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BU9847GUL-W Datasheet(PDF) 2 Page - Rohm |
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BU9847GUL-W Datasheet(HTML) 2 Page - Rohm |
2 / 5 page 2/4 REV. A ◇ MEMORY CELL CHARACTERISTICS (Ta=25℃, Vcc=1.7~5.5V) ○Initial Data FFh in all address. *1 Not 100% TESTED ◇ DC OPERATING CHARACTERISTICS ◇ AC OPERATING CHARACTERISTICS (Unless otherwise specified Ta=-40~85℃, Vcc=1.7~5.5V) (Unless otherwise specified Ta=-40~85℃, Vcc=1.7~5.5V) Clock Frequency Data Clock High Period Data Clock Low Period SDA and SCL Rise Time *1 SDA and SCL Fall Time *1 Start Condition Hold Time Start Condition Setup Time Input Data Hold Time Input Data Setup Time Output Data Delay Time Output Data Hold Time Stop Condition Setup Time Bus Free Time Write Cycle Time Noise Spike Width (SDA and SCL) WP Hold Time WP Setup Time WP High Period ◇ BLOCK DIAGRAM ◇ PIN CONFIGURATION ◇ PIN No., PIN NAME Random Read,Current Read,Sequential Read "H" Input Voltage3 VIH3 0.9Vcc "L" Input Voltage3 VIL3 -0.3 - 0 tSU:STA tHD:DAT μs - - - - - - μs μs ms Vcc+1.0 V 1.7V≦Vcc<1.8V - Vcc=5.5V,fSCL=400kHz,tWR=5ms Byte Write,Page Write Vcc=5.5V,fSCL=400kHz μs 0 0.1 1.0 - - - ns μs kHz μs μs μs 0.6 1.2 0.6 0.6 - - - - tHD:WP tSU:WP 0.6 tBUF 1.2 tWR tI tSU:STO tHIGH:WP - - - - - - - tF tHD:STA fSCL tHIGH tLOW tR Unit Max. Typ. Min. Parameter Symbol FAST-MODE 1.7V≦Vcc≦5.5V "L" Input Voltage2 "L" Output Voltage1 "L" Output Voltage2 PIN NAME PIN No. - - - - 0.1 A2 GND SDA VCC WP Parameter Operating Current Standby Current ○This product is not designed for protection against ○radioactive rays. Output Leakage Current Input Leakage Current "H" Input Voltage1 "L" Input Voltage1 "H" Input Voltage2 Test Condition A1 SCL Unit Cycles Years B3 B2 Typ. - - Max. - 1,000,000 40 - 5 - - - 0.9 - - - 0.3 - - 400 0.3 μs ns ns μs μs μs μs tSU:DAT tPD tDH 100 0.1 0.1 2.5V≦Vcc≦5.5V 2.5V≦Vcc≦5.5V 1.8V≦Vcc<2.5V 1.8V≦Vcc<2.5V μA mA mA 1.7V≦Vcc<1.8V V IOL=3.0mA,2.5V≦Vcc≦5.5V(SDA) IOL=0.7mA,1.7V≦Vcc<2.5V(SDA) V VIN=0V~Vcc VOUT=0V~Vcc(SDA) 2.0 2.0 0.5 μA V V 1 1 Vcc+1.0 μA Vcc+1.0 0.1Vcc V 0.2 - - - - - - - - - - -1 - - - -0.3 ISB -1 0.7Vcc -0.3 0.8Vcc - - - - - ICC1 ICC2 VIH1 VIL1 VIH2 VOL2 ILI ILO Specification Max. VIL2 VOL1 Symbol Min. Typ. 0.2Vcc 0.4 0.3Vcc Write/Erase Cycle Data Retention *1 *1 Min. Specification Parameter A2 *1 Not 100% TESTED Unit - B1 A3 Vcc=5.5V,SDA,SCL=Vcc A0,A1,A2=GND,WP=GND V V Fig.-1 BLOCK DIAGRAM SDA SCL WP A2 4 Kbit EEPROM ARRAY ADDRESS DECODER SLAVE・WORD ADDRESS REGISTER DATA REGISTER CONTOROL LOGIC HIGH VOLTAGE GEN. VCC LEVEL DETECT 9bit 9bit 8bit ACK START STOP VCC GND 3 ○ ○ B A ○ ○ 1 2 INDEX POST A1 A2 B1 B2 A3 B3 ○ ○ |
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