September 1997
1-175
© 1997 Actel Corporation
Accelerator Series FPGAs
– ACT
™
3 Family
Features
• Up to 10,000 Gate Array Equivalent Gates
(up to 25,000 equivalent PLD Gates)
• Highly Predictable Performance with 100% Automatic
Placement and Routing
• 7.5 ns Clock-to-Output Times
• Up to 250 MHz On-Chip Performance
• Up to 228 User-Programmable I/O Pins
• Four Fast, Low-Skew Clock Networks
• More than 500 Macro Functions
• Replaces up to twenty 32 macro-cell CPLDs
• Replaces up to one hundred 20-pin PAL
®
Packages
• Up to 1153 Dedicated Flip-Flops
• VQFP, TQFP, BGA, and PQFP Packages
• Nonvolatile, User Programmable
• Fully Tested Prior to Shipment
• 5.0V and 3.3V Versions
• Optimized for Logic Synthesis Methodologies
• Low-power CMOS Technology
Device A1415 A1425 A1440 A1460 A14100
Capacity
Gate Array Equivalent Gates
PLD Equivalent Gates
TTL Equivalent Packages (40 gates)
20-Pin PAL Equivalent Packages (100 gates)
1,500
3,750
40
15
2,500
6,250
60
25
4,000
10,000
100
40
6,000
15,000
150
60
10,000
25,000
250
100
Logic Modules
S-Module
C-Module
200
104
96
310
160
150
564
288
276
848
432
416
1,377
697
680
Dedicated Flip-Flops
1
264 360 568 768 1,153
User I/Os (maximum) 80 100 140 168 228
Packages
2
(by pin count)
CPGA
PLCC
PQFP
RQFP
VQFP
TQFP
BGA
CQFP
100
84
100
—
100
—
—
—
133
84
100, 160
—
100
—
—
132
175
84
160
—
100
176
—
—
207
—
160, 208
—
—
176
225
196
257
—
—
208
—
—
313
256
Performance
3
(maximum, worst-case commercial)
Chip-to-Chip
4
Accumulators (16-bit)
Loadable Counter (16-bit)
Prescaled Loadable Counters (16-bit)
Datapath, Shift Registers
Clock-to-Output (pad-to-pad)
108 MHz
63 MHz
110 MHz
250 MHz
250 MHz
7.5 ns
108 MHz
63 MHz
110 MHz
250 MHz
250 MHz
7.5 ns
100 MHz
63 MHz
110 MHz
250 MHz
250 MHz
8.5 ns
97 MHz
63 MHz
110 MHz
200 MHz
200 MHz
9.0 ns
93 MHz
63 MHz
105 MHz
200 MHz
200 MHz
9.5 ns
Notes:
1. One flip-flop per S-Module, two flip-flops per I/O-Module.
2. See product plan on page 1-178 for package availability.
3. Based on A1415A-3, A1425A-3, A1440B-3, A1460B-3, and A14100B-3.
4. Clock-to-Output + Setup
