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25LC1024
1 Mbit SPI Bus Serial EEPROM
Device Selection Table
Part Number
25LC1024
V CC Range
2.5-5.5V
Page Size
256 Byte
Temp. Ranges
I,E
Packages
P, SM, MF
Features:
? 20 MHz max. Clock Speed
? Byte and Page-level Write Operations:
- 256 byte page
- 6 ms max. write cycle time
- No page or sector erase required
? Low-Power CMOS Technology:
- Max. Write current: 5 mA at 5.5V, 20 MHz
- Read current: 7 mA at 5.5V, 20 MHz
- Standby current: 1 ? A at 2.5V
(Deep power-down)
? Electronic Signature for Device ID
? Self-Timed Erase and Write Cycles:
- Page Erase (6 ms max.)
- Sector Erase (10 ms max.)
- Chip Erase (10 ms max.)
? Sector Write Protection (32K byte/sector):
- Protect none, 1/4, 1/2 or all of array
? Built-In Write Protection:
- Power-on/off data protection circuitry
- Write enable latch
- Write-protect pin
? High Reliability:
Description:
The Microchip Technology Inc. 25LC1024 is a 1024
Kbit serial EEPROM memory with byte-level and page-
level serial EEPROM functions. It also features Page,
Sector and Chip erase functions typically associated
with Flash-based products. These functions are not
required for byte or page write operations. 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
by a Chip Select (CS) input.
Communication to the device can be paused via the
hold pin (HOLD). While the device is paused, transi-
tions on its inputs will be ignored, with the exception of
Chip Select, allowing the host to service higher priority
interrupts.
The 25LC1024 is available in standard packages
including 8-lead PDIP and SOIJ, and advanced 8-lead
DFN package. All devices are Pb-free.
Package Types (not to scale)
- Endurance: 1M erase/write cycles
- Data Retention: >200 years
- ESD Protection: >4000V
? Temperature Ranges Supported:
- Industrial (I): -40 ? C to +85 ? C
- Automotive (E): -40°C to +125°C
CS 1
SO 2
WP 3
DFN
(MF)
8
7
6
V CC
HOLD
SCK
CS
SO
WP
PDIP/SOIJ
(P, SM)
1 8
2 7
3 6
V CC
HOLD
SCK
? Pb-Free and RoHS Compliant
V SS 4
5
SI
V SS
4
5
SI
? 2010 Microchip Technology Inc.
DS22064D-page 1
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相关代理商/技术参数
25LC1024T-E/P
制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1 Mbit SPI Bus Serial EEPROM
25LC1024T-E/SM
功能描述:电可擦除可编程只读存储器 128K x 8 - 2.5-5.5V 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
25LC1024T-E/SN
功能描述:电可擦除可编程只读存储器 1024k128KX8 2.5V SER EE EXT, SOIC 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
25LC1024T-E/ST
功能描述:电可擦除可编程只读存储器 1024k128KX8 2.5V SER EE EXT, TSSOP 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
25LC1024T-I/MF
功能描述:电可擦除可编程只读存储器 128K x 8 - 2.5-5.5V 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
25LC1024T-I/P
制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1 Mbit SPI Bus Serial EEPROM
25LC1024T-I/SM
功能描述:电可擦除可编程只读存储器 128K x 8 - 2.5-5.5V 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
25LC1024T-I/SMG
功能描述:电可擦除可编程只读存储器 128K x 8 - 2.5-5.5V Lead Free Package
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