NA0685A LE24C322/M USP6947325 20071022-S00021/21407 A0685-1/13 3001D LE24C322 - Datasheet Archive

 

NA0685A CMOS LSI LE24C322/M Two Wire Serial Interface EEPROM (32k EEPROM) LE24C322/M 2 (I2C )EEPROM CMOS EEPROM I2C

 

No. N A 0 6 8 5 B NA0685A NA0685A CMOS LSI LE24C322/M LE24C322/M Two Wire Serial Interface EEPROM (32k EEPROM) LE24C322/M LE24C322/M 2 (I2C )EEPROM CMOS EEPROM I2C 32kbit(4K×8 bits) 2.7V5.5V 2 (I2C *) 400kHz 2A(max) 0.5mA(max) 16 WP , 106 20 (USP6947325 USP6947325) SCL,SDA *I2C SST (Silicon Storage Technology,Inc) AV 91009 SY /70109 SY 20071022-S00021/21407 20071022-S00021/21407 SY IM No.A0685-1/13 A0685-1/13 LE24C322/M LE24C322/M unit:mm (typ) 3001D 3001D[LE24C322 LE24C322] unit:mm (typ) 3032D 3032D[LE24C322M LE24C322M] 9.14 5.0 5 4 5 0.63 4.4 6.4 7.62 1 8 6.4 8 1.4 0.15 (3.0) (1.5) 0.35 0.51MIN 51MIN 0.1 3.2 3.9MAX 1.0 4 1.27 1.7max 0.25 1 (0.65) (0.76) SANYO : MFP8(225mil) 2.54 0.5 SANYO : DIP8(300mil) PIN.1 1 8 VDD NC 2 7 WP NC 3 6 SCL 5 SDA GND 4 NC PIN.3 NC PIN.4 GND PIN.5 NC NC PIN.2 SDA PIN.6 SCL PIN.7 WP PIN.8 VDD No.A0685-2/13 A0685-2/13 LE24C322/M LE24C322/M WP Write controller High voltage generator SDA X decoder Address generator Serial controller Condition detector EEPROM Array Y decoder & Sense AMP I/O Buffer Input Buffer SCL Serial-Parallel converter unit -0.56.5 V DC -0.55.5 V -1.06.5 V -65150 20ns Tstg unit 2.75.5 V -4085 DC ICC1 ICC2 min f=400kHz VDD=2.7V5.5V typ unit max 0.5 mA f=400kHz,tWC=10ms 3 mA ISB VIN=VDD or GND 2 A ILI VIN=GNDVDD -2.0 +2.0 A (SDA) ILO VOUT=GNDVDD -2.0 +2.0 A L VIL VDD*0.2 V L(CMOS) VILC 0.2 V H VIH VDD*0.8 V H(CMOS) VIHC VDD-0.2 V VOL IOL=0.2mA 0.2 V IOL=1.0mA 0.4 V No.A0685-3/13 A0685-3/13 LE24C322/M LE24C322/M /Ta=25,f=1.0MHz max unit CI/O VI/O=0V(SDA) 10 pF CI VIN=0V(SDA ) 10 pF 100% VDD AC 0.1×VDD0.9×VDD 20ns R=3.0k SDA 0.5×VDD 50pF 3.0k C=50pF VDD=2.7V5.5V min typ unit max SCL fSCLS SCL L tLOW 1200 ns SCL H tHIGH 600 ns SDA tAA 100 SDA tDH 100 ns tSU.STA 600 ns tHD.STA 600 ns tSU.DAT 100 ns tHD.DAT 0 ns tSU.STO 600 ns SCLSDA tR 300 ns SCLSDA tF 300 ns tBUF tSP 50 ns tWC 10 ms 400 900 1200 kHz ns ns No.A0685-4/13 A0685-4/13 LE24C322/M LE24C322/M tF tHIGH tLOW tR tSP SCL tSU.STA tHD.STA tSU.DAT tHD.DAT tSU.STO tSP SDA/IN tAA tBUF tDH SDA/OUT tWC SCL SDA D0 SCL() SCL SCL SDA() SDA Nch SDA SCL VDD ( ) WP() WP H32kbit L WP No.A0685-5/13 A0685-5/13 LE24C322/M LE24C322/M 1. SCL HSDA HL EEPROM 2. SCL HSDA LH EEPROM tSU.STA tSU.STO tHD.STA SCL SDA 3. SCL L SDA SCL H SDA tSU.DAT tHD.DAT SCL SDA No.A0685-6/13 A0685-6/13 LE24C322/M LE24C322/M 4. 8 9 SDA L EEPROM SCL (EEPROM ) 8 1 9 SDA () SDA (EEPROM ) tAA tDH 5. 7 1 / SDA 4 1010 3 S0,S1,S2 S0,S1,S2 S0=0S1=0S2=0 SDA 9 / LE24C322 LE24C322 1 0 1 0 S2 MSB S1 S0 R/W LSB No.A0685-7/13 A0685-7/13 LE24C322/M LE24C322/M 6.EEPROM 6-1. EEPROM 7 04 12 8 EEPROM tWC EEPROM 1 0 1 0 S2 S1 S0 W A A A9 A8 11 10 A7 A6 A5 A4 A3 A2 A1 A0 ACK ACK Data Stop SDA Start Word Address D7 D6 D5 D4 D3 D2 D1 D0 ACK ACK R/W 6-2. 16 7 0(n)(n)9 (n)(n1) 8 (n1) 4 (A0A3) (n1) 16 2 EEPROM 1 0 1 0 S2 S1 S0 W A A A9 A8 11 10 ACK A7 A6 A5 A4 A3 A2 A1 A0 ACK Data(n) D7 D6 D5 D4 D3 D2 D1 D0 ACK ACK R/W Data(n+x) Data(n+1) D7 D6 D1 D0 ACK ACK D7 D6 D1 D0 ACK D7 D6 D1 D0 D7 D6 D1 D0 ACK Stop SDA Start Word Address(n) ACK No.A0685-8/13 A0685-8/13 LE24C322/M LE24C322/M 6-3. EEPROM EEPROM EEPROM EEPROM() 0 10 ACK=L 0 1 0 S2 S1 S0 W 0 1 1 0 S2 S1 S0 W NO ACK R/W Start 1 Start SDA Start 1 0 1 0 S2 S1 S0 W ACK R/W NO ACK R/W 7.EEPROM 7-1. EEPROM 1 EEPROM 7 1EEPROM (n1) 8 8 EEPROM : 1 16 1 16 (A3 A0=1111b) (A3A0=0000b) Start SDA 1 0 1 0 S2 S1 S0 R D7 D6 D5 D4 D3 D2 D1 D0 ACK Stop Data(n+1 ) Device Address NO ACK R/W No.A0685-9/13 A0685-9/13 LE24C322/M LE24C322/M 7-2. EEPROM 7 04 12 EEPROM Word Address(n) SDA Start Device Address 1 0 1 0 S2 S1 S0 W A A A9 A8 11 10 A7 A6 A5 A4 A3 A2 A1 A0 ACK ACK ACK R/W Dummy Write Start 1 0 1 0 S2 S1 S0 R Stop Data(n) Device Address D7 D6 D1 D0 ACK ACK NO ACK R/W Current Read 7-3. 8 0 0 0 1 0 1 0 S2 S1 S0 R Data(n) D7 D6 D1 D0 ACK R/W Data(n+1) D7 D6 D1 D0 ACK Data(n+2) D7 D6 D1 D0 ACK Data(n+x) D7 D6 D1 D0 ACK Stop SDA Start Device Address NO ACK No.A0685-10/13 A0685-10/13 LE24C322/M LE24C322/M 1) ( 9 ) SDA ( H) EEPROM ACK H EEPROM (tWC) ×9 1 SCL 2 8 9 SDA 2)SDA SDA I2C ( k 10k) (RPU) VILIIL VOL-IOL RPU SDA (IL) RPU EEPROM H (VIH min) SDA tR tF RPU =(VDD-VIH)/IL VDD=3.0VIL=2A RPU =(3.0V-3.0V×0.8)/2A=300k RPU RPU EEPROM (VOL max) IL EEPROM SDA CBUS IL RPU =(VDD-VOL)/IOL VDD=3.0VVOL=0.4VIOL=1mA RPU =(3.0V-0.4)/1mA=2.6k RPU RPU SDA 50pFSDA 500ns RPU RPU=500ns/50pF=10k No.A0685-11/13 A0685-11/13 LE24C322/M LE24C322/M 3) WP=H 32Kbit WP=H VDD=1.8 5.5V min typ max WP tSU.WP 600 ns WP tHD.WP 600 ns WP tHD.WP tSU.WP SCL SDA 4) VDD=2.75.5V tOFF typ unit max tRISE min Vbot 100 10 ms ms 0.2 V tRISE VDD tOFF Vbot 0V 1) SDA=H SCL=L H 2) SDA,SCL Hi-Z No.A0685-12/13 A0685-12/13 LE24C322/M LE24C322/M A. 1 SDA L SCL,SDA SCL,SDA H VDD VDD tLOW SCL SCL SDA SDA tDH tSU.DAT tSU.DAT B. 2 C. 1,2 A 5) S0,S1,S2 S0=0,S1=0,S2=0 PS No.A0685-13/13 A0685-13/13