Onkyo A-5VL Service Manual page 27

IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q703: S-24CS16A0I-J8V1G (2-Wire CMOS 16k bit E ROM)
PIN ASSIGNMENT
NC
NC
A2
GND
BLOCK DIAGRAM
SCL
SDA
8-Pin SOP
Top view
Pin
Number
1 8 V
CC
2 7
WP
3 6
SCL
4 5
SDA
1.
2.
Start / Stop
Detector
LOAD
COMP
Device Address
Comparator
LOAD
R / W
Din
Dout
2
Pin
Name
1 NC No connection
2 NC No connection
2
3 A2 TES pin
4 GND Ground
5 SDA Serial data input/output
6 SCL Serial clock input
Write protection input
7 WP connected to Vcc: Protection valid
Connected to GND: Protection invalid
8 V Power supply
CC
Connected to GND or Vcc.
Connected to GND.
WP
Voltage Detector
Serial Clock
Controller
High-Voltage Generator
INC
X Decoder
Address
Counter
Y Decoder
Function
1
1
V
CC
GND
Data Register
2
E PROM
Selector
Data Output
ACK Output
Controller
A-5VL