поискавой системы для электроныых деталей |
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BU99022NUX-3 датащи(PDF) 4 Page - Rohm |
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BU99022NUX-3 датащи(HTML) 4 Page - Rohm |
4 / 26 page 4/23 www.rohm.com TSZ02201-0R2R0G100010-1-2 2011.12.19 Rev.001 © 2011 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 BU99022NUX-3 Datasheet ●Block diagram ●Pin assignment and description Pin No. Pin Name Input/output Function 1 Vcc1 - Connect the power source 2 GND - Reference voltage of all input/output,0V 3 SCL1 Input Serial clock input for port1 4 SDA1 input/output Serial data input /serial data output for port1 EEPROM 5 SDA2 input/output Serial data input /serial data output for port2 EEPROM 6 SCL2 input Serial clock input for port2 EEPROM 7 WP2 input Write protect terminal for port2 EEPROM 8 Vcc2 - Connect the power source ●Operating condition of port1 and port2 EEPROM ○ : operating possible ×: operating impossible Vcc1 Vcc2 port1 port2 0V 0V × × 0V Vcc × ○ 0V open × × Vcc 0V ○ × Vcc Vcc ○ ○ Vcc open ○ × open 0V × × open Vcc × ○ open open × × 4 3 2 1 SDA1 SCL1 GND Vcc1 Data register Word Address register Address Control logic Vcc level detect High voltage gen. 2Kbit EEPROM array 8 7 6 5 SDA2 SCL2 WP2 Vcc2 Address decorder Word Address register Data register Control logic 2Kbit EEPROM array decorder High voltage gen. Vcc level detect stop start start stop 8bit 8bit 8bit 8bit Fig.4 Block Diagram Port1 EEPROM Port2 EEPROM |
Аналогичный номер детали - BU99022NUX-3 |
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Аналогичное описание - BU99022NUX-3 |
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