Marantz NR1504 /U1B Service Manual page 157

DIGITAL : IC1008
MX25L3206EM2I-12G (except : N)
MX25L6406EM2I-12G (ONLY N)
CS# 1
2
SO/SIO1
3
WP#
4
GND
74VHC4051A (DIGITAL : U1001)
Control Inputs
Inhibit C
L L
L L
L L
L L
L H
L H
L H
L H
H X
X: Don't care,
VCC
8
HOLD#
7
6 SCLK
SI/SIO0
5
"ON" Channel
B A TC74VHC4051A
L L
L H
H L
H H
L L
L H
H L
H H
X X
PIN DESCRIPTION
SYMBOL DESCRIPTION
CS# Chip Select
Serial Data Input (for 1 x I/O)/ Serial Data
SI/SIO0
Input & Output (for Dual Output mode)
Serial Data Output (for 1 x I/O)/ Serial Data
SO/SIO1
Output (for Dual Output mode)
SCLK Clock Input
WP#
Write protection
Hold, to pause the device without
HOLD#
deselecting the device
+ 3.3V Power Supply
VCC
GND
Ground
0
1
2
3
4
5
6
7
None
157