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AL(5) File Formats AL(5)

NAME

al - Alliance logical format

ORIGIN

This software belongs to the ALLIANCE CAD SYSTEM developed by the ASIM team at LIP6 laboratory of Université Pierre et Marie CURIE, in Paris, France.

Web : http://asim.lip6.fr/recherche/alliance/
E-mail : alliance-users@asim.lip6.fr

DESCRIPTION

The .al format is the ALLIANCE format for the logical view of a cell. We give below the BNF description of the format :

file ::=

version
header
connectors
instances
transistors
signals
crosstalk_capacitances
end_of_file version ::= 'V ALLIANCE : ' version_number header ::= 'H ' name ',' file_type ',' date
/// name : name of the figure
/// date : saving file date connectors ::= { connector } connector ::= 'C ' name ',' connector_direction ','
connector_type ',' net_num [list_of_physical_node] list_of_physical_node ::= { ',' node_num } instances ::= { instance connectors }
/// An instance is followed by his connectors instance ::= 'I ' model_name ',' instance_name transistors ::= { transistor } transistor ::= 'T' type ',' lenght ',' width ',' drain ','
grid ',' source ',' bulk ',' xs ',' xd ',' ps ',' pd
',' x ',' y [ ',' node_drain ',' node_grid ','
node_source ',' node_bulk ] ',' trname

/// drain : number of the net connected to the drain
/// grid : number of the net connected to the grid
/// source : number of the net connected to the source
/// bulk : number of the net connected to the bulk
/// xs, xd : To compute respectivly the source and
/// drain area
/// ps, pd : perimeter of the source and drain
/// x, y : coordinate of the transistor in a layout
/// node_drain : number of the node connected to the drain
/// node_grid : number of the node connected to the grid
/// node_source : number of the node connected to the source
/// node_bulk : number of the node connected to the bulk signals ::= { signal } signal := sig_index [ { resistance } ] [ { capacitance } ] sig_index ::= 'S ' net_num ',' signal_type [ list_of_signal_name ] list_of_signal_name ::= { ',' signal_name } resistance := 'R ' layer ',' node1 ',' node2 ',' resi ',' capa ','
x ',' y ',' dx ',' dy capacitance := 'Q ' capa
/// Each resistance is describe as a resistor beetwen two nodes
/// connected to the ground with capacitor with a value of capa/2.
/// Capacitance is the entire capacitance of the net to ground. crosstalk_capacitances ::= { crosstalk_capacitance } crosstalk_capacitance ::= K capa ',' sig1 ',' node1 ',' sig2 ',' node2 end_of_file ::= 'EOF' version_number ::= number file_type ::= 'L' date ::= day '/' month '/' year connector_direction ::= 'IN' | 'OUT' | 'INOUT' | 'UNKNOWN' |
'TRISTATE' | 'TRANSCV'
/// in : input
/// out : output
/// inout : input and output
/// unknown : no information is available
/// tristate : tristate output
/// transcv : tristate output and input connector_type ::= 'EXTERNAL' | 'INTERNAL' net_num ::= number node_num ::= number model_name ::= name instance_name ::= name type ::= 'N' | 'P' lenght ::= float width ::= float drain ::= net_num grid ::= net_num source ::= net_num bulk ::= net_num node1 ::= node_num node2 ::= node_num sig1 ::= net_num sig2 ::= net_num xs ::= float xd ::= float ps ::= float pd ::= float x ::= float y ::= float dx ::= float dy ::= float trname :: name layer ::= 'X' | 'PY' | 'A1' | 'A2' | 'CY' | 'CN' | 'CP' | 'CV'
| 'CW' | 'CA' | 'RE'
signal_type ::= 'EXTERNAL' | 'INTERNAL' capa ::= float resi ::= float signal_name ::= name number ::= { '0' | '1'| '2' | '3' | '4' | '5' |
'6' | '7'| '8' | '9' } float ::= number [ '.' number ] name ::= word

EXAMPLES

Example 1

This example is the representation of a nand whith two input, extracted with Lynx at transistor level.

