參數(shù)資料
型號(hào)： AT24C164-10PU-1.8
廠商： ATMEL CORP
元件分類： DRAM
英文描述： Two-Wire Serial EEPROM 16K (2048 x 8)
中文描述： 2K X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8
封裝： 0.300 INCH, GREEN, PLASTIC, MS-001BA, DIP-8
文件頁(yè)數(shù)： 10/17頁(yè)
文件大小： 440K
代理商： AT24C164-10PU-1.8
10
AT24C164
0105J–SEEPR–12/06
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 cur-
rent page to first byte of the same page.
Once the device address with the read/write select bit set to one is clocked in and
acknowledged 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 condition (see Figure 10 on page 11).
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 following stop condition (see Figure 11 on page 11).
SEQUENTIAL READ:
Sequential reads are initiated by either a current address read or
a random 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 sequen-
tial read will continue. The sequential read operation is terminated when the
microcontroller does not respond with a zero but does generate a following stop condi-
tion (see Figure 12 on page 12).
Figure 7.
Device Address
相關(guān)PDF資料
PDF描述
AT24C164-10PU-2.7 Two-Wire Serial EEPROM 16K (2048 x 8)
AT24C164-10SU-1.8 Two-Wire Serial EEPROM 16K (2048 x 8)
AT24C164-10SU-2.7 Two-Wire Serial EEPROM 16K (2048 x 8)
AT24C164-W1.8-11 Two-Wire Serial EEPROM 16K (2048 x 8)
AT24C164-W2.7-11 Two-Wire Serial EEPROM 16K (2048 x 8)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT24C164-10PU-2.7 功能描述:IC EEPROM 16KBIT 1MHZ 8DIP RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:FLASH 存儲(chǔ)容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并聯(lián) 電源電壓:2.65 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP 包裝:托盤
AT24C164-10SC 功能描述:電可擦除可編程只讀存儲(chǔ)器 16k 2-Wire Bus 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
AT24C164-10SC-1.8 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Wire Serial EEPROM
AT24C16410SC18 制造商:Atmel Corporation 功能描述:
AT24C164-10SC-2.5 功能描述:電可擦除可編程只讀存儲(chǔ)器 16k 2-Wire Bus 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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