What this SRAM delivers on the bus
The 70V27L15PFG: 512Kbit volatile SRAM organized 32K×16, parallel access at 15 ns, 3V VDD. Rated 0°C to 70°C commercial temperature range.

IDT 70V27L15PFG, 512Kbit volatile SRAM, 15 ns parallel access, 3V VDD, 32K×16 organization, TQFP-100 surface-mount, commercial 0°C to 70°C, supplied in tray.
| Parameter | Value |
|---|---|
| Interface_type | Parallel |
| Mounting_type | Surface Mount |
| Operating temperature high | 0°C to 70°C (TA) |
| Frame_size | 512Kbit |
| Access time | 15 ns |
| Memory_type | Volatile |
| Package_type | Tray |
| Memory format | SRAM |
| Supply_voltage_v | 3 |
| Memory organization | 32K x 16 |
| Write cycle time - word, page | 15ns |
The 70V27L15PFG: 512Kbit volatile SRAM organized 32K×16, parallel access at 15 ns, 3V VDD. Rated 0°C to 70°C commercial temperature range.
Yes — the pinout, footprint, and 32K×16 organization are identical. The difference is the 15 ns access time (vs 20 ns) and the commercial temperature range (0°C to 70°C vs -40°C to 85°C). If the board's timing closure and thermal environment allow it, the swap is a straight BOM change.