CAT25640
64-Kb SPI Serial CMOS
EEPROM
Description
The CAT25640 is a 64 ? Kb Serial CMOS EEPROM device
internally organized as 8Kx8 bits. This features a 64 ? byte page write
buffer and supports the Serial Peripheral Interface (SPI) protocol. The
device is enabled through a Chip Select (CS) input. In addition, the
required bus signals are clock input (SCK), data input (SI) and data
output (SO) lines. The HOLD input may be used to pause any serial
http://onsemi.com
communication with the CAT25640 device. The device features
software and hardware write protection, including partial as well as
full array protection.
SOIC ? 8
V SUFFIX
CASE 751BD
UDFN ? 8*
HU3 SUFFIX
CASE 517AX
TDFN ? 8*
VP2 SUFFIX
CASE 511AK
Features
V CC
?
?
?
?
?
?
?
?
?
?
?
?
?
20 MHz (5 V) SPI Compatible
1.8 V to 5.5 V Supply Voltage Range
SPI Modes (0,0) & (1,1)
64 ? byte Page Write Buffer
Self ? timed Write Cycle
Hardware and Software Protection
Block Write Protection
? Protect 1 / 4 , 1 / 2 or Entire EEPROM Array
Low Power CMOS Technology
1,000,000 Program/Erase Cycles
100 Year Data Retention
Industrial and Extended Temperature Range
PDIP, SOIC, TSSOP 8 ? lead, TDFN and UDFN 8 ? pad Packages
This Device is Pb ? Free, Halogen Free/BFR Free, and RoHS
Compliant
PDIP ? 8 UDFN ? 8 TSSOP ? 8
L SUFFIX HU4 SUFFIX Y SUFFIX
CASE 646AA CASE 517AZ CASE 948AL
PIN CONFIGURATION
CS 1
SO HOLD
WP SCK
V SS SI
PDIP (L), SOIC (V), TSSOP (Y),
TDFN* (VP2), UDFN* (HU3), UDFN (HU4)
* Not recommended for new designs
V CC
PIN FUNCTION
SI
CS
Pin Name
CS
Function
Chip Select
WP
CAT25640
SO
SO
Serial Data Output
HOLD
SCK
V SS
Figure 1. Functional Symbol
WP
V SS
SI
SCK
HOLD
V CC
Write Protect
Ground
Serial Data Input
Serial Clock
Hold Transmission Input
Power Supply
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 19 of this data sheet.
? Semiconductor Components Industries, LLC, 2012
May, 2012 ? Rev. 10
1
Publication Order Number:
CAT25640/D
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相关代理商/技术参数
CAT25640VI-G 功能描述:电可擦除可编程只读存储器 CMOS 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT25640VI-G 制造商:ON Semiconductor 功能描述:IC EEPROM 64KBIT SERIAL 10MHZ SOIC-8 制造商:ON Semiconductor 功能描述:IC, EEPROM, 64KBIT, SERIAL, 10MHZ SOIC-8
CAT25640VI-GT3 功能描述:电可擦除可编程只读存储器 (8192x8) 64K 1.8-5.5 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT25640VP2I-GT3 功能描述:电可擦除可编程只读存储器 64K SPI Serial RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT25640VP2IGT3E 制造商:ON Semiconductor 功能描述:
CAT25640YE-GE 制造商:ON Semiconductor 功能描述:
CAT25640YI-G 功能描述:电可擦除可编程只读存储器 CMOS 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT25640YI-GT3 功能描述:电可擦除可编程只读存储器 (8192x8) 64K 1.8-5.5 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8