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24LC41P Datasheet(PDF) 1 Page - Microchip Technology |
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24LC41P Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 18 page  2004 Microchip Technology Inc. DS21140F-page 1 24LC41 Features • Single supply with operation down to 2.5V • Completely implements DDC1 /DDC2 interface for monitor identification • Separate high speed 2-wire bus for microcontroller access to 4K-bit Serial EEPROM • Low-power CMOS technology • 2 mA active current typical •20 µA standby current typical at 5.5V • Dual 2-wire serial interface bus • Hardware write-protect for both ports • Self-timed write cycle (including auto-erase) • Page write buffer for up to 8 bytes (DDC port) or 16 bytes (4K Port) • 100 kHz (2.5V) and 400 kHz (5V) compatibility • 1,000,000 erase/write cycles ensured • Data retention > 40 years • 8-pin PDIP package • Available for extended temperature ranges Description The Microchip Technology Inc. 24LC41 is a dual-port 128 x 8 and 512 x 8-bit Electrically Erasable PROM (EEPROM). This device is designed for use in applica- tions requiring storage and serial transmission of configuration and control information. Three modes of operation have been implemented: • Transmit-only mode for the DDC Monitor Port • Bidirectional mode for the DDC Monitor Port • Bidirectional, industry-standard 2-wire bus for the 4K Microcontroller Access Port Upon power-up, the DDC Monitor Port will be in the Transmit-only mode, repeatedly sending a serial bit stream of the entire memory array contents, clocked by the VCLK/DWP pin. A valid high-to-low transition on the DSCL pin will cause the device to enter the Bidirec- tional mode, with byte-selectable read/write capability of the memory array. The 4K-bit microcontroller port is completely independent of the DDC port, therefore, it can be accessed continuously by a microcontroller without interrupting DDC transmission activity. The 24LC41 is available in a standard 8-pin PDIP package in both commercial and industrial temperature ranges. Package Type Block Diagram - Commercial (C): 0°C to +70°C - Industrial (I): -40°C to +85°C DSCL VCLK/DWP VSS MSDA 1 2 3 4 8 7 6 5 DSDA VCC MWP MSCL PDIP EDID Table 1K Bit 4K Bit Serial EEPROM MSDA MSCL MWP DSDA VCLK/DWP DSCL 1K/4K 2.5V Dual Mode, Dual Port I2C™ Serial EEPROM Obsolete Device I2C is a registered trademark of Philips Corporation. |
Número de pieza similar - 24LC41P |
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Descripción similar - 24LC41P |
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