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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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25LC256T-E/ST Folha de dados(PDF) 1 Page - Microchip Technology |
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25LC256T-E/ST Folha de dados(HTML) 1 Page - Microchip Technology |
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1 / 32 page  2003-2013 Microchip Technology Inc. DS21822G-page 1 25AA256/25LC256 Device Selection Table Features: • Max. Clock 10 MHz • Low-Power CMOS Technology: - Max. Write Current: 5 mA at 5.5V, 10 MHz - Read Current: 6 mA at 5.5V, 10 MHz - Standby Current: 1 A at 5.5V • 32,768 x 8-bit Organization • 64-Byte Page • Self-Timed Erase and Write Cycles (5 ms max.) • Block Write Protection: - Protect none, 1/4, 1/2 or all of array • Built-In Write Protection: - Power-on/off data protection circuitry - Write enable latch - Write-protect pin • Sequential Read • High Reliability: - Endurance: 1,000,000 erase/write cycles - Data retention: > 200 years - ESD protection: > 4000V • Temperature Ranges Supported: • Pb-Free and RoHS Compliant Pin Function Table Description: The Microchip Technology Inc. 25AA256/25LC256 (25XX256*) are 256 Kbit Serial Electrically Erasable PROMs. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a Chip Select (CS) input. Communication to the device can be paused via the hold pin (HOLD). While the device is paused, transitions on its inputs will be ignored, with the exception of Chip Select, allowing the host to service higher priority interrupts. The 25XX256 is available in standard packages includ- ing 8-lead PDIP and SOIC, and advanced packaging including 8-lead DFN and 8-lead TSSOP. Package Types (not to scale) Part Number VCC Range Page Size Temp. Ranges Packages 25LC256 2.5-5.5V 64 Byte I, E P, SN, SM, ST, MF 25AA256 1.8-5.5V 64 Byte I, E P, SN, SM, ST, MF - Industrial (I): -40 Cto +85C - Automotive (E): -40°C to +125°C Name Function CS Chip Select Input SO Serial Data Output WP Write-Protect VSS Ground SI Serial Data Input SCK Serial Clock Input HOLD Hold Input VCC Supply Voltage CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI PDIP/SOIC (P, SN, SM) TSSOP (ST) DFN CS SO WP VSS HOLD SCK SI 5 6 7 8 4 3 2 1 VCC (MF) 8 7 6 5 1 2 3 4 HOLD VCC CS SO SCK SI VSS WP Rotated TSSOP (ST) 8 7 6 5 1 2 3 4 HOLD VCC CS SO SCK SI VSS WP 256K SPI Bus Serial EEPROM * 25XX256 is used in this document as a generic part number for the 25AA256/25LC256 devices. |
Nº de peça semelhante - 25LC256T-E/ST |
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Descrição semelhante - 25LC256T-E/ST |
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