S-25A010A

      The S-25A010A/020A/040A are high-speed, SPI serial E2 PROMs that operate over a wide range, low-power-consumption, whose capacities are 1 Kbit, 2 Kbits, and 4 Kbits, and their organizations are 128 words × 8 bits, 256 words × 8 bits, and 512 words  × 8 bits, respectively.
      The parameters of S-25A010A/020A/040A are operation frequency(Read: 2.5 V to 5.5 V; Write: 2.5 V to 5.5 V),  Operation frequency(6.5 MHz (4.5 V to 5.5 V, at -40°C to +125°C)), SPI mode (0, 0) and (1, 1), Page Write   16 bytes / page,  Sequential read,  Monitors Write to the memory by a status register, Write protect(Software, Hardware), Protect area(25%, 50%, 100%), Write protect function during the low power supply, Function to prevent malfunction by monitoring clock pulse, CMOS schmitt input (CS , SCK, SI, WP , HOLD), Endurance(106 cycles/word*1(at +85°C); 8 × 105 cycles/word*1(at +105°C); 5 × 105 cycles/word*1(at +125°C)), *1:For each address (Word: 8-bit)), Data retention(100 years (at +25°C), 50 years (at +125°C),  Memory capacitance(S-25A010A  1 Kbit; S-25A020A 2 Kbits; S-25A040A 4 Kbits),  Data before shipment(Memory array FFh, BP1 = 0, BP0 = 0), Lead-free product.
      The highest ratings of S-25A010A/020A/040A are VCC(Power supply voltage, -0.3 to +7.0 ), VIN(Input voltage, -0.3 to +7.0 ), VOUT(Output voltage, -0.3 to VCC + 0.3), Top(Operating ambient temperature, -40 to +125), Tstg(Storage temperature, -65 to +150), Input pulse voltage (0.2×VCC to 0.8×Vcc), Output reference voltage(0.5 × VCC), Output load(100 pF).