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参数资料
| 型号： | AT24C02A-10TI-1.8 SL383 |
| 厂商： | Atmel |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 2KBIT 400KHZ 8TSSOP |
| 标准包装： | 3,000 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 2K (256 x 8) |
| 速度： | 100kHz，400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.8 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： | 带卷 (TR) |
| 其它名称： | AT24C02A10TI18SL3 |
Device Addressing
The 2K and 4K EEPROM devices require an 8-bit device address word following a start
condition to enable the chip for a read or write operation, as shown in Figure 7.
Figure 7. Device Address
2K
1 0 1 0 A 2 A 1 A 0 R/W
MSB
LSB
4K
1 0 1 0 A 2 A 1 P0 R/W
The device address word consists of a mandatory “1”, “0” sequence for the first four
most significant bits as shown. This is common to all the EEPROM devices.
The next three bits are the A2, A1 and A0 device address bits for the 2K EEPROM.
These three bits must compare to their corresponding hardwired input pins.
The 4K EEPROM only uses the A2 and A1 device address bits with the third bit being a
memory page address bit. The two device address bits must compare to their corre-
sponding hardwired input pins. The A0 pin is no-connect.
The eighth bit of the device address is the read/write operation select bit. A read opera-
tion is initiated if this bit is high, and a write operation is initiated if this bit is low.
Upon a compare of the device address, the EEPROM will output a “0”. If a compare is
not made, the chip will return to a standby state.
Write Operations
BYTE WRITE: A write operation requires an 8-bit data word address following the
device address word and acknowledgement. Upon receipt of this address, the EEPROM
will again respond with a “0” and then clock in the first 8-bit data word. Following receipt
of the 8-bit data word, the EEPROM will output a “0” and the addressing device, such as
a microcontroller, must terminate the write sequence with a stop condition. At this time,
the EEPROM enters an internally-timed write cycle, t WR , to the nonvolatile memory. All
inputs are disabled during this write cycle, and the EEPROM will not respond until the
write is complete, see Figure 8 on page 8.
Figure 8. Byte Write
S
T
A
R
T
DEVICE
ADDRE SS
W
R
I
T
E
WORD ADDRE SS
DATA
S
T
O
P
S DA LINE
M
S
B
L R A M
S / C S
B W K B
L A
S C
B K
A
C
K
PAGE WRITE: The 2K EEPROM is capable of an 8-byte page write, and the 4K device
is capable of 16-byte page writes.
8
AT24C02A/04A
0976Q–SEEPR–8/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C02A-10TI-2.5 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-Wire Serial EEPROM |
| AT24C02A-10TI-2.7 | 功能描述:IC EEPROM 2KBIT 400KHZ 8TSSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘 |
| AT24C02A-10TI-2.7 SL383 | 功能描述:IC EEPROM 2KBIT 400KHZ 8TSSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并联 电源电压:2.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘 |
| AT24C02A-10TI-2.7-T | 功能描述:IC EEPROM 2KBIT 400KHZ 8TSSOP 制造商:microchip technology 系列:- 包装:带卷（TR） 零件状态:停產 存储器类型:非易失 存储器格式:EEPROM 技术:EEPROM 存储容量:2Kb （256 x 8） 时钟频率:400kHz 写周期时间 - 字，页:5ms 访问时间:900ns 存储器接口:I2C 电压 - 电源:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:8-TSSOP（0.173"，4.40mm 宽） 供应商器件封装:8-TSSOP 基本零件编号:AT24C02 标准包装:3,000 |
| AT24C02A-10TQ-2.7 | 制造商:Atmel Corporation 功能描述:256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8 |
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