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ST25EM6TR Scheda tecnica(PDF) 2 Page - STMicroelectronics |
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ST25EM6TR Scheda tecnica(HTML) 2 Page - STMicroelectronics |
2 / 16 page SDA VSS SCL WC E1 E0 VCC E2 AI01103B ST24E16 ST25E16 1 2 3 4 8 7 6 5 Figure 2A. DIP Pin Connections 1 AI01104C 2 3 4 8 7 6 5 SDA VSS SCL WC E1 E0 VCC E2 ST24E16 ST25E16 Figure 2B. SO Pin Connections Both Plastic Dual-in-Line and Plastic Small Outline packages are available. 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 ST24/25E16 carry a built-in 4 bit, unique device identification code (1010) corresponding to DESCRIPTION (cont’d) the I2C bus definition. The ST24/25E16 behave as slave devices in the I2C protocol with all memory operations synchronized by the serial clock. Read and write operations are initiated by a START condition generated 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 STMicroelectronics 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 ST24E16, ST25E16 |
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