Sony SPP-888 Service Manual page 43

IC301 RH5RL30AA-T1 (HAND KEY board)
REG
1 2 3
IC402 24LC16BT/SN (HAND KEY board)
SENSE AMP
MEMORY
R/W
CONTROL
CONTROL
A0 1
LOGIC
A1 2
Y DECODER
CONTROL
LOGIC
A2
3
PAGE LATCH
EEPROM
ARRAY
X DECODER
VSS
4
(256 x 8)
HV GENERATOR
VCC
8
7 WP
6 SCL
I/O
SDA
5
43