參數(shù)資料
型號(hào): AT45DB021B-RU
廠商: ATMEL CORP
元件分類: DRAM
英文描述: 2-megabit 2.7-volt Only DataFlash
中文描述: 2M X 1 FLASH 2.7V PROM, PDSO28
封裝: 0.330 INCH, GREEN, PLASTIC, SOIC-28
文件頁(yè)數(shù): 16/32頁(yè)
文件大?。?/td> 304K
代理商: AT45DB021B-RU
16
1937J–DFLSH–9/05
AT45DB021B
9.3
Reset Timing (Inactive Clock Polarity Low Shown)
Note:
The CS signal should be in the high state before the RESET signal is deasserted.
9.4
Command Sequence for Read/Write Operations (except Status Register Read)
Notes:
1. “r” designates bits reserved for larger densities.
2. It is recommended that “r” be a logical “0” for densities of 2M bits or smaller.
3. For densities larger than 2M bits, the “r” bits become the most significant Page Address bit for the appropriate density.
CS
SCK
RESET
SO
HIGH IMPEDANCE
HIGH IMPEDANCE
SI
tRST
tREC
tCSS
SI
CMD
8 bits
8 bits
8 bits
MSB
Reserved for
larger densities
Page Address
(PA9-PA0)
Byte/Buffer Address
(BA8-BA0/BFA8-BFA0)
LSB
r r r r r X X X
X X X X X X X X
X X X X X X X X
相關(guān)PDF資料
PDF描述
AT45DB021B-SU 2-megabit 2.7-volt Only DataFlash
AT45DB021B-TU 2-megabit 2.7-volt Only DataFlash
AT45DB021B-SC 2-megabit 2.7-volt Only DataFlash??
AT45DB021B-CC 2-megabit 2.7-volt Only DataFlash??
AT45DB021B-CI 2-megabit 2.7-volt Only DataFlash??
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT45DB021B-SC 功能描述:閃存 2M SERIAL 2.7V - 8 COM TEMP RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問(wèn)時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
AT45DB021B-SI 功能描述:閃存 2M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問(wèn)時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
AT45DB021B-SU 功能描述:閃存 2M 8 I/O Pins SPI 264B 2.7V RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問(wèn)時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
AT45DB021B-TC 功能描述:閃存 2M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問(wèn)時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
AT45DB021BTI 制造商:Atmel Corporation 功能描述: