參數(shù)資料
型號(hào)： 24LC21
廠商： Microchip Technology Inc.
英文描述： 1K 2.5V Dual Mode I 2 C Serial EEPROM
中文描述： 一千2.5V的雙模式的I 2 C串行EEPROM
文件頁數(shù)： 1/12頁
文件大?。?/td> 81K
代理商： 24LC21
1996 Microchip Technology Inc.
DS21095F-page 1
FEATURES
Single supply with operation down to 2.5V
Completely implements DDC1
face for monitor identification
Low power CMOS technology
- 1 mA active current typical
- 10
μ
A standby current typical at 5.5V
2-wire serial interface bus, I
Self-timed write cycle (including auto-erase)
Page-write buffer for up to 8 bytes
100 kHz (2.5V) and 400 kHz (5V) compatibility
Factory programming (QTP) available
1,000,000 erase/write cycles guaranteed
Data retention > 200 years
8-pin PDIP and SOIC package
Available for extended temperature ranges
- Commercial (C):
- Industrial (I):
/DDC2
inter-
2
C
compatible
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 trans-
mission 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 VCLK 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.
0C to +70C
-40C to +85C
PACKAGE TYPES
BLOCK DIAGRAM
2
NC
NC
NC
V
SS
1
2
3
4
8
7
6
5
V
CC
VCLK
SCL
SDA
2
NC
NC
NC
V
SS
1
2
3
4
8
7
5
5
V
CC
VCLK
SCL
SDA
PDIP
SOIC
HV GENERATOR
EEPROM
ARRAY
PAGE LATCHES
YDEC
XDEC
SENSE AMP
R/W CONTROL
MEMORY
CONTROL
LOGIC
I/O
CONTROL
LOGIC
VCLK
SDA
SCL
V
CC
V
SS
24LC21
1K 2.5V Dual Mode I
2
C
Serial EEPROM
DDC is a trademark of the Video Electronics StandarDs Association.
I
C is a trademark of Philips Corporation.
This document was created with FrameMaker 4 0 4
相關(guān)PDF資料
PDF描述
24LC21-P Connector; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes
24LC21-SN 1K 2.5V Dual Mode I 2 C Serial EEPROM
24LC21A 1K 2.5V Dual Mode I 2 C Serial EEPROM
24LC21A-IP 1K 2.5V Dual Mode I 2 C Serial EEPROM
24LC21A-ISN 1K 2.5V Dual Mode I 2 C Serial EEPROM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
24LC21/P 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V Dual Mode RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
24LC21/SN 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V Dual Mode RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
24LC211/P 制造商:Microchip Technology Inc 功能描述:
24LC21A/P 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V Dual Mode RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
24LC21A/SN 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V Dual Mode RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8
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