Harman Kardon HK 3370, Service Manual

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BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C02-W / BR24C02F-W /
Memory ICs
BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W
I
2
C BUS compatible serial EEPROM
BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W /
BR24C01AFV-W / BR24C02-W / BR24C02F-W /
BR24C02FJ-W / BR24C02FV-W / BR24C04-W /
BR24C04F-W / BR24C04FJ-W / BR24C04FV-W
The BR24C01A-W, BR24C02-W, and BR24C04-W series are 2-wire (I
2
C BUS type) serial EEPROMs which are
electrically programmable.
∗ I 2 C BUS is a registered trademark of Philips.
! ! ! ! Applications
VCRs, TVs, printers, car stereos, cordless telephones, short wave radios, programmable DIP switches
! ! ! ! Features
1) 128
×
8bits (1k) serial EEPROM.
(BR24C01A-W / AF-W / AFJ-W / AFV-W)
256
×
8bits (2k) serial EEPROM.
(BR24C02-W / F-W / FJ-W / FV-W)
512
× 8bits (4k) serial EEPROM.
(BR24C04-W / F-W / FJ-W / FV-W)
2) Two wire serial interface.
3) Operating voltage range : 2.7V
∼
5.5V
4) Low current consumption
Active (at 5V) : 1.5mA (Typ.)
Standby (at 5V) : 0.1
µ
A (Typ.)
5) Auto erase and auto complete functions can be used
during write operations.
6) Page write function.
BR24C01A-W / AF-W / AFJ-W / AFV-W : 8 bytes
BR24C02-W / F-W / FJ-W / FV-W : 8 bytes
BR24C04-W / F-W / FJ-W / FV-W : 16 bytes
7) DATA security
Write protect feature
Inhibit to WRITE at low V
CC
8) Noise filters at SCL and SDA pins.
9) Address can be incremented automatically during
read operations.
10) Compact packages.
11) Rewriting possible up to 100,000 times
12) Data can be stored for ten years without corruption.
! ! ! ! Absolute maximum ratings (Ta = 25
°
C)
Parameter Symbol Limits Unit
Applied voltage
−
0.3 ~
+
6.5 V
Power dissipation mW
Storage temperature
−
65 ~
+
125
°
C
Operating temperature
°
C
Input voltage
−
V
−
40 ~
+
85
V
CC
−
0.3 ~V
CC
+
0.3
Pd
Tstg
Topr
300(SSOP
−
B8)
∗
1
800(DIP8)
450(SOP8, SOP
−
J8)
∗
2
∗
3
∗
1 Reduced by 3.0mW for each increase in Ta of 1
°
C over 25
°
C.
∗
2 Reduced by 4.5mW for each increase in Ta of 1
°
C over 25
°
C.
∗
3 Reduced by 8.0mW for each increase in Ta of 1
°
C over 25
°
C.
hk3370/hk3470 harman/kardon
97