A54SX08A-FTQ100 MICROSEMI, A54SX08A-FTQ100 Datasheet - Page 6

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A54SX08A-FTQ100

Manufacturer Part Number
A54SX08A-FTQ100
Description
Manufacturer
MICROSEMI
Datasheet

Specifications of A54SX08A-FTQ100

Family Name
SX-A
Number Of Usable Gates
8000
Number Of Logic Blocks/elements
768
# Registers
512
# I/os (max)
81
Frequency (max)
172MHz
Process Technology
0.25um/0.22um (CMOS)
Operating Supply Voltage (typ)
2.5V
Logic Cells
512
Device System Gates
12000
Propagation Delay Time
1.7ns
Operating Supply Voltage (min)
2.25V
Operating Supply Voltage (max)
2.75V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
100
Package Type
TQFP
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
A54SX08A-FTQ100
Manufacturer:
Microsemi SoC
Quantity:
10 000
Logic Module Design
The SX-A family architecture is described as a “sea-of-
modules” architecture because the entire floor of the
device is covered with a grid of logic modules with
virtually no chip area lost to interconnect elements or
routing. The Actel SX-A family provides two types of
logic modules: the register cell (R-cell) and the
combinatorial cell (C-cell).
The R-cell contains a flip-flop featuring asynchronous clear,
asynchronous preset, and clock enable, using the S0 and S1
lines control signals
programmable clock polarity selectable on a register-by-
register basis. This provides additional flexibility while
allowing mapping of synthesized functions into the SX-A
FPGA. The clock source for the R-cell can be chosen from
either the hardwired clock, the routed clocks, or internal
logic.
The C-cell implements a range of combinatorial functions
of up to five inputs
and its associated inverter function allows up to 4,000
Figure 1-2 • R-Cell
Figure 1-3 • C-Cell
1 -2
SX-A Family FPGAs
(Figure
(Figure
1-2). The R-cell registers feature
1-3). Inclusion of the DB input
DirectConnect
Internal Logic
DB
D0
D1
D2
D3
CLKA,
HCLK
CLKB,
Input
CKS
S0
Data Input
Routed
A0 B0
v5.3
Sa
different combinatorial functions to be implemented in a
single module. An example of the flexibility enabled by
the inversion capability is the ability to integrate a 3-input
exclusive-OR function into a single C-cell. This facilitates
construction of 9-bit parity-tree functions with 1.9 ns
propagation delays.
Module Organization
All C-cell and R-cell logic modules are arranged into
horizontal banks called Clusters. There are two types of
Clusters: Type 1 contains two C-cells and one R-cell, while
Type 2 contains one C-cell and two R-cells.
Clusters are grouped together into SuperClusters
(Figure 1-4 on page
grouping of Type 1 Clusters. SuperCluster 2 is a two-wide
group containing one Type 1 Cluster and one Type 2
Cluster. SX-A devices feature more SuperCluster 1
modules than SuperCluster 2 modules because designers
typically require significantly more combinatorial logic
than flip-flops.
CKP
S1
A1 B1
D Q
CLR
PRE
Sb
Y
1-3). SuperCluster 1 is a two-wide
Y

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