23K256-ISLASHST datasheet(1/27 Pages) MICROCHIP

部件名	23K256-I/ST

功能描述	256-Kbit SPI Bus Low-Power Serial SRAM

PDF	27 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

1 / 27 page

 2008-2022 Microchip Technology Inc. and its subsidiaries

DS20002100G-page 1

23A256/23K256

Features

• Maximum Clock 20 MHz

• Low-Power CMOS Technology:

- Read Current: 3 mA at 1 MHz

- Standby Current: 4 µA maximum at +85°C

• 32,768 x 8-bit Organization

• 32-Byte Page

•HOLD Pin

• Flexible Operating Modes:

- Byte read and write

- Page mode (32-Byte Page)

- Sequential mode

• Sequential Read/Write

• High Reliability

• Temperature Ranges Supported:

• Pb-Free and RoHS Compliant, Halogen Free

• Automotive AEC-Q100 Qualified

Description

The Microchip Technology Inc. 23X256 are 256-Kbit

Serial SRAM devices. 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.

Packages

• 8-lead PDIP

• 8-lead SOIC

• 8-lead TSSOP

Package Types (not to scale)

Device Selection Table

Part Number

VCC Range

Page Size

Temperature Ranges

Packages

23K256

2.7V-3.6V

32 Byte

I, E

P, SN, ST

23A256

1.5V-1.95V

32 Byte

I

P, SN, ST

- Industrial (I):

- Extended (E):

-40

C

-40

C

to

+85

C

+125

C

Pin Function Table

Name

Function

CS

Chip Select Input

SO

Serial Data Output

VSS

Ground

SI

Serial Data Input

SCK

Serial Clock Input

HOLD

Hold Input

VCC

Supply Voltage

Note:

23X256 is used in this document as a

generic

part

number

for

the

23A256/23K256 devices.

CS

SO

NC

VSS

1

2

3

4

8

7

6

5

VCC

HOLD

SCK

SI

PDIP/SOIC/TSSOP

256-Kbit SPI Bus Low-Power Serial SRAM

类似零件编号 - 23K256-I/ST

制造商	部件名	数据表	功能描述
Microchip Technology	23K256-I/ST	368Kb / 26P	256K SPI Bus Low-Power Serial SRAM 2010
Microchip Technology	23K256-I/ST	563Kb / 28P	256K SPI Bus Low-Power Serial SRAM 2010

More results

类似说明 - 23K256-I/ST

制造商	部件名	数据表	功能描述
STMicroelectronics	M95256	345Kb / 39P	256 Kbit Serial SPI bus EEPROM with high speed clock 21-Oct-2004
Microchip Technology	23A256	368Kb / 26P	256K SPI Bus Low-Power Serial SRAM 2010
	23A640	368Kb / 26P	64K SPI Bus Low-Power Serial SRAM 2009
	23A256	563Kb / 28P	256K SPI Bus Low-Power Serial SRAM 2010
	23A640	563Kb / 28P	64K SPI Bus Low-Power Serial SRAM 2010
STMicroelectronics	M95256-DR	504Kb / 48P	256 Kbit serial SPI bus EEPROM with high-speed clock 07-Sep-2010
STMicroelectronics	M95256-DRE	750Kb / 41P	256-Kbit serial SPI bus EEPROM - 105 C Operation 09-Feb-2015
Microchip Technology	23A640	608Kb / 28P	64K SPI Bus Low-Power Serial SRAM 08/02/11
	23A256	609Kb / 28P	256K SPI Bus Low-Power Serial SRAM 08/02/11
	23A640	611Kb / 28P	64-Kbit SPI Bus Low-Power Serial SRAM Revision F 07/2022