参数资料
型号: AT24C1024B-TH25-B
厂商: Atmel
文件页数: 6/25页
文件大小: 0K
描述: IC EEPROM 1MBIT 1MHZ 8TSSOP
标准包装: 100
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 1M (128K x 8)
速度: 1MHz
接口: I²C,2 线串口
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 管件
产品目录页面: 1456 (CN2011-ZH PDF)
STOP CONDITION: A low-to-high transition of SDA with SCL high is a stop condition. After a
read sequence, the Stop command will place the EEPROM in a standby power mode (see Fig-
ure 4-5 on page 8 ).
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from the
EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to acknowl-
edge that it has received each word.
STANDBY MODE: The AT24C1024B features a low-power standby mode which is enabled: a)
upon power-up and b) after the receipt of the stop bit and the completion of any internal
operations.
SOFTWARE RESET: After an interruption in protocol, power loss or system reset, any 2-wire
part can be protocol reset by following these steps: (a) Create a start bit condition, (b) clock 9
cycles, (c) create another start bit followed by stop bit condition as shown below. The device is
ready for next communication after above steps have been completed.
Figure 4-1.
Software Reset
Start bit
Dummy Clock Cycles
Start bit
Stop bit
SCL
1
2
3
8
9
SDA
Figure 4-2.
Bus Timing (SCL: Serial Clock, SDA: Serial Data I/O ? )
t F
t HIGH
t R
SCL
t LOW
t LOW
t SU.STA
t HD.STA
t HD.DAT
t SU.DAT
t SU.STO
SDA IN
6
SDA OUT
AT24C1024B
t AA
t DH
t BUF
5194F–SEEPR–1/08
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AT24C1024B-W-11 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Two-wire Serial EEPROM 1M (131,072 x 8)