TX-SR403/8340
IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-12
Q281: MX26LV040 (4M-Bit CMOS Single Voltage 3V Only High Speed Flash Memory)
PIN LAYOUT
TERMINAL DESCRIPTION
BLOCK DIAGRAM
CONTROL
INPUT
LOGIC
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
MX29LV040
FLASH
ARRAY
X-DECODER
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
Y-DECODER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
I/O BUFFER
PGM
DATA
HV
PROGRAM
DATA LATCH
SENSE
AMPLIFIER
Q0-Q7
A0-A18
#CE
#OE
#WE
A11
A9
A8
A13
A14
A17
WE#
VCC
A18
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
OE#
A10
CE#
Q7
Q6
Q5
Q4
Q3
GND
Q2
Q1
Q0
A0
A1
A2
A3
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
MX26LV040
Pin Name
Description
A0~A18
Address Input
Q0~Q7
Data Input/Output
CE#
Chip Enable Input
WE#
Write Enable Input
OE#
Output Enable Input
GND
Ground Pin
VCC
+3.0V single power supply
