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參數資料
| 型號： | AT24C08AY5-10YU-1.8 |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | CONN MODULAR 6PINR.ANG.SEALED CASE |
| 中文描述： | 1K X 8 I2C/2-WIRE SERIAL EEPROM, DSO8 |
| 封裝： | 2 X 3 MM, GREEN, MAP-8 |
| 文件頁數： | 10/24頁 |
| 文件大?。?/td> | 445K |
| 代理商： | AT24C08AY5-10YU-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PDF資料 |
PDF描述 |
|---|---|
| AT24C16AY5-10YU-1.8 | CONN RJ-12 SHIELDED |
| AT24C16A-10PI-1.8 | DB9 M/F 9C, 6FT |
| AT24C16A-10PI-2.7 | DB9 M/F 9C, 12FT. |
| AT24C16N-10SC | DB25M-DB25F CABLE PREMIUM6-FT |
| AT24C16N-10SC-2.5 | DB25M-DB25M CABLE PREMIUM2-FT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AT24C08AY6-10YH-1.8 | 功能描述:電可擦除可編程只讀存儲器 8 ULTRA THIN MINI MAP 1.8V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| AT24C08AY6-10YH-1.8 SL383 | 功能描述:IC EEPROM 8KBIT 400KHZ 8DFN RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1 系列:- 格式 - 存儲器:RAM 存儲器類型:SDRAM 存儲容量:256M（8Mx32） 速度:143MHz 接口:并聯 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應商設備封裝:90-VFBGA（8x13） 包裝:托盤 其它名稱:Q2841869 |
| AT24C08AY6-10YH-1.8-T | 功能描述:IC EEPROM 8KBIT 400KHZ 8MINIMAP 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):Digi-Key 停止供應 存儲器類型:非易失 存儲器格式:EEPROM 技術:EEPROM 存儲容量:8Kb （1K x 8） 時鐘頻率:400kHz 寫周期時間 - 字，頁:5ms 訪問時間:4.5μs 存儲器接口:I2C 電壓 - 電源:1.8 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-UFDFN 裸露焊盤 供應商器件封裝:8-Mini Map（2x3） 基本零件編號:AT24C08 標準包裝:1 |
| AT24C08B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Two-wire Serial EEPROM |
| AT24C08BN-SH-B | 功能描述:電可擦除可編程只讀存儲器 8K 1.8V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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