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SDE2526 Datasheet(PDF) 1 Page - Siemens Semiconductor Group |
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SDE2526 Datasheet(HTML) 1 Page - Siemens Semiconductor Group |
1 / 10 page MOS IC Nonvolatile Memory 2-Kbit E2PROM with I2C Bus Interface with Extended Temperature Range SDE 2526 Semiconductor Group 82 01.96 P-DIP-8-4 P-DSO-8-1 Circuit Description I 2C Bus Interface The I2C Bus is a bidirectional 2-line bus for the transfer of data between various integrated circuits. It consists of a serial data line SDA and a serial clock line SCL. The data line requires an external pull-up resistor to VCC (open drain output stage). The possible operational states of the I2C Bus are shown in figure 1. In the quiescent state, both lines SDA and SCL are high, i.e. the output stage of the data line is disabled. As long a SCL remains "1", information changes on the data bus indicate the start or the end of data transfer between two components. Type Ordering Code Package Pin Configuration SDE 2526-5 Q67100-H9020 P-DIP-8-4 SIEMENS SDE 2526-5 A2G Q67100-H9036 P-DSO-8-1 (SMD) SIEMENS SDE 25X26 A2 Q67100-H3261 P-DIP-8-4 STANDARD SDE 25X26-5 A2G Q67100-H3262 P-DSO-8-1 (SMD) STANDARD Features q Word-organized reprogrammable nonvolatile memory in n-channel floating-gate technology (E 2 PROM) q 256 × 8-bit organization q + 5 V supply voltage q Serial 2-line bus for data input and output (I2C Bus) q Reprogramming mode, typ. 15 ms erase/write cycle q Reprogramming by means of on-chip control (without external control) q Data retention longer than 10 years q More than 10 5 reprogramming cycles per address q Extended temperature range from – 40 to 110 °C |
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