S-24CM01C 2 2-WIRE SERIAL E PROM www.sii-ic.com Seiko Instruments Inc., 2010-2013 Rev.2.0 01 S 2 The S-24CM01C is a 2-wire, low current consumption and wide range operation serial E PROM. The S-24CM01C has the capacity of 1 M-bit, and the organization is 131072 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 Page write: 256 bytes / page Sequential read Operation frequency: 1.0 MHz (V = 2.5 V to 5.5 V) CC 400 kHz (V = 1.6 V to 2.5 V) CC Write time: 5.0 ms max. Noise suppression: Schmitt trigger and noise filter on input pins (SCL, SDA) Write protect function during the low power supply voltage 6 *1 Endurance: 10 cycles / unit (Ta = +25C) Data retention: 100 years (Ta = +25C) Memory capacity: 1 M-bit Write protect: 100% Initial shipment data: FFh *2 Lead-free (Sn 100%), halogen-free *1. For each unit (unit: the 4 bytes with the same address of P0, W15 to W2) *2. Refer to Product Name Structure for details. Package 8-Pin SOP (JEDEC) 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. Seiko Instruments Inc. 12 2-WIRE SERIAL E PROM S-24CM01C Rev.2.0 01 S Pin Configuration 1. 8-Pin SOP (JEDEC) 8-Pin SOP (JEDEC) Table 1 Top view Pin No Symbol Description *1 1 NC No connection 1 8 2 A1 Slave address input 2 7 3 A2 Slave address input 3 6 4 GND Ground *2 SDA 5 Serial data I/O 4 5 *2 6 SCL Serial clock input Write protect input 7 WP Connected to V: Protection valid CC Figure 1 Open or connected to GND: Protection invalid 8 VCC Power supply S-24CM01CI-J8T1U4 *1. Connect to GND or V . CC *2. Do not use it in high impedance. Remark Refer to the Package drawings for the details. 2 Seiko Instruments Inc.