BR24L02NUX-WTR Rohm Semiconductor, BR24L02NUX-WTR Datasheet - Page 18

• 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

●I
●Notes on power ON
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2
○Input (A0,A2,SCL)
○Input / output (SDA)
○Input (A1, WP)
At power on, in IC internal circuit and set, Vcc rises through unstable low voltage area, and IC inside is not completely reset,
and malfunction may occur. To prevent this, functions of POR circuit and LVCC circuit are equipped. To assure the action,
observe the following conditions at power on.
1. Set SDA = 'H' and SCL ='L' or 'H'
2. Start power source so as to satisfy the recommended conditions of t
C BUS input / output circuit
V
CC
0
Fig.60 Rise waveform diagram
Fig.58 Input / output pin circuit diagram
Fig.57 Input pin circuit diagram
Fig.59 Input pin circuit diagram
t
OFF
t
R
Vbot
18/40
Recommended conditions of t
100ms or below
10ms or below
R
, t
t
OFF
R
, and Vbot for operating POR circuit.
10ms or longer
10ms or longer
t
OFF
R
, t
OFF
,V
bot
Technical Note
2009.09 - Rev.D
0.3V or below
0.2V or below
V
bot