参数资料
| 型号： | AT24C128C-SSHM-T |
| 厂商： | Atmel |
| 文件页数： | 3/22页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 128KBIT 400KHZ 8SOIC |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 128K (16K x 8) |
| 速度： | 400kHz，1MHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 剪切带 (CT) |
| 其它名称： | AT24C128C-SSHM-TCT |
3.
Block Diagram
V CC
GND
WP
SCL
SDA
Start
Stop
Logic
Serial
Control
EN
H.V. Pump/Timing
LOAD
Logic
A 2
Device
Address
Comparator
COMP
LOAD
INC
Data Recovery
A 1
A 0
R/W
Data Word
Addr/Counter
EEPROM
D IN
D OUT
Y DEC
Serial MUX
D OUT /ACK
LOGIC
4.
Pin Descriptions
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 Addresses (A 2 , A 1 , A 0 ): The A 2 , A 1 , and A 0 pins are device address inputs that are hard wired (directly to GND
or to V CC ) for compatibility with other Atmel AT24C devices. When the pins are hard wired, as many as eight 128K
devices may be addressed on a single bus system. (Device addressing is discussed in detail in Section 7. “Device
Addressing” on page 9 ). A device is selected when a corresponding hardware and software match is true. If these pins
are left floating, the A 2 , A 1 , and A 0 pins will be internally pulled down to GND. However, due to capacitive coupling that
may appear during customer applications, Atmel recommends always connecting the address pins to a known state.
When using a pull-up resistor, Atmel recommends using 10k ? or less.
Write Protect (WP): The Write Protect input, when connected to GND, allows normal write operations. When WP is
connected directly to V CC , all write operations to the memory are inhibited. If the pin is left floating, the WP pin will be
internally pulled down to GND. However, due to capacitive coupling that may appear during customer applications, Atmel
recommends always connecting the WP pins to a known state. When using a pull-up resistor, Atmel recommends using
10k ? or less.
Table 4-1.
WP Pin
Status
At V CC
At GND
Write Protect
Part of the Array Protected
Atmel AT24C128C
Full Array
Normal Read/Write Operations
Atmel AT24C128C [DATASHEET]
8734B–SEEPR–9/2012
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C128C-SSHM-T SL901 | 制造商:Atmel Corporation 功能描述:IC EEPROM 128KBIT 1MHZ 8SOIC |
| AT24C128C-SSHM-T | 制造商:Atmel Corporation 功能描述:SERIAL EEPROM 128K (16K X 8) |
| AT24C128C-SSPD-T | 制造商:Atmel Corporation 功能描述: |
| AT24C128C-UUM0B-T | 功能描述:IC EEPROM 128KBIT 1MHZ 4WLCSP 制造商:microchip technology 系列:- 包装:带卷（TR） 零件状态:在售 存储器类型:非易失 存储器格式:EEPROM 技术:EEPROM 存储容量:128Kb （16K x 8） 时钟频率:1MHz 写周期时间 - 字，页:5ms 访问时间:550ns 存储器接口:I2C 电压 - 电源:1.7 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:4-XFBGA，WLCSP 供应商器件封装:4-WLCSP 标准包装:5,000 |
| AT24C128C-WWU11M | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:I2C-Compatible (2-Wire) Serial EEPROM |
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