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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CAT24FC256JITE13 датащи(PDF) 4 Page - Catalyst Semiconductor |
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CAT24FC256JITE13 датащи(HTML) 4 Page - Catalyst Semiconductor |
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4 / 12 page  Discontinued Part CAT24FC256 4 Doc. No. 1040, Rev. K © 2005 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice FUNCTIONAL DESCRIPTION The CAT24FC256 supports the I2C Bus data transmission protocol. This Inter-Integrated Circuit Bus protocol defines any device that sends data to the bus to be a transmitter and any device receiving data to be a receiver. The transfer is controlled by the Master device which generates the serial clock and all START and STOP conditions for bus access. The CAT24FC256 operates as a Slave device. Both the Master device and Slave device can operate as either transmitter or receiver, but the Master device controls which mode is activated. PIN DESCRIPTIONS SCL: Serial Clock The serial clock input clocks all data transferred into or out of the device. SDA: Serial Data/Address The bidirectional serial data/address pin is used to transfer all data into and out of the device. The SDA pin is an open drain output and can be wire-ORed with other open drain or open collector outputs. WP: Write Protect This input, when tied to GND, allows write operations to the entire memory. When this pin is tied to Vcc, the entire memory is write protected. When left floating, memory is unprotected. Figure 3. Start/Stop Timing Figure 2. Write Cycle Timing Figure 1. Bus Timing START BIT SDA STOP BIT SCL tWR STOP CONDITION START CONDITION ADDRESS ACK 8TH BIT BYTE n SCL SDA tHIGH SCL SDA IN SDA OUT tLOW tF tLOW tR tBUF tSU:STO tSU:DAT tHD:DAT tHD:STA tSU:STA tAA tDH A0, A1, A2: Device Address Inputs These pins are hardwired or left connected. When hardwired, up to eight CAT24FC256's may be addressed on a single bus system. When the pins are left unconnected, the default values are zero. |
Аналогичный номер детали - CAT24FC256JITE13 |
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Аналогичное описание - CAT24FC256JITE13 |
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