S-25C640A0I-T8T1U3 ABLIC

S-25C320A/640A 2 SPI SERIAL E PROM www.sii-ic.com Seiko Instruments Inc., 2009-2015 Rev.4.2 01 H 2 The S-25C320A/640A is a SPI serial E PROM which operates at high speed, with low current consumption and the wide range operation. The S-25C320A/640A has the capacity of 32 K-bit and 64 K-bit, and the organization is 4096 words 8-bit, 8192 words 8-bit. Page write and sequential read are available. Features Operating voltage range: Read 1.6 V to 5.5 V Write 1.7 V to 5.5 V Operation frequency 5.0 MHz (V = 2.5 V to 5.5 V) CC Write time: 5.0 ms max. SPI mode (0, 0) and (1, 1) Page write: 32 bytes / page Sequential read Write protect: Software, Hardware Protect area: 25%, 50%, 100% Monitors Write to the memory by a 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 ) 6 *1 Endurance: 10 cycles / word (Ta = +25C) Data retention: 100 years (Ta = +25C) Memory capacity: 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 +85C *2 Lead-free (Sn 100%), halogen-free *1. For each address (Word: 8-bit) *2. Refer to Product Name Structure for details. Packages 8-Pin SOP (JEDEC) 8-Pin TSSOP TMSOP-8 SNT-8A Caution This product is intended to use in general electronic devices such as consumer electronics, office equipment, and communications devices. Before using the product in medical equipment or automobile equipment including car audio, keyless entry and engine control unit, contact to SII is indispensable. 1 Seiko Instruments Inc. 2 SPI SERIAL E PROM S-25C320A/640A Rev.4.2 01 H Pin Configurations 1. 8-Pin SOP (JEDEC) 8-Pin SOP (JEDEC) Table 1 Top view Pin No. Symbol Description *1 1 CS Chip select input 1 8 2 SO Serial data output 2 7 *1 3 Write protect input WP 3 6 4 GND Ground *1 5 4 5 SI Serial data input *1 6 SCK Serial clock input *1 7 Figure 1 Hold input HOLD 8 VCC Power supply S-25C320A0I-J8T1U3 *1. Do not use it in high impedance. S-25C640A0I-J8T1U3 2. 8-Pin TSSOP 8-Pin TSSOP Table 2 Top view Pin No. Symbol Description *1 1 1 8 CS Chip select input 2 7 2 SO Serial data output 3 6 *1 3 4 5 Write protect input WP 4 GND Ground *1 Figure 2 5 SI Serial data input *1 6 SCK Serial clock input S-25C320A0I-T8T1U3 *1 7 HOLD Hold input S-25C640A0I-T8T1U3 8 VCC Power supply *1. Do not use it in high impedance. 3. TMSOP-8 TMSOP-8 Table 3 Top view Pin No. Symbol Description *1 1 8 1 Chip select input CS 2 7 2 SO Serial data output 3 6 *1 4 5 3 Write protect input WP 4 GND Ground *1 Figure 3 5 SI Serial data input *1 6 SCK Serial clock input S-25C320A0I-K8T3U3 *1 7 Hold input HOLD S-25C640A0I-K8T3U3 8 VCC Power supply *1. Do not use it in high impedance. Remark Refer to the Package drawings for the details. 2 Seiko Instruments Inc.