EPCS4SI8N 4Mbit Serial Configuration Flash – SPI Interface, Ideal for FPGA Configuration, Embedded Systems & Industrial Electronics, Compact SOIC-8 Package, Reliable Data Storage for Professional Appl
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Integrated Circuits ICs
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T/T
Specifications
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Introduction
EPCS4SI8N
The EPCS4SI8N is a high-reliability serial configuration PROM (Programmable Read-Only Memory) designed by ALTERA (now part of Intel's Programmable Solutions Group), optimized for storing configuration data for ALTERA FPGAs (Field-Programmable Gate Arrays) such as the Cyclone® and Stratix® families. With a 4-megabit (4Mb, equivalent to 512KB) storage capacity, it leverages a low-pin-count SPI (Serial Peripheral Interface) for seamless data transfer, making it ideal for space-constrained, low-power embedded systems requiring reliable FPGA configuration.
Core Functional Characteristics
- 4Mb Configuration Storage Capacity: Provides 4,194,304 bits (512KB) of non-volatile storage, sufficient to hold configuration data for mid-range ALTERA FPGAs.
- SPI Serial Interface: Utilizes a 4-wire SPI interface for high-speed data transfer, reducing PCB pin count compared to parallel PROMs.
- ALTERA FPGA Compatibility: Natively designed to work with ALTERA's FPGA configuration architecture, including support for Cyclone and Stratix families.
- Non-Volatile & Rewritable: Uses CMOS flash memory technology for non-volatile data retention (100+ years typical) and supports up to 100,000 program/erase cycles.
Electrical Performance
Power & Voltage Ratings
| Supply Voltage (VCC) | 2.7 V to 3.6 V |
| Standby Current (ICC_STBY) | 1 μA typical (at 3.3 V, 25°C) |
| Active Current (ICC_ACTIVE) | 5 mA typical (at 3.3 V, 50 MHz SPI clock) |
Interface & Speed Characteristics
| SPI Clock Frequency | Maximum 100 MHz (read operation); 50 MHz (program/erase operations) |
| Configuration Time | 10 ms typical (for a 4Mb configuration file at 50 MHz SPI clock) |
| Data Retention | Minimum 100 years (at 85°C); 20 years (at 125°C) |
Physical & Mechanical Characteristics
Package Specifications
| Package Type | 8-pin SOIC (Small Outline Integrated Circuit), 150 mil (3.81 mm) width |
| Package Dimensions | 4.90 mm * 3.81 mm * 1.50 mm (length * width * height) |
| Lead Plating | Tin-lead (Sn-Pb) or lead-free (Sn) options, compliant with RoHS directives |
Mechanical Durability
| Operating Temperature Range | Industrial grade: -40°C to +85°C; Commercial grade: 0°C to +70°C |
| Storage Temperature Range | -65°C to +150°C |
| Humidity Resistance | 95% relative humidity (RH), 40°C ± 2°C, for 1000 hours |
| ESD Protection | Human Body Model (HBM): 2 kV; Machine Model (MM): 200 V |
Typical Applications
- Industrial Control: FPGA-based PLCs, motor drives, and sensor data acquisition systems
- Communications Equipment: Wireless routers, Ethernet switches, and optical transceivers
- Embedded Systems: Single-board computers (SBCs), IoT gateways, and wearable devices
- Test & Measurement: Oscilloscopes, signal generators, and data loggers
- Automotive Electronics: Infotainment systems and ADAS (non-critical zones)
The EPCS4SI8N excels in reliable, compact FPGA configuration storage, combining 4Mb capacity, SPI interface efficiency, and ALTERA FPGA compatibility. It is a trusted solution for embedded systems requiring low-power, space-saving, and field-updatable FPGA configuration.
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