参数资料
型号: BR24L02-W
厂商: Rohm Semiconductor
文件页数: 6/41页
文件大小: 0K
描述: IC EEPROM 2KBIT 400KHZ 8DIP
标准包装: 2,000
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 2K (256 x 8)
速度: 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-DIP(0.300",7.62mm)
供应商设备封装: 8-DIP
包装: 管件
产品目录页面: 1378 (CN2011-ZH PDF)
BR24L □□ -W Series,BR24S □□□ -W Series
● Block diagram
Technical Note
*2
A0
1
1Kbit~64Kbit EEPROM array
8
Vcc
*1
7bit 11bit
8bit 12bit
9bit 13b it
10bi t
8bit
*2
A1
2
Address
decoder
*1
7bit 11bit
8bit 12bit
9bit 13b it
10bi t
Slave - word
address register
Data
register
7
WP
*2
A2
3
START
Control circuit
STOP
6
SCL
ACK
GND
4
High voltage
generating circuit
Power source
voltage detection
5
SDA
1
7bit : BR24L01A-W 10bit : BR24L08-W
2
A0=N.C.
: BR24L04-W
8bit : BR24L02-W
9bit : BR24L04-W
11bit : BR24L16-W
12bit : BR24L32-W
A0, A1=N.C.
A0, A1= N.C. A2=Don’t Use
: BR24L08-W
: BR24L16-W
13bit : BR24L64-W
Fig.2 Block diagram
● Pin assignment and description
1
1
1
1
A0
A1
1
2
BR24L01A-W
BR24L02-W
BR24L04-W
8
7
Vcc
WP
BR24L08-W
1
1
1
1
A2
GND
3
4
BR24L16-W
BR24L32-W
BR24L64-W
6
5
SCL
SDA
Terminal
Input /
Function
name
output
BR24L01A-W
BR24L02-W
BR24L04-W
BR24L08-W
BR24L16-W
BR24L32-W
BR24L64-W
A0
A1
A2
Input
Input
Input
Slave address setting
Slave address setting
Slave address setting
Not connected
Not connected
Not used
Slave address setting
Slave address setting
Slave address setting
GND
SDA
SCL
WP
Vcc
-
Input /
output
Input
Input
-
Reference voltage of all input / output, 0V
Slave and word address, Serial data input serial data output
Serial clock input
Write protect terminal
Connect the power source.
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? 2009 ROHM Co., Ltd. All rights reserved.
6/40
2009.09 - Rev.D
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