24LC21/P Datasheet

IC型號：
24LC21/P
PDF描述：
I2C Serial EEPROM
文件大小：
237.33KB
PDF頁數(shù)：
16頁
芯片廠家：
ETC

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24LC21

1K 2.5V Dual Mode I

鈩?/div>

Serial EEPROM

FEATURES

鈥?Single supply with operation down to 2.5V

鈥?Completely implements DDC1餂?DDC2餂?inter-

face for monitor identification

鈥?Low power CMOS technology

- 1 mA active current typical

- 10

碌A(chǔ)

standby current typical at 5.5V

鈥?2-wire serial interface bus, I

C餂?compatible

鈥?Self-timed write cycle (including auto-erase)

鈥?Page-write buffer for up to 8 bytes

鈥?100 kHz (2.5V) and 400 kHz (5V) compatibility

鈥?Factory programming (QTP) available

鈥?1,000,000 erase/write cycles ensured

鈥?Data retention > 200 years

鈥?8-pin PDIP and SOIC package

鈥?Available for extended temperature ranges

- Commercial (C):

0擄C to +70擄C

- Industrial (I):

-40擄C to +85擄C

PACKAGE TYPES

PDIP

CLK

SCL

SDA

24LC21

SOIC

CLK

SCL

SDA

24LC21

DESCRIPTION

The Microchip Technology Inc. 24LC21 is a 128 x 8 bit

Electrically Erasable PROM. This device is designed

for use in applications requiring storage and serial

transmission of configuration and control information.

Two modes of operation have been implemented:

Transmit Only Mode and Bi-Directional Mode. Upon

power-up, the device will be in the Transmit Only Mode,

sending a serial bit stream of the entire memory array

contents, clocked by the V

CLK

pin. A valid high to low

transition on the SCL pin will cause the device to enter

the Bi-Directional Mode, with byte selectable read/write

capability of the memory array. The 24LC21 is available

in a standard 8-pin PDIP and SOIC package in both

commercial and industrial temperature ranges.

BLOCK DIAGRAM

CLK

HV GENERATOR

I/O

CONTROL

LOGIC

MEMORY

CONTROL

LOGIC

XDEC

EEPROM

ARRAY

PAGE LATCHES

SDA

SCL

YDEC

SENSE AMP

R/W CONTROL

DDC is a trademark of the Video Electronics Standards Association.

C is a trademark of Philips Corporation.

餂?/div>

2001 Microchip Technology Inc.

DS21095H-page 1

制造商
Microchip
產(chǎn)品種類
電可擦除可編程只讀存儲器
存儲容量
1 Kbit
組織
128 x 8
Data Retention
200 yr
最大時鐘頻率
0.4 MHz
最大工作電流
3 mA
工作電源電壓
2.5 V, 5.5 V
最大工作溫度
+ 70 C
安裝風(fēng)格
Through Hole
封裝 / 箱體
PDIP-8
訪問時間
10 ms
接口類型
I2C
最小工作溫度
0 C
封裝
Tube
工廠包裝數(shù)量
60
Supply Voltage - Max
5.5 V
Supply Voltage - Min
2.5 V

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型號

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描述

廠商

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