參數(shù)資料
型號(hào)： AT24C16AN-10SU-1.8
廠商： ATMEL CORP
元件分類(lèi)： DRAM
英文描述： 24 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述： 2K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
封裝： 0.150 INCH, GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁(yè)數(shù)： 10/24頁(yè)
文件大?。?/td> 445K
代理商： AT24C16AN-10SU-1.8
10
AT24C01A/02/04/08A/16A
0180V–SEEPR–8/05
ACKNOWLEDGE POLLING:
Once the internally timed write cycle has started and the
EEPROM inputs are disabled, acknowledge polling can be initiated. This involves sending a
start condition followed by the device address word. The read/write bit is representative of the
operation desired. Only if the internal write cycle has completed will the EEPROM respond
with a zero allowing the read or write sequence to continue.
Read
Operations
Read operations are initiated the same way as write operations with the exception that the
read/write select bit in the device address word is set to one. There are three read operations:
current address read, random address read and sequential read.
CURRENT ADDRESS READ:
The internal data word address counter maintains the last
address accessed during the last read or write operation, incremented by one. This address
stays valid between operations as long as the chip power is maintained. The address “roll
over” during read is from the last byte of the last memory page to the first byte of the first page.
The address “roll over” during write is from the last byte of the current page to the first byte of
the same page.
Once the device address with the read/write select bit set to one is clocked in and acknowl-
edged by the EEPROM, the current address data word is serially clocked out. The
microcontroller does not respond with an input zero but does generate a following stop condi-
tion (see Figure 10 on page 12).
RANDOM READ:
A random read requires a “dummy” byte write sequence to load in the data
word address. Once the device address word and data word address are clocked in and
acknowledged by the EEPROM, the microcontroller must generate another start condition.
The microcontroller now initiates a current address read by sending a device address with the
read/write select bit high. The EEPROM acknowledges the device address and serially clocks
out the data word. The microcontroller does not respond with a zero but does generate a fol-
lowing stop condition (see Figure 11 on page 12).
SEQUENTIAL READ:
Sequential reads are initiated by either a current address read or a ran-
dom address read. After the microcontroller receives a data word, it responds with an
acknowledge. As long as the EEPROM receives an acknowledge, it will continue to increment
the data word address and serially clock out sequential data words. When the memory
address limit is reached, the data word address will “roll over” and the sequential read will con-
tinue. The sequential read operation is terminated when the microcontroller does not respond
with a zero but does generate a following stop condition (see Figure 12 on page 12).
相關(guān)PDF資料
PDF描述
AT24C01A-10SU-2.7 24 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
AT24C08AN-10SU-2.7 24 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
AT24C16AN-10SU-2.7 24 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
AT24C01A-10TC-1.8 122 x 32 pixel format, Compact LCD size
AT24C08-10TC-1.8 122 x 32 pixel format, Compact LCD size
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT24C16AN-10SU-2.7 功能描述:電可擦除可編程只讀存儲(chǔ)器 Serial 電可擦除可編程只讀存儲(chǔ)器 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
AT24C16AN-10SU-2.7 SL383 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 16K-bit 2K x 8 3.3V/5V 8-Pin SOIC T/R
AT24C16AN-10SU-2.7-T 功能描述:IC EEPROM 16KBIT 400KHZ 8SOIC 制造商:microchip technology 系列:- 包裝:帶卷（TR） 零件狀態(tài):停產(chǎn) 存儲(chǔ)器類(lèi)型:非易失 存儲(chǔ)器格式:EEPROM 技術(shù):EEPROM 存儲(chǔ)容量:16Kb （2K x 8） 時(shí)鐘頻率:400kHz 寫(xiě)周期時(shí)間 - 字，頁(yè):5ms 訪問(wèn)時(shí)間:4.5μs 存儲(chǔ)器接口:I2C 電壓 - 電源:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C（TA） 安裝類(lèi)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(hào):AT24C16 標(biāo)準(zhǔn)包裝:4,000
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AT24C16A-W1.8-11 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:2-Wire Serial EEPROM
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