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S-25A256B Dataheets PDF



Part Number S-25A256B
Manufacturers Seiko
Logo Seiko
Description OPERATION SPI SERIAL E2PROM
Datasheet S-25A256B DatasheetS-25A256B Datasheet (PDF)

S-25A256B www.sii-ic.com © Seiko Instruments Inc., 2011-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM Rev.1.2_00 This IC is a SPI serial E2PROM which operates under the high temperature, at high speed, with the wide range operation for automotive components. This IC has the capacity of 256 K-bit and the organization of 32768 words × 8-bit. Page write and Sequential read are available. Caution Before using the product in automobile control unit or medical equipment, contact to SII is .

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S-25A256B www.sii-ic.com © Seiko Instruments Inc., 2011-2014 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM Rev.1.2_00 This IC is a SPI serial E2PROM which operates under the high temperature, at high speed, with the wide range operation for automotive components. This IC has the capacity of 256 K-bit and the organization of 32768 words × 8-bit. Page write and Sequential read are available. Caution Before using the product in automobile control unit or medical equipment, contact to SII is indispensable.  Features  Package • Operating voltage range Read: 2.5 V ~ 5.5 V Write: 2.5 V ~ 5.5 V • Operation frequency: • Write time: • SPI mode (0, 0) and (1, 1) • Page write: • Sequential read • Write protect: Protect area: 5.0 MHz max. 5.0 ms max. 64 bytes / page Software, Hardware 25%, 50%, 100% • Monitoring of a write memory state by the status register • Function to prevent malfunction by monitoring clock pulse • Write protect function during the low power supply voltage • CMOS schmitt input ( CS , SCK, SI, WP , HOLD ) • Endurance*1: 106 cycle / word *2 (Ta = +25°C) 3 × 105 cycle / word *2 (Ta = +125°C) • Data retention: 100 years (Ta = +25°C) 50 years (Ta = +125°C) • Memory capacity: 256 K-bit • Initial delivery state: FFh, SRWD = 0, BP1 = 0, BP0 = 0 • Burn-in specifications: Wafer level burn-in • Operation temperature range: Ta = −40°C to +125°C • Lead-free (Sn 100%), halogen-free*3 • AEC-Q100 qualified*4 • 8-Pin SOP (JEDEC) 5 8 4 1 (5.0 × 6.0 × t1.75 mm) *1. Refer to " Endurance" for details. *2. For each address (Word: 8-bit) *3. Refer to " Product Name Structure" for details. *4. Contact our sales office for details. Remark Refer to "3. Product name list" in " Product Name Structure" for details of package and product. Seiko Instruments Inc. 1 X Decoder Input Control Circuit FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM S-25A256B  Block Diagram CS SCK SI HOLD WP SO Voltage Detector Clock Counter Data Register Mode Decoder Output Control Circuit Address Register Status Register Read Circuit VCC GND Figure 1 Rev.1.2_00 Step-up Circuit Page Latch Memory Cell Array Status Memory Cell Array Y Decoder 2 Seiko Instruments Inc. Rev.1.2_00 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM S-25A256B  AEC-Q100 Qualified This IC supports AEC-Q100 for operation temperature grade 1. Contact our sales office for details of AEC-Q100 reliability specification.  Product Name Structure 1. Product name S-25A256B 0A − J8T2 U 3 *1. Refer to the tape drawing. Fixed Environmental code U: Lead-free (Sn 100%), halogen-free Package name (abbreviation) and IC packing specification*1 J8T2: 8-Pin SOP (JEDEC), Tape Fixed Product name S-25A256B: 256 K-bit Remark This IC is wafer level burn-in specification. 2. Package Package Name 8-Pin SOP (JEDEC) Table 1 Package Drawing Codes Dimension Tape FJ008-A-P-SD FJ008-D-C-SD Reel FJ008-D-R-S1 3. Product name list Table 2 Product Name Capacity Package S-25A256B0A-J8T2U3 256 K bit 8-Pin SOP (JEDEC) Remark This IC is wafer level burn-in specification. Quantity 4000 pcs / reel  Pin Configuration 1. 8-Pin SOP (JEDEC) Top view 1 2 3 4 Figure 2 8 7 6 5 Pin No. 1 2 3 4 5 6 7 8 Symbol CS *1 SO WP *1 GND SI*1 SCK*1 HOLD *1 VCC Table 3 Description Chip select input Serial data output Write protect input Ground Serial data input Serial clock input Hold input Power supply *1. Do not use it in "High-Z". Seiko Instruments Inc. 3 FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM S-25A256B Rev.1.2_00  Absolute Maximum Ratings Table 4 Item Symbol Absolute Maximum Rating Unit Power supply voltage VCC −0.3 to +6.5 V Input voltage VIN −0.3 to +6.5 V Output voltage VOUT −0.3 to VCC + 0.3 V Operation ambient temperature Topr −40 to +125 °C Storage temperature Tstg −65 to +150 °C Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions.  Recommended Operating Conditions Table 5 Item Power supply voltage High level input voltage Low level input voltage Symbol VCC VIH VIL Condition Read Write VCC = 2.5 V to 5.5 V VCC = 2.5 V to 5.5 V Ta = −40°C to +125°C Min. Max. 2.5 5.5 2.5 5.5 0.7 × VCC −0.3 VCC + 1.0 0.3 × VCC Unit V V V V  Pin Capacitance Table 6 Item Input capacitance Output capacitance Symbol CIN COUT Condition VIN = 0 V ( CS , SCK, SI, WP , HOLD ) VOUT = 0 V (SO) (Ta = +25°C, f = 1.0 MHz, VCC = 5.0 V) Min. Max. Unit - 8 pF - 10 pF  Endurance Item Symbol Endurance NW *1. For each address (Word: 8-bit) Table 7 Operation Ambient Temperature Ta = +25°C Ta = −40°C to +85°C Ta = −40°C to +105°C Ta = −40°C to +125°C Min. 106 7 × 105 5 × 105 3 × 105 Max. - - - - Unit cycle / word*1 cycle / word*1 cycle / word*1 cycle / word*1  Data Retention Table 8 Item Data retention Symbol Operation Ambient Temperature Min. Max. - Ta = +25°C Ta = −40°C to.


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