S-93C46B/56B/66B 2 3-WIRE SERIAL E PROM www.sii-ic.com Seiko Instruments Inc., 2002-2015 Rev.8.1 00 2 The S-93C46B/56B/66B is a high speed, low current consumption, 3-wire serial E PROM with a wide operating voltage range. The S-93C46B/56B/66B has the capacity of 1 K-bit, 2 K-bit and 4 K-bit, and the organization is 64-word 16-bit, 128-word 16-bit and 256-word 16-bit. It is capable of sequential read, at which time addresses are automatically incremented in 16-bit blocks. The communication method is by the Microwire bus. Features Operating voltage range: Read 1.8 V to 5.5 V Write 2.7 V to 5.5 V Operation frequency: 2.0 MHz (V = 4.5 V to 5.5 V) CC Write time: 8.0 ms max. Sequential read capable Write protect function during the low power supply voltage Function to protect against write due to erroneous instruction recognition 6 *1 Endurance: 10 cycles / word (Ta = +85C) Data retention: 100 years (Ta = +25C) 20 years (Ta = +85C) Memory capacity: S-93C46B 1 K-bit S-93C56B 2 K-bit S-93C66B 4 K-bit Initial delivery state: FFFFh Operation temperature range: Ta = 40C to +85C *2 Lead-free, Sn 100%, halogen-free *1. For each address (Word: 16-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. Seiko Instruments Inc. 12 3-WIRE SERIAL E PROM Rev.8.1 00 S-93C46B/56B/66B Pin Configurations 1. 8-Pin SOP (JEDEC) Table 1 8-Pin SOP (JEDEC) Top view Pin No. Symbol Description 1 CS Chip select input 1 8 2 SK Serial clock input 2 7 3 DI Serial data input 3 6 4 DO Serial data output 5 GND Ground 4 5 *1 6 TEST Test 7 NC No connection 8 VCC Power supply Figure 1 *1. Connect to GND or V . CC Even if this pin is not connected, performance is not affected so long as the absolute maximum rating is not exceeded. S-93C46BD0I-J8T1x S-93C56BD0I-J8T1x S-93C66BD0I-J8T1x 8-Pin SOP (JEDEC) (Rotated) Table 2 Top view Pin No. Symbol Description 1 NC No connection 1 8 2 VCC Power supply 2 7 3 CS Chip select input 3 6 4 SK Serial clock input 5 DI Serial data input 4 5 6 DO Serial data output 7 GND Ground *1 8 TEST Test Figure 2 *1. Connect to GND or V . CC Even if this pin is not connected, performance is not affected so long S-93C46BR0I-J8T1x as the absolute maximum rating is not exceeded. S-93C56BR0I-J8T1x S-93C66BR0I-J8T1x Remark 1. Refer to the package drawings for the details. 2. x: G or U 3. Please select products of environmental code = U for Sn 100%, halogen-free products. 2 Seiko Instruments Inc.