S-25C320A/640A H Series 105C OPERATION 2 www.ablic.com SPI SERIAL E PROM FOR AUTOMOTIVE www.ablicinc.com ABLIC Inc., 2010-2017 Rev.3.0 01 H 2 The S-25C320A/640A H series devices are high-temperature operation SPI serial E PROMs for automotive components. The S-25C320A/640A H series has the capacity of 32 K-bit and 64 K-bit, and the organization is 4096 words 8-bit, 8192 words 8-bit, respectively. 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 Operating voltage range: Read 2.5 V to 5.5 V Write 2.5 V to 5.5 V Operation frequency: 5.0 MHz (2.5 V to 5.5 V) Write time: 5.0 ms max. SPI mode (0, 0) and (1, 1) Page write 32 bytes / page Sequential read Monitors write to the memory by a status register Write protect: Software, Hardware Protect area: 25%, 50%, 100% 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 ) 6 *1 Endurance: 10 cycles/word (Ta = 25C) 5 *1 3 10 cycles/word (Ta = 85C) 5 *1 2 10 cycles/word (Ta = 105C) Data retention: 100 years (Ta = 25C) 30 years (Ta = 85C) 25 years (Ta = 105C) Memory capacitance: S-25C320A 32 K-bit S-25C640A 64 K-bit Initial delivery state: FFh, SRWD = 0, BP1 = 0, BP0 = 0 Operation temperature range: Ta = 40C to 105C Lead-free (Sn 100%), halogen-free *2 AEC-Q100 qualified *1. For each address (Word: 8-bit) *2. Contact our sales office for details. Packages 8-Pin SOP (JEDEC) 8-Pin TSSOP TMSOP-8 1 2 105C OPERATION SPI SERIAL E PROM FOR AUTOMOTIVE S-25C320A/640A H Series Rev.3.0 01 H Pin Configurations 1. 8-Pin SOP (JEDEC) Table 1 Pin No. Symbol Description Top view *1 1 Chip select input CS 1 8 2 SO Serial data output *1 3 2 7 Write protect input WP 4 GND Ground 3 6 *1 5 SI Serial data input 4 5 *1 6 SCK Serial clock input *1 7 Hold input HOLD Figure 1 8 VCC Power supply S-25C320A0H-J8T2U3 S-25C640A0H-J8T2U3 2. 8-Pin TSSOP Table 2 Pin No. Symbol Description Top view *1 1 CS Chip select input 1 8 2 SO Serial data output 2 7 *1 3 6 3 Write protect input WP 4 5 4 GND Ground *1 5 SI Serial data input Figure 2 *1 6 SCK Serial clock input *1 7 Hold input S-25C320A0H-T8T2U3 HOLD S-25C640A0H-T8T2U3 8 VCC Power supply 3. TMSOP-8 Top view Table 3 Pin No. Symbol Description 1 8 *1 1 Chip select input CS 2 7 3 6 2 SO Serial data output 4 5 *1 3 Write protect input WP 4 GND Ground Figure 3 *1 5 SI Serial data input *1 6 SCK Serial clock input S-25C320A0H-K8T2U3 *1 S-25C640A0H-K8T2U3 7 HOLD Hold input 8 VCC Power supply *1. Do not use it in high impedance. Remark See Dimensions for details of the package drawings. 2