전자부품 데이터시트 검색엔진 |
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ISL23445TFVZ 데이터시트(PDF) 2 Page - Intersil Corporation |
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ISL23445TFVZ 데이터시트(HTML) 2 Page - Intersil Corporation |
2 / 20 page ISL23445 2 FN7874.0 June 21, 2011 Block Diagram POWER UP INTERFACE CONTROL AND STATUS LOGIC I/O BLOCK VCC GND SDI SDO SCK VLOGIC LEVEL SHIFTER WR0 VOLATILE REGISTER WR1 VOLATILE REGISTER WR2 VOLATILE REGISTER WR3 VOLATILE REGISTER RH0 RW0 RL0 RH1 RW1 RL1 RH2 RW2 RL2 RH3 RW3 RL3 CS Pin Configurations ISL23445 (20 LD TSSOP) TOP VIEW ISL23445 (20 LD QFN) TOP VIEW 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 RL0 RW0 VCC RH0 RL1 RW1 GND RH1 VLOGIC SDI RL3 RH3 RL2 RW2 RW3 RH2 SCK SDO GND CS RW1 SCK RH2 RL2 RH0 RW2 VCC RL1 RH1 SDO 1 2 3 4 5 78 9 10 15 14 13 12 11 20 19 18 17 6 GND 6 RH3 16 Pin Descriptions TSSOP QFN SYMBOL DESCRIPTION 1 19 RL0 DCP0 “low” terminal 2 20 RW0 DCP0 wiper terminal 31 VCC Analog power supply. Range 1.7V to 5.5V 42 RH0 DCP0 “high” terminal 5 3 RL1 DCP1 “low” terminal 6 4 RW1 DCP1 wiper terminal 75 RH1 DCP1 “high” terminal 8, 12 6, 10 GND Ground pin 97 VLOGIC SPI bus /logic supply Range 1.2V to 5.5V 10 8 SDI Logic Pin - Serial bus data input 11 9 CS Logic Pin - Active low chip select 13 11 SDO Logic Pin - Serial bus data output (configurable) 14 12 SCK Logic Pin - Serial bus clock input 15 13 RH2 DCP2 “high” terminal 16 14 RW2 DCP2 wiper terminal 17 15 RL2 DCP2 “low” terminal 18 16 RH3 DCP3 “high” terminal 19 17 RW3 DCP3 wiper terminal 20 18 RL3 DCP3 “low” terminal |
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