Onkyo TX-SR804 Service Manual page 103

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -9
Q211: MX26LV040 (4M-bit CMOS Single Voltage 3V High Speed Flash Memory)
BLOCK DIAGRAM
CONTROL
#CE
INPUT
#OE
LOGIC
#WE
ADDRESS
LATCH
A0-A18
AND
BUFFER
Q0-Q7
PIN CONFIGURATION
1
A11
2
A9
3
A8
4
A13
5
A14
6
A17
7
WE#
VCC 8
MX26LV040
A18 9
10
A16
11
A15
12
A12
A7 13
A6 14
A5 15
A4 16
PROGRAM/ERASE
HIGH VOLTAGE
MX29LV040
FLASH
ARRAY
ARRAY
SOURCE
HV
Y-PASS GATE
PGM
SENSE
DATA
AMPLIFIER
HV
PROGRAM
DATA LATCH
I/O BUFFER
TERMINAL DESCRIPTION
32
OE#
Pin Name
31
A10
30
CE#
A0~A18
29
Q7
28
Q6
Q0~Q7
27
Q5
26
Q4
CE#
25 Q3
24 GND
WE#
23
Q2
22
Q1
OE#
21
Q0
20 A0
GND
19 A1
18 A2
VCC
17 A3
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
Description
Address Input
Data Input/Output
Chip Enable Input
Write Enable Input
Output Enable Input
Ground Pin
+3.0V single power supply
TX-SR804/804E