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23LCV1024 数据表(PDF) 15 Page - Microchip Technology

部件名 23LCV1024
功能描述  1 Mbit SPI Serial SRAM with Battery Backup and SDI Interface
PDF  30 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

23LCV1024 数据表(HTML) 15 Page - Microchip Technology

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 2012 Microchip Technology Inc.
Preliminary
DS25156A-page 15
23LCV1024
5.0
VBAT
The 23LCV1024 features an internal switch that will
maintain the SRAM contents. In the event that the VCC
supply is not available, the voltage applied to the VBAT
pin serves as the backup supply.
The VBAT trip point is the point at which the internal
switch operates the device from the VBAT supply and
is typically 1.8V (VTRIP specification D012). When VCC
falls below the VTRIP point the system will continue to
maintain the SRAM contents.
The following conditions apply:
Supply Condition
Read/Write Access
Powered By
VCC < VTRIP, VCC < VBAT
No
VBAT
VCC > VTRIP, VCC < VBAT
Yes
VCC
VCC > VTRIP, VCC > VBAT
Yes
VCC



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