BR24C01AF-W ROHM Electronics, BR24C01AF-W Datasheet
BR24C01AF-W
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BR24C01AF-W Summary of contents
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV BUS compatible serial EEPROM BR24C01A-W / BR24C01AF-W / BR24C01AF-W / BR24C01AFV-W / BR24C02-W / BR24C02F-W / BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W The BR24C01A-W, BR24C02-W, and BR24C04-W seties are 2-wire (I electrically programmable. ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W Recommended operating condetions ( Parameter Symbol Power supply voltage V CC Input voltage V IN Block daigram BR24C01A-W / AF-W / AFJ-W / AFV 1kbit EEPROM ARRAY 7bit SLAVE WORD ADDRESS A1 2 DECODER ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W Electrical characteristics DC characteristics (unless otherwise noted Parameter Symbol Input high level voltage V IH Input low level voltage V IL Output low level coltage V OL Input leakage current ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W Timing charts SCL t HD SDA (input) t BUF SDA (output) SCL t : STA SU SDA · Data is read on the rising edge of SCL. · Data is output in synchronization with the falling edge of SCL. ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W (4) Device addressing – BR24C01A-W / AF-W / AFJ-W / AFV-W, BR24C02-W / F-W / FJ-W / FV-W 1) Make sure the slave address is output from the master immediately after the start condition. 2) The upper four bits of the slave address are used to determine the device type. The device code for this IC is fixed at “ ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W When data is being read from the IC, eight bits of data (read data) are output and the IC waits for a returned LOW acknowledge signal (ACK signal). When an acknowledge signal (ACK signal) is detected and a stop condition is not sent from the master ( -COM) side, the IC continues to output data ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W BR24C02-W / F-W / FJ SLAVE R ADDRESS T SDA LINE WP BR24C04-W / F-W / FJ SLAVE R ADDRESS T SDA LINE WP Data is written to the address designated by the word address (n address). ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W A 8-byte write is possible using this command. Th page write command arbitrarily sets the upper four bits (WA6 to WA3) of the word address. The lower three bits (WA2 and WA0) can write up to eight bytes of data with the address being incremented internally. ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W (9) Current read cycle BR24C01A-W / AF-W / AFJ-W / AFV SDA 1 LINE BR24C02-W / F-W / FJ SDA 1 LINE BR24C04-W / F-W / FJ SDA 1 LINE In case the previous operation is random or current read (which includes sequential read respectively), the internal address counter is increased by one from the last accessed address (n) ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W (10) Random read cycle BR24C01A-W / AF-W / AFJ-W / AFV SLAVE R T ADDRESS T E SDA LINE BR24C02-W / F-W / FJ SLAVE R T ADDRESS ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W (11) Sequential read cycle (For a current read) BR24C01A-W / AF-W / AFJ-W / AFV SLAVE A R ADDRESS D T SDA LINE BR24C02-W / F-W / FJ SLAVE A R ADDRESS ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W Operation notes (1) During power rise During power rise, the V may rise passing though the low voltage domain in which the IC internal circuit does not CC work. For this reason, there is a risk of misoperation when the power rises without full IC internal reset. ...
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... BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C021-W / BR24C02F-W / Memory ICs BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W External dimensions (Units : mm) BR24C01A-W BR24C02-W BR24C04-W 9.3 0 2.54 0.5 DIP8 BR24C01AFJ-W BR24C02FJ-W BR24C04FJ-W 4.9 0 1.27 0.42 0.1 0.1 SOP-J8 BR24C01AF-W BR24C02F-W BR24C04F-W 7.62 0 BR24C01AFV-W BR24C02FV-W BR24C04FV-W 3.0 0.45Min. (0.52) 5.0 0 1.27 0.4 0.1 0.3Min. ...