参数资料
型号: 23K256-I/ST
厂商: Microchip Technology
文件页数: 1/28页
文件大小: 0K
描述: IC SRAM 256KBIT 20MHZ 8TSSOP
产品培训模块: 23x640 and 23x256 SRAM Overview
标准包装: 100
格式 - 存储器: RAM
存储器类型: SRAM
存储容量: 256K (32K x 8)
速度: 20MHz
接口: SPI 串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 管件
产品目录页面: 1442 (CN2011-ZH PDF)
23A256/23K256
256K SPI Bus Low-Power Serial SRAM
Device Selection Table
Part Number
23K256
23A256
V CC Range
2.7-3.6V
1.5-1.95V
Page Size
32 Byte
32 Byte
Temp. Ranges
I, E
I
Packages
P, SN, ST
P, SN, ST
Features:
? Max. Clock 20 MHz
? Low-Power CMOS Technology:
- Read Current: 3 mA at 1 MHz
- Standby Current: 4 ? A Max. 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:
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.
The 23X256 is available in standard packages
including 8-lead PDIP and SOIC, and advanced
packaging including 8-lead TSSOP.
- Industrial (I):
- Automotive (E):
-40 ? C to +85 ? C
-40 ? C to +125 ? C
Package Types (not to scale)
? Pb-Free and RoHS Compliant, Halogen Free
Pin Function Table
Name
Function
CS
SO
Chip Select Input
Serial Data Output
PDIP/SOIC/TSSOP
(P, SN, ST)
V SS
SI
SCK
HOLD
V CC
Ground
Serial Data Input
Serial Clock Input
Hold Input
Supply Voltage
CS
SO
NC
V SS
1
2
3
4
8
7
6
5
V CC
HOLD
SCK
SI
? 2008-2011 Microchip Technology Inc.
DS22100F-page 1
相关PDF资料
PDF描述
24AA512T-I/MF IC EEPROM 512KBIT 400KHZ 8DFN
24LC256-I/MF IC EEPROM 256KBIT 400KHZ 8DFN
25C040-I/SN IC EEPROM 4KBIT 3MHZ 8SOIC
ASM25DRKF-S13 CONN EDGECARD 50POS .156 EXTEND
RSA49DTKN CONN EDGECARD 98POS DIP .125 SLD
相关代理商/技术参数
参数描述
23K256T-E/P 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Low-Power Serial SRAM
23K256T-E/SN 功能描述:静态随机存取存储器 256K 32K X 8 2.7V SERIAL 静态随机存取存储器 EXT RoHS:否 制造商:Cypress Semiconductor 存储容量:16 Mbit 组织:1 M x 16 访问时间:55 ns 电源电压-最大:3.6 V 电源电压-最小:2.2 V 最大工作电流:22 uA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TSOP-48 封装:Tray
23K256T-E/ST 功能描述:静态随机存取存储器 256K 32K X 8 2.7V SERIAL 静态随机存取存储器 EXT RoHS:否 制造商:Cypress Semiconductor 存储容量:16 Mbit 组织:1 M x 16 访问时间:55 ns 电源电压-最大:3.6 V 电源电压-最小:2.2 V 最大工作电流:22 uA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TSOP-48 封装:Tray
23K256T-I/P 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Low-Power Serial SRAM
23K256T-I/SN 功能描述:静态随机存取存储器 256K 32K X 8 2.7V SERIAL 静态随机存取存储器 IND RoHS:否 制造商:Cypress Semiconductor 存储容量:16 Mbit 组织:1 M x 16 访问时间:55 ns 电源电压-最大:3.6 V 电源电压-最小:2.2 V 最大工作电流:22 uA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:TSOP-48 封装:Tray