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23LCV1024-I/ST Datasheet(PDF) 1 Page - Microchip Technology |
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23LCV1024-I/ST Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 29 page  2012-2021 Microchip Technology Inc. DS20005156B-page 1 23LCV1024 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 µA 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: - Industrial: -40°C to +85°C • Pb-Free and RoHS Compliant, Halogen Free Packages • 8-Lead PDIP • 8-Lead SOIC • 8-Lead TSSOP 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, Serial Dual Interface (SDI) is supported if the 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). Package Types (not to scale) Device Selection Table Part Number VCC Range Dual I/O (SDI) Battery Backup Maximum Clock Frequency Packages 23LCV1024 2.5V-5.5V Yes Yes 20 MHz P, SN, ST Pin Function Table 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 PDIP/SOIC/TSSOP 1 Mbit SPI Serial SRAM with Battery Backup and SDI Interface |
Similar Part No. - 23LCV1024-I/ST |
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Similar Description - 23LCV1024-I/ST |
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