3
/V
/V
I/Os are functional
I/Os are functional
CC
IL
buffers are ON.
buffers are ON.
OH
levels, and
are below
Region 4: I/O
Region 4: I/O
OH
/V
Min V
standard; i.e., 1.425 V or 1.7 V
OL
/V
OL
levels.
voltage at a selected I/O
levels.
CCI
or 2.3 V or 3.0 V
CCI
datasheet specification
is
chapter of the handbook for information
speed, V
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
Region 5: I/O buffers are ON
and power supplies are within
specification.
I/Os meet the entire datasheet
and timer specifications for
CC
is below specification.
IH
/V
IL
, V
OH
/V
OL
, etc.
V
CCI
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