TECHNICAL NOTE
Double-cell Memory for Plug & Play
EDID Memory
BR24C21/F/FJ/FV, BU9882/F/FV-W
BR24C21/F/FJ/FV
●Description
TM
TM
The BR24C21 series ICs are serial EEPROMs that support DDC1 /DDC2 interfaces for Plug and Play displays.
●Features
TM
TM
1) Compatible with both DDC1 /DDC2
2) Operating voltage range: 2.5V to 5.5V
3) Page write function: 8bytes
4) Low power consumption
Active (at 5V)
: 1.5mA (typ)
Stand-by (at 5V) : 0.1μA (typ)
5) Address auto increment function during Read operation
6) Data security
Write enable feature (VCLK)
Write protection at low Vcc
7) Various packages available: DIP-T8 / SOP8 / SOP-J8 / SSOP-B8
8) Initial data=FFh
9) Data retention: 10years
10) Rewriting possible up to 100,000 times
●Absolute maximum ratings (Ta=25℃)
Parameter
Supply Voltage
Power Dissipation
Storage
Temperature
Operating
Temperature
Terminal Voltage
Symbol
VCC
Pd
800
450
450
350
●Recommended operating conditions
Rating
-0.3～+6.5
(DIP-T8)
(SOP8)
(SOP-J8)
(SSOP-B8)
Unit
V
*1
*2
*3
*4
mW
Tstg
-65～+125
℃
Topr
-40～+85
℃
-
-0.3～VCC+0.3
V
* Reduce by 8.0 mW/°C over 25°C (*1), 4.5mW/℃ (*2,3), and 3.5mW/℃ (*4)
Parameter
Symbol
Rating
Unit
Supply Voltage
VCC
2.5～5.5
V
Input Voltage
VIN
0～VCC
V
●Memory cell characteristics
Parameter
Write/Erase Cycle
Data Retention
Min.
100,000
10
Limits
Typ.
-
Max.
-
Ver.B Oct.2005
Unit
Cycle
Year
