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參數(shù)資料
| 型號： | AT24C21 |
| 廠商： | Atmel Corp. |
| 英文描述： | Triple 3-Input Positive-NOR Gate 14-TSSOP -40 to 85 |
| 中文描述： | 2線串行EEPROM |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 252K |
| 代理商： | AT24C21 |
AT24C21
2
Block Diagram
Pin Description
SERIAL CLOCK (SCL):
The SCL input is used to positive
edge clock data into each EEPROM device and negative
edge clock data out of each device.
SERIAL DATA (SDA):
The SDA pin is bidirectional for
serial data transfer. This pin is open-drain driven and may
be wire-ORed with any number of other open drain or open
collector devices.
SERIAL CLOCK (VCLK):
Upon power-up, the device is in
the Transmit-Only mode and will transmit the entire mem-
ory contents via the SDA pin with positive signals on the
VCLK pin.
Memory Organization
AT24C21, 1K SERIAL EEPROM:
Internally organized with
128 pages of one byte each. The 1K requires a 7-bit data
word address for random word addressing.
Absolute Maximum Ratings*
Operating Temperature ................................. -55
°
C to +125
°
C
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
Storage Temperature .................................... -65
°
C to +150
°
C
Voltage on Any Pin
with Respect to Ground.....................................-1.0V to +7.0V
Maximum Operating Voltage........................................... 6.25V
DC Output Current........................................................ 5.0 mA
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| AT24C21-10PC-2.5 | 功能描述:IC EEPROM 1KBIT 100KHZ 8DIP 制造商:microchip technology 系列:- 包裝:管件 零件狀態(tài):停產(chǎn) 存儲器類型:非易失 存儲器格式:EEPROM 技術(shù):EEPROM 存儲容量:1Kb （128 x 8） 時鐘頻率:100kHz 寫周期時間 - 字，頁:10ms 訪問時間:3.5μs 存儲器接口:I2C 電壓 - 電源:2.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C（TA） 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商器件封裝:8-PDIP 基本零件編號:AT24C21 標(biāo)準(zhǔn)包裝:50 |
| AT24C21-10PI-2.5 | 功能描述:電可擦除可編程只讀存儲器 1k 2-Wire Bus RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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 |
| AT24C21-10SC-2.5 | 功能描述:電可擦除可編程只讀存儲器 1K (128X8) 2.5V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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 |
| AT24C21-10SI-2.5 | 功能描述:IC EEPROM 1KBIT 100KHZ 8SOIC 制造商:microchip technology 系列:- 包裝:管件 零件狀態(tài):停產(chǎn) 存儲器類型:非易失 存儲器格式:EEPROM 技術(shù):EEPROM 存儲容量:1Kb （128 x 8） 時鐘頻率:100kHz 寫周期時間 - 字，頁:10ms 訪問時間:3.5μs 存儲器接口:I2C 電壓 - 電源:2.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:8-SOIC 基本零件編號:AT24C21 標(biāo)準(zhǔn)包裝:100 |
| AT24C256-10CI-1.8 | 制造商:Atmel Corporation 功能描述:Serial EEPROM, 32K x 8, 8 Pin, Plastic, LCC |
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