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23LCV1024T-E Datasheet(PDF) 1 Page - Microchip Technology |
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23LCV1024T-E Datasheet(HTML) 1 Page - Microchip Technology |
1 / 30 page 2012 Microchip Technology Inc. Preliminary DS25156A-page 1 23LCV1024 Device Selection Table Features: • SPI-Compatible Bus Interface: - 20 MHz Clock rate - SPI/SDI mode • Low-Power CMOS Technology: - Read Current: 3 mA at 5.5V, 20 MHz - Standby Current: 4 A at +85°C • Unlimited Read and Write Cycles • External Battery Backup Support • Zero Write Time • 128K x 8-bit Organization: - 32-byte page • Byte, Page and Sequential mode for Reads and Writes • High Reliability • Temperature Range Supported: • Pb-Free and RoHS Compliant, Halogen Free • 8-Lead SOIC, TSSOP and PDIP Packages Pin Function Table Description: The Microchip Technology Inc. 23LCV1024 is a 1 Mbit Serial SRAM device. 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. Additionally, SDI (Serial Dual Inter- face) is supported if your application needs faster data rates. This device also supports unlimited reads and writes to the memory array, and supports data backup via an external battery/coin cell connected to VBAT (pin 7). The 23LCV1024 is available in standard packages including 8-lead SOIC, PDIP and advanced 8-lead TSSOP. Package Types (not to scale) Part Number VCC Range Dual I/O (SDI) Battery Backup Max. Clock Frequency Packages 23LCV1024 2.5-5.5V Yes Yes 20 MHz SN, ST, P - Industrial (I): -40 Cto +85C Name Function CS Chip Select Input SO/SIO1 Serial Output/SDI Pin Vss Ground SI/SIO0 Serial Input/SDI Pin SCK Serial Clock VBAT External Backup Supply Input Vcc Power Supply CS SO/SIO1 NC Vss Vcc VBAT SCK SI/SIO0 1 2 3 4 8 7 6 5 SOIC/TSSOP/PDIP 1 Mbit SPI Serial SRAM with Battery Backup and SDI Interface |
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