Datasheet > 23LCV1024-IST

23LCV1024-IST

更新时间： 2024-11-15 12:31:43

品牌	Logo	应用领域
美国微芯 - MICROCHIP		电池静态存储器
页数	文件大小	规格书
30页	700K
描述
1 Mbit SPI Serial SRAM with Battery Backup and SDI Interface

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23LCV1024-IST 数据手册

23LCV1024

1 Mbit SPI Serial SRAM with Battery Backup and SDI Interface

Device Selection Table

Part

Number

Dual I/O

(SDI)

Battery

Backup

Max. Clock

Frequency

VCC Range

Packages

SN, ST, P

23LCV1024

2.5-5.5V

Yes

20 MHz

Features:

Description:

• SPI-Compatible Bus Interface:

- 20 MHz Clock rate

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.

- 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

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).

• 128K x 8-bit Organization:

- 32-byte page

The 23LCV1024 is available in standard packages

including 8-lead SOIC, PDIP and advanced 8-lead

TSSOP.

• Byte, Page and Sequential mode for Reads and

Writes

• High Reliability

• Temperature Range Supported:

Package Types (not to scale)

- Industrial (I):

-40C to +85C

• Pb-Free and RoHS Compliant, Halogen Free

• 8-Lead SOIC, TSSOP and PDIP Packages

Pin Function Table

SOIC/TSSOP/PDIP

Name

Function

Vcc

Chip Select Input

SO/SIO1

VBAT

SO/SIO1

Vss

Serial Output/SDI Pin

Ground

SCK

Vss

SI/SIO0

SCK

Serial Input/SDI Pin

Serial Clock

VBAT

External Backup Supply Input

Power Supply

Vcc

 2012 Microchip Technology Inc.

Preliminary

DS25156A-page 1

12 3 4 5 6 7...30

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