Marantz SA-11S2 Service Manual page 41

Q114 : AT49BV040B
g
Pin Name Function
A0 - A18 Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
I/O0 - I/O7 Data Inputs/Outputs
VCC
GND
OE
WE
CE
ADDRESS
INPUTS
Q107 : NJM2880
NJM2880U
V
IN
Cont
Bandgap
Reference
GND
OE, CE, AND WE
LOGIC
Y DECODER
X DECODER
PIN FUNCTION
1.CONTROL (Active High)
2.GND
3.NOISE BYPASS
4.V
OUT
5.V
IN
Thermal
Protection
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
A11 1
A9 2
A8 3
A13 4
A14 5
A17 6
WE 7
VCC 8
A18 9
A16 10
A15 11
A12 12
A7 13
A6 14
A5 15
A4 16
DATA INPUTS/OUTPUTS
I/O7 - I/O0
8
DATA LATCH
INPUT/OUTPUT
BUFFERS
Y-GATING
7FFFFH
MAIN MEMORY
(496K BYTES)
04000H
03FFFH
OPTIONAL BOOT
BLOCK (16K BYTES)
00000H
V
OUT
Noise
Bypass
1-53
32 OE
31 A10
30 CE
29 I/O7
28 I/O6
27 I/O5
26 I/O4
25 I/O3
24 GND
23 I/O2
22 I/O1
21 I/O0
20 A0
19 A1
18 A2
17 A3