1-30 (No.49839)
4.3 BR24L16F-W-X (IC703) : EEPROM
• Pin layout
• Pin function
• Block diagram
4.4
BU4066BCFV-X (IC131) : Quad analog switch
• Pin layout & Block diagram
VCC
WP
SCL
SDA
A0
A1
A2
GND
Symbol
I/O
Function
VCC
-
Power supply.
GND
-
GND
A0,A1,A2
I
No use connect to GND.
SCL
I
Serial clock input.
SDA
I/O Serial data I/O of slave and ward address.
WP
I
Write protect terminal.
8 Vcc
7 WP
6 SCL
5 SDA
A0 1
A1 2
A2 3
GND 4
16kbit EEPROM allay
11bit
11bit
8bit
Address
decoder
Slave Ward
Address resister
Data
resister
START
STOP
ACK
Control circuit
High voltage osc circuit
Power supply
voltage det.
14
13
12
11
8
10
9
1
2
3
4
7
5
6
VDD
C1
C4
I/O4
I/O3
O/I4
O/I3
I/O1
O/I1
O/I2
I/O2
Vss
C2
C3
Summary of Contents for KD-LH3105
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