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参数资料
| 型号： | CAT24WC128XI-TE13 |
| 元件分类： | PROM |
| 英文描述： | 16K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8 |
| 封装： | LEAD AND HALOGEN FREE, EIAJ, SOIC-8 |
| 文件页数： | 7/9页 |
| 文件大小： | 506K |
| 代理商： | CAT24WC128XI-TE13 |
CAT24WC128
7
Doc. No. 1038, Rev. B
READ operation. The Master device first performs a
‘dummy’ write operation by sending the START condi-
tion, slave address and byte addresses of the location it
wishes to read. After CAT24WC128 acknowledges, the
Master device sends the START condition and the slave
address again, this time with the R/W bit set to one. The
CAT24WC128 then responds with its acknowledge and
sends the 8-bit byte requested. The master device does
not send an acknowledge but will generate a STOP
condition.
Sequential Read
The Sequential READ operation can be initiated by
either the Immediate Address READ or Selective READ
operations. After the CAT24WC128 sends the initial 8-
bit byte requested, the Master will respond with an
acknowledge which tells the device it requires more
Figure 8. Immediate Address Read Timing
24WC128 F10
SCL
SDA
8TH BIT
STOP
NO ACK
DATA OUT
89
SLAVE
ADDRESS
S
A
C
K
BUS ACTIVITY:
MASTER
SDA LINE
S
T
A
R
T
N
O
A
C
K
DATA
S
T
O
P
data. The CAT24WC128 will continue to output an 8-bit
byte for each acknowledge sent by the Master. The
operation will terminate when the Master fails to re-
spond with an acknowledge, thus sending the STOP
condition.
The data being transmitted from CAT24WC128 is out-
putted sequentially with data from address N followed
by data from address N+1. The READ operation ad-
dress counter increments all of the CAT24WC128 ad-
dress bits so that the entire memory array can be read
during one operation. If more than E (where E=16383)
bytes are read out, the counter will ‘wrap around’ and
continue to clock out data bytes.
Figure 9. Selective Read Timing
*=Don't Care Bit
A15–A8
SLAVE
ADDRESS
S
A
C
K
A
C
K
A
C
K
BUS ACTIVITY:
MASTER
SDA LINE
S
T
A
R
T
A7–A0
BYTE ADDRESS
SLAVE
ADDRESS
S
A
C
K
N
O
A
C
K
S
T
A
R
T
DATA
P
S
T
O
P
*
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT24WC129J | 功能描述:电可擦除可编程只读存储器 (384x8) 128k 16 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT24WC129J-1.8 | 功能描述:电可擦除可编程只读存储器 (384x8) 128k 16 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT24WC129JA | 功能描述:电可擦除可编程只读存储器 (384x8) 128k 16 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT24WC129JI | 功能描述:电可擦除可编程只读存储器 (384x8) 128k 16 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT24WC129JI-1.8 | 功能描述:电可擦除可编程只读存储器 (384x8) 128k 16 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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