B-4
PCB-SIGNAL(3/4)
IC401 MT28F800B3WG-10T@XD200
8KB PARAMETER BLOCK
8KB PARAMETER BLOCK
16KB BOOT BLOCK
96KB MAIN BLOCK
128KB MAIN BLOCK
Y-SELECT GATES
128KB MAIN BLOCK
128KB MAIN BLOCK
128KB MAIN BLOCK
128KB MAIN BLOCK
128KB MAIN BLOCK
128KB MAIN BLOCK
SENSE AMPLIFIRES
WRITE/ERASE-Bit
COMPARE AND VERLLY
INPUT DATA
LATCH/MUX
16
INPUT
BUFFER
OUTPUT
BUFFER
OUTPUT
BUFFER
Q15
OUTPUT
BUFFