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ST24E64 数据表(PDF) 2 Page - STMicroelectronics |
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ST24E64 数据表(HTML) 2 Page - STMicroelectronics |
2 / 16 page SDA VSS SCL WC E1 E0 VCC E2 AI01205B ST24E64 ST25E64 1 2 3 4 8 7 6 5 Figure 2A. DIP Pin Connections 1 AI01206C 2 3 4 8 7 6 5 SDA VSS SCL WC E1 E0 VCC E2 ST24E64 ST25E64 Figure 2B. SO Pin Connections Each memory is compatible with the I2C extended addressing standard, two wire serial interface which uses a bi-directional data bus and serial clock. The ST24/25E64carry a built-in 4 bit, unique device identification code (1010) corresponding to the I2C bus definition. The ST24/25E64 behave as DESCRIPTION (cont’d) slave devices in the I2C protocol with all memory operations synchronized by the serial clock. Read and write operations are initiated by a START conditiongenerated by the bus master. The START condition is followed by a stream of 4 bits (identifi- cation code 1010), 3 bit Chip Enable input to form a 7 bit Device Select, plus one read/write bit and terminated by an acknowledge bit. Symbol Parameter Value Unit TA Ambient Operating Temperature –40 to 125 °C TSTG Storage Temperature –65 to 150 °C TLEAD Lead Temperature, Soldering (SO8) (PSDIP8) 40 sec 10 sec 215 260 °C VIO Input or Output Voltages –0.6 to 6.5 V VCC Supply Voltage –0.3 to 6.5 V VESD Electrostatic Discharge Voltage (Human Body model) (2) 4000 V Electrostatic Discharge Voltage (Machine model) (3) 500 V Notes: 1. Except for the rating ”Operating Temperature Range”, stresses above those listed in the Table ”Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the SGS-THOMSON SURE Program and other relevant quality documents. 2. 100pF through 1500 Ω; MIL-STD-883C, 3015.7 3. 200pF through 0 Ω; EIAJ IC-121 (condition C) Table 2. Absolute Maximum Ratings (1) 2/16 ST24E64, ST25E64 |
类似零件编号 - ST24E64 |
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类似说明 - ST24E64 |
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