TECHNICAL NOTE
Double-cell Memory for Plug & Play
EDID Memory
BR24C21/F/FJ/FV, BU9882/F/FV-W
BR24C21/F/FJ/FV
●Description
The BR24C21 series ICs are serial EEPROMs that support DDC1TM/DDC2TM interfaces for Plug and Play displays.
●Features
1) Compatible with both DDC1TM/DDC2TM
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℃)
●Recommended operating conditions
Parameter
Symbol
VCC
Rating
-0.3~+6.5
Unit
V
Parameter
Supply Voltage
Input Voltage
Symbol
VCC
Rating
2.5~5.5
0~VCC
Unit
V
Supply Voltage
800 (DIP-T8)
450 (SOP8)
450 (SOP-J8)
*1
*2
*3
VIN
V
Power Dissipation
Pd
mW
350 (SSOP-B8) *4
Storage
Temperature
Operating
Temperature
Terminal Voltage
Tstg
-65~+125
℃
●Memory cell characteristics
Topr
-
-40~+85
℃
Limits
Typ. Max.
Parameter
Min.
Unit
-0.3~VCC+0.3
V
Write/Erase Cycle
Data Retention
100,000
10
-
-
-
-
Cycle
Year
* Reduce by 8.0 mW/°C over 25°C (*1), 4.5mW/℃ (*2,3), and 3.5mW/℃ (*4)
Ver.B Oct.2005