Density and logic fabric sizing
The XC7S15-1CPGA196C packs 12,800 logic cells (1000 LABs/CLBs) and 368,640 total RAM bits, placing it at the lower end of the Spartan-7 family for combinatorial and sequential logic density. For a glue-logic consolidation or a moderate state-machine design, this count provides room for a soft-core microcontroller plus peripheral logic without exhausting the fabric. The 100 user I/O on the 196-CSPBGA package give a 51% I/O-to-cell ratio, which is generous for the logic density — the bottleneck is likely the fabric utilisation, not the pin count, in most control-path applications.
Housed in a 196-ball CSPBGA (8x8 mm), the XC7S15-1CPGA196C requires a surface-mount reflow profile and a multi-layer PCB for fan-out of the 0.5 mm pitch balls. The 0.95 V to 1.05 V core supply needs a dedicated rail with tight regulation — a 1.0 V LDO or switching regulator with <3% accuracy keeps the core within spec across load transients. The commercial temperature grade (0°C to 85°C junction) limits this variant to indoor, controlled-environment equipment — not suitable for extended outdoor or under-hood deployment without active thermal management.
Lifecycle and sourcing posture
No additional compliance documentation (REACH, UL, IEC) is explicitly listed in the manufacturer record.