S-25A640A, S-25A640B FOR AUTOMOTIVE 125C OPERATION 2 www.ablic.com SPI SERIAL E PROM www.ablicinc.com ABLIC Inc., 2008-2014 Rev.3.2 02 2 This IC is a SPI serial E PROM which operates under the high temperature, at high speed, with the wide range operation for automotive components. This IC has the capacity of 64 K-bit and the organization of 8192 words 8-bit. Page write and Sequential read are available. Caution Before using the product in automobile control unit or medical equipment, contact to ABLIC Inc. is indispensable. Features Packages Operating voltage range 8-Pin SOP (JEDEC) Read: 2.5 V ~ 5.5 V 5 Write: 2.5 V ~ 5.5 V Operation frequency 8 S-25A640A: 5.0 MHz max. 4 S-25A640B: 6.5 MHz max. 1 Write time S-25A640A: 4.0 ms max. S-25A640B: 5.0 ms max. (5.0 6.0 t1.75 mm) SPI mode (0, 0) and (1, 1) Page write: 32 bytes / page Sequential read Write protect: Software, Hardware 8-Pin TSSOP Protect area: 25%, 50%, 100% 5 Monitoring of a write memory state by the status register 8 Function to prevent malfunction by monitoring clock pulse Write protect function during the low power supply voltage 4 1 CMOS schmitt input ( CS , SCK, SI, WP , HOLD ) *1 Endurance 6 *2 (3.0 6.4 t1.1 mm) S-25A640A: 10 cycle / word (Ta = 25C) 5 *2 5 10 cycle / word (Ta = 125C) 6 *2 S-25A640B: 10 cycle / word (Ta = 25C) 5 *2 3 10 cycle / word (Ta = 125C) TMSOP-8 Data retention: 100 years (Ta = 25C) 50 years (Ta = 125C) 5 Memory capacity: 64 K-bit 8 Initial delivery state: FFh, SRWD = 0, BP1 = 0, BP0 = 0 4 Burn-in specification: Wafer level burn-in 1 Operation temperature range: Ta = 40C to 125C *3 Lead-free (Sn 100%), halogen-free *4 (2.9 4.0 t0.8 mm) AEC-Q100 qualified *1. Refer to Enduranc for details. *2. For each address (Word: 8-bit) *3. Refer to Product Name Structur for details. *4. Contact our sales office for details. Remark Refer to3. Product name lis in Product Name Structur for details of package and product. 1 X Decoder Input Control Circuit 2 FOR AUTOMOTIVE 125C OPERATION SPI SERIAL E PROM S-25A640A, S-25A640B Rev.3.2 02 Block Diagram Step-up Circuit Voltage Detector Page Latch CS Clock Counter Memory SCK Mode Cell SI Decoder Array HOLD Data Register WP Status Memory Cell Array Y Decoder Address Register Status Register Output SO Control Read Circuit Circuit VCC GND Figure 1 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 1. 1 S-25A640A S-25A640A 0A J8T2 U D Fixed Environmental code U: Lead-free (Sn 100%), halogen-free *1 Package name (abbreviation) and IC packing specification J8T2: 8-Pin SOP (JEDEC), Tape Fixed Product name S-25A640A: 64 K-bit 2