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参数资料
型号： 25LC020AT-I/MNY
厂商： Microchip Technology
文件页数： 1/38页
文件大小： 0K
描述： IC EEPROM SER 2K 2.5V 8TDFN
标准包装： 3,300
格式 - 存储器： EEPROMs - 串行
存储器类型： EEPROM
存储容量： 2K (256 x 8)
速度： 10MHz
接口： SPI 3 线串行
电源电压： 2.5 V ~ 5.5 V
工作温度： -40°C ~ 85°C
封装/外壳： 8-WFDFN 裸露焊盘
供应商设备封装： 8-TDFN（2x3）
包装： 带卷 (TR)
25AA020A/25LC020A
2K SPI Bus Serial EEPROM
Device Selection Table
Part Number
25AA020A
25LC020A
V CC Range
1.8-5.5V
2.5-5.5V
Page Size
16 Bytes
16 Bytes
Temp. Ranges
I
I, E
Packages
P, MS, SN, ST, MN, MC, OT
P, MS, SN, ST, MN, MC, OT
(ST, MS)
Features:
? 10 MHz max. Clock Frequency
? Low-Power CMOS Technology:
- Max. Write Current: 5 mA at 5.5V, 10 MHz
- Read Current: 5 mA at 5.5V, 10 MHz
- Standby Current: 5 ? A at 5.5V
? 256 x 8-bit Organization
? Write Page mode (up to 16 bytes)
? Sequential Read
? Self-Timed Erase and Write Cycles (5 ms max.)
? Block Write Protection:
- 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:
- Endurance: 1,000,000 Erase/Write cycles
- Data retention: >200 years
- ESD protection: >4000V
Description:
The Microchip Technology Inc. 25XX020A* is a 2 Kbit
Serial Electrically Erasable Programmable Read-Only
Memory (EEPROM). 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, transi-
tions on its inputs will be ignored, with the exception of
Chip Select, allowing the host to service higher priority
interrupts.
The 25XX020A is available in standard packages
including 8-lead PDIP and SOIC, and advanced
packages including 8-lead MSOP, 8-lead TSSOP and
rotated TSSOP, 8-lead 2x3 DFN and TDFN, and 6-lead
SOT-23.
Package Types (not to scale)
TSSOP/MSOP PDIP/SOIC
(P, SN)
? Temperature Ranges Supported:
- Industrial (I): -40 ? C to +85 ? C
- Automotive (E): -40 ? C to +125 ? C
? Pb-Free and RoHS Compliant
CS
SO
WP
V SS
1
2
3
4
8
7
6
5
V CC
HOLD
SCK
SI
CS
SO
WP
V SS
1
2
3
4
8
7
6
5
V CC
HOLD
SCK
SI
Pin Function Table
Name
Function
SCK
SOT-23
(OT)
1 6
V DD
DFN/TDFN
(MC, MN)
CS 1 8 V CC
CS
SO
Chip Select Input
Serial Data Output
V SS
SI
2
3
5
4
CS
SO
SO 2
WP 3
7 HOLD
6 SCK
WP
V SS
SI
Write-Protect
Ground
Serial Data Input
V SS 4
X-Rotated TSSOP
(X/ST)
5 SI
SCK
HOLD
Serial Clock Input
Hold Input
HOLD
V CC
CS
SO
1
2
3
4
8
7
6
5
SCK
SI
V SS
WP
V CC
Supply Voltage
*25XX020A is used in this document as a generic part number for the
25AA020A and the 25LC020A.
? 2003-2011 Microchip Technology Inc.
DS21833F-page 1
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25LC040 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4K SPI ⑩ Bus Serial EEPROM
25LC040/P 功能描述:电可擦除可编程只读存储器 512x8 2.5V 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
25LC040/P 制造商:Microchip Technology Inc 功能描述:IC EEPROM SERIAL 4K 25LC040 DIP8
25LC040/S 制造商:Microchip Technology Inc 功能描述:4K, 512 X 8 , 2.5V SER EE, DI - Gel-pak, waffle pack, wafer, diced wafer on film
25LC040/SN 功能描述:电可擦除可编程只读存储器 512x8 - 2.5V 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
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