BR24L02NUX-WTR Rohm Semiconductor, BR24L02NUX-WTR Datasheet - Page 6

• Manufacturer Part Number: BR24L02NUX-WTR
• Description: IC EEPROM 2KBIT 100KHZ VSON8
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BR24L02NUX-WTR

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 2K (256 x 8)
• Speed: 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-UFDFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Block diagram
●Pin assignment and description
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Terminal
name
GND
SDA
SCL
WP
Vcc
A0
A1
A2
GND
*2
*2
*2
A2
A1
A0
Input /
output
Input /
output
Input
Input
Input
Input
Input
1
2
3
4
-
-
＊
1 7bit : BR24L01A-W
8bit : BR24L02-W
9bit : BR24L04-W
generating circuit
BR24L01A-W
High voltage
Slave address setting
7bit
8bit
9bit
10bi
Address
decoder
t
*1
11bit
12bit
13b
Slave address setting
it
10bit : BR24L08-W
11bit : BR24L16-W
12bit : BR24L32-W
13bit : BR24L64-W
Control circuit
*1
BR24L02-W
Slave address setting
7bit
8bit
9bit
10bi
Slave and word address, Serial data input serial data output
t
11bit
12bit
13b
START
GND
1Kbit~64Kbit EEPROM array
Fig.2 Block diagram
it
A0
A1
A2
voltage detection
Power source
Reference voltage of all input / output, 0V
1
2
3
4
Slave - word
address register
1
1
1
1
BR24L04-W
6/40
BR24L01A-W
BR24L02-W
BR24L04-W
BR24L08-W
BR24L16-W
BR24L32-W
BR24L64-W
STOP
Connect the power source.
＊
2 A0=N.C.
Write protect terminal
A0, A1=N.C.
A0, A1= N.C. A2=Don’t Use
Serial clock input
Not connected
BR24L08-W
Function
8
7
5
6
1
1
1
1
ACK
Vcc
WP
SCL
SDA
Not connected
register
Data
8bit
BR24L16-W
Not used
: BR24L16-W
: BR24L04-W
: BR24L08-W
8
7
6
5
BR24L32-W
Slave address setting
Slave address setting
Slave address setting
Vcc
WP
SCL
SDA
Technical Note
2009.09 - Rev.D
BR24L64-W