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参数资料
| 型号： | AT24C01A-10TU-2.7 |
| 厂商： | Atmel |
| 文件页数： | 3/27页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 1KBIT 400KHZ 8TSSOP |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 1K (128 x 8) |
| 速度： | 400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.7 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 |
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AT24C01A/02/04/08A/16A
Pin Description
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each
EEPROM device and negative edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is
open-drain driven and may be wire-ORed with any number of other open-drain or open-
collector devices.
DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device
address inputs that are hard wired for the AT24C01A and the AT24C02. As many as
eight 1K/2K devices may be addressed on a single bus system (device addressing is
discussed in detail under the Device Addressing section).
The AT24C04 uses the A2 and A1 inputs for hard wire addressing and a total of four 4K
devices may be addressed on a single bus system. The A0 pin is a no connect and can
be connected to ground.
The AT24C08A only uses the A2 input for hardwire addressing and a total of two 8K
devices may be addressed on a single bus system. The A0 and A1 pins are no connects
and can be connected to ground.
The AT24C16A does not use the device address pins, which limits the number of
devices on a single bus to one. The A0, A1 and A2 pins are no connects and can be
connected to ground.
WRITE PROTECT (WP): The AT24C01A/02/04/08A/16A has a Write Protect pin that
provides hardware data protection. The Write Protect pin allows normal Read/Write
operations when connected to ground (GND). When the Write Protect pin is connected
to V CC , the write protection feature is enabled and operates as shown in Table 2.
Table 2. Write Protect
WP Pin
Part of the Array Protected
Status
At V CC
24C01A
Full (1K)
Array
24C02
Full (2K)
Array
24C04
Full (4K)
Array
24C08A
Full (8K)
Array
24C16A
Full (16K)
Array
At GND
Normal Read/Write Operations
Memory Organization
AT24C01A, 1K SERIAL EEPROM: Internally organized with 16 pages of 8 bytes each,
the 1K requires a 7-bit data word address for random word addressing.
AT24C02, 2K SERIAL EEPROM: Internally organized with 32 pages of 8 bytes each,
the 2K requires an 8-bit data word address for random word addressing.
AT24C04, 4K SERIAL EEPROM: Internally organized with 32 pages of 16 bytes each,
the 4K requires a 9-bit data word address for random word addressing.
AT24C08A, 8K SERIAL EEPROM: Internally organized with 64 pages of 16 bytes
each, the 8K requires a 10-bit data word address for random word addressing.
AT24C16A, 16K SERIAL EEPROM: Internally organized with 128 pages of 16 bytes
each, the 16K requires an 11-bit data word address for random word addressing.
3
0180Z1–SEEPR–5/07
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相关代理商/技术参数 |
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| AT24C01ASC | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Two-wire Serial EEPROM Smart Card Modules |
| AT24C01ASC-09AT | 制造商:未知厂家 制造商全称:未知厂家 功能描述:I2C Serial EEPROM |
| AT24C01ASC-09AT-2.7 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:I2C Serial EEPROM |
| AT24C01ASC-09BT | 制造商:未知厂家 制造商全称:未知厂家 功能描述:I2C Serial EEPROM |
| AT24C01ASC-09BT-2.7 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:I2C Serial EEPROM |
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