V ALLIANCE : 6
H na2_y,L,29/ 3/99
C vss,UNKNOWN,EXTERNAL,2,1,9
C vdd,UNKNOWN,EXTERNAL,1,9,13
C i1,UNKNOWN,EXTERNAL,6,1,8
C i0,UNKNOWN,EXTERNAL,5,2,8
C f,UNKNOWN,EXTERNAL,3,1,11
T P,1,12,1,5,3,1,2,2,28,28,17,32.5,4,3,7,3,tr_00004
T P,1,12,3,6,1,1,2,2,28,28,11,32.5,7,7,1,2,tr_00003
T N,1,12,3,5,4,2,2,2,28,28,17,12.5,3,1,1,8,tr_00002
T N,1,12,4,6,2,2,2,2,28,28,11,12.5,1,2,2,5,tr_00001
S 6,EXTERNAL,i1
Q 0.020455
W 4,3,CV,0,0,7.2,17.6,0,0
W 6,5,CV,0,0,6.4,22.4,0,0
W 5,8,A2,0.4,0.00408,6.4,22.4,1.6,13.6
W 1,5,A2,0.6,0.006,6.4,2.4,1.6,20
W 3,6,A1,0.3,0.00168,6.4,17.6,1.6,4.8
W 4,7,PY,500,0.00315,8.8,17.6,0.8,8.4
W 2,4,PY,450,0.00285,8.8,10,0.8,7.6
S 5,EXTERNAL,i0
Q 0.020455
W 5,4,CV,0,0,15.2,17.6,0,0
W 7,6,CV,0,0,16,22.4,0,0
W 6,8,A2,0.4,0.00408,16,22.4,1.6,13.6
W 2,6,A2,0.6,0.006,16,2.4,1.6,20
W 4,7,A1,0.3,0.00168,16,17.6,1.6,4.8
W 5,3,PY,500,0.00315,13.6,17.6,0.8,8.4
W 1,5,PY,450,0.00285,13.6,10,0.8,7.6
S 4,INTERNAL
Q 0
S 3,EXTERNAL,f
Q 0.021985
W 3,4,CV,0,0,16,10.4,0,0
W 6,5,CV,0,0,11.2,17.6,0,0
W 8,7,CV,0,0,11.2,23.2,0,0
W 9,7,CV,0,0,11.2,28,0,0
W 5,11,A2,0.55,0.00552,11.2,17.6,1.6,18.4
W 1,5,A2,0.45,0.00456,11.2,2.4,1.6,15.2
W 10,9,A1,0.2,0.00126,11.2,24.4,1.6,3.6
W 8,10,A1,0,0.00042,11.2,23.2,1.6,1.2
W 6,8,A1,0.7,0.00161,11.2,17.6,0.8,5.6
W 2,6,A1,0.9,0.00207,11.2,10.4,0.8,7.2
W 2,4,A1,0.6,0.00138,11.2,10.4,4.8,0.8
S 2,EXTERNAL,vss
Q 0.0245
W 4,3,CV,0,0,6.4,1.6,0,0
W 7,6,CV,0,0,11.2,1.6,0,0
W 11,10,CV,0,0,16,1.6,0,0
W 3,2,CV,0,0,6.4,6.4,0,0
W 12,2,CV,0,0,6.4,10.4,0,0
W 3,12,A1,0.4,0.00224,6.4,4,1.6,6.4
W 10,9,A1,0,0.00174,16,4,2.4,6.4
W 6,10,A1,0,0.00348,11.2,4,4.8,6.4
W 3,6,A1,0,0.00348,6.4,4,4.8,6.4
W 1,3,A1,0,0.00174,4,4,2.4,6.4
S 1,EXTERNAL,vdd
Q 0.02846
W 5,1,CV,0,0,6.4,26.4,0,0
W 6,4,CV,0,0,16,26.4,0,0
W 7,1,CV,0,0,6.4,29.6,0,0
W 8,4,CV,0,0,16,29.6,0,0
W 14,10,CV,0,0,6.4,36,0,0
W 15,11,CV,0,0,11.2,36,0,0
W 16,12,CV,0,0,16,36,0,0
W 7,10,A1,0.3,0.00168,6.4,29.6,1.6,4.8
W 5,7,A1,0.2,0.00112,6.4,26.4,1.6,3.2
W 8,12,A1,0.3,0.00168,16,29.6,1.6,4.8
W 6,8,A1,0.2,0.00112,16,26.4,1.6,3.2
W 12,13,A1,0,0.00174,16,34.4,2.4,6.4
W 9,10,A1,0,0.00174,4,34.4,2.4,6.4
W 11,12,A1,0,0.00348,11.2,36,4.8,6.4
W 10,11,A1,0,0.00348,6.4,36,4.8,6.4
K 0.00213,1,1,2,1
K 0.00454,5,6,2,1
K 0.00199,6,8,2,1
EOF

Example 2

This example is a xor designed with three cells.

V ALLIANCE : 6
H gxor,L,29/ 3/99
C vss,UNKNOWN,EXTERNAL,4,1,2,9,10
C vdd,UNKNOWN,EXTERNAL,6,1,2,10,3
C s,UNKNOWN,EXTERNAL,8,2
C b,UNKNOWN,EXTERNAL,5,5
C a,UNKNOWN,EXTERNAL,3,1
I ndrvp_y,auxsc3
C vss,UNKNOWN,INTERNAL,4,8,9
C vdd,UNKNOWN,INTERNAL,6,9,10
C i,UNKNOWN,INTERNAL,5,4,9
C f,UNKNOWN,INTERNAL,7,8,12
I mx2_y,s
C vss,UNKNOWN,INTERNAL,4,4,8
C vdd,UNKNOWN,INTERNAL,6,5,9
C t,UNKNOWN,INTERNAL,8,1,3
C l1,UNKNOWN,INTERNAL,7,1,11
C l0,UNKNOWN,INTERNAL,2,4,8
C i1,UNKNOWN,INTERNAL,3,11,13
C i0,UNKNOWN,INTERNAL,5,1,8
I ndrvp_y,auxsc1
C vss,UNKNOWN,INTERNAL,4,2,3
C vdd,UNKNOWN,INTERNAL,6,2,4
C i,UNKNOWN,INTERNAL,3,10,12
C f,UNKNOWN,INTERNAL,2,1,7
S 8,EXTERNAL,s
Q 0.0072
W 2,1,A2,0.55,0.00528,79.2,0,1.6,17.6
S 7,INTERNAL,auxsc3
Q 0.02142
W 3,2,CV,0,0,64.8,8.8,0,0
W 5,4,CV,0,0,74.4,8.8,0,0
W 7,6,CV,0,0,74.4,12.8,0,0
W 10,9,CV,0,0,88.8,12.8,0,0
W 9,8,A2,0.15,0.00144,88.8,12.8,1.6,4.8
W 6,10,A1,1.8,0.00414,74.4,12.8,14.4,0.8
W 4,7,A2,0.1,0.0012,74.4,8.8,1.6,4
W 2,1,A2,0.25,0.00264,64.8,8.8,1.6,8.8
W 3,5,A1,1.2,0.00276,64.8,8.8,9.6,0.8
S 6,EXTERNAL,vdd
Q 0.05453
W 7,6,CV,0,0,37.6,48,0,0
W 8,6,CV,0,0,37.6,51.2,0,0
W 6,5,A1,0.1,0.00754,37.6,49.6,10.4,6.4
W 4,6,A1,0,0.0029,33.6,49.6,4,6.4
W 8,3,A2,0.05,0.00203,37.6,51.2,3.2,5.6
W 7,8,A2,0.05,0.00116,37.6,48,3.2,3.2
W 1,7,A2,0.75,0.0174,37.6,0,3.2,48
S 5,EXTERNAL,b
Q 0.02922
W 3,2,CV,0,0,50.4,4.8,0,0
W 7,6,CV,0,0,98.4,4.8,0,0
W 6,4,A2,0.4,0.00384,98.4,4.8,1.6,12.8
W 5,6,A2,0.15,0.00144,98.4,0,1.6,4.8
W 2,1,A2,0.4,0.00384,50.4,4.8,1.6,12.8
W 3,7,A1,6,0.0138,50.4,4.8,48,0.8
S 4,EXTERNAL,vss
Q 0.05453
W 6,5,CV,0,0,44,17.6,0,0
W 6,7,CV,0,0,44,20.8,0,0
W 7,10,A2,0.55,0.01305,44,20.8,3.2,36
W 1,5,A2,0.25,0.00638,44,0,3.2,17.6
W 5,7,A2,0.05,0.00116,44,17.6,3.2,3.2
W 6,4,A1,0,0.0029,44,19.2,4,6.4
W 3,6,A1,0.1,0.00754,33.6,19.2,10.4,6.4
S 3,EXTERNAL,a
Q 0.03282
W 3,2,CV,0,0,16.8,8.8,0,0
W 5,4,CV,0,0,60,8.8,0,0
W 7,6,CV,0,0,60,12.8,0,0
W 9,8,CV,0,0,69.6,12.8,0,0
W 8,11,A2,0.15,0.00144,69.6,12.8,1.6,4.8
W 6,9,A1,1.2,0.00276,60,12.8,9.6,0.8
W 4,7,A2,0.1,0.0012,60,8.8,1.6,4
W 2,10,A2,0.25,0.00264,16.8,8.8,1.6,8.8
W 1,2,A2,0.25,0.00264,16.8,0,1.6,8.8
W 3,5,A1,5.4,0.01242,16.8,8.8,43.2,0.8
S 2,INTERNAL,auxsc1
Q 0.0225
W 3,2,CV,0,0,7.2,12.8,0,0
W 6,5,CV,0,0,55.2,12.8,0,0
W 5,4,A2,0.15,0.00144,55.2,12.8,1.6,4.8
W 2,1,A2,0.15,0.00144,7.2,12.8,1.6,4.8
W 3,6,A1,6,0.0138,7.2,12.8,48,0.8
S 1,INTERNAL,implicit
Q 0
EOF

SEE ALSO

mbk(3)

BUG REPORT

This tool is under development at the ASIM department of the LIP6 laboratory.
We need your feedback to improve documentation and tools.

October 1, 1997 Release 5.0 ASIM/LIP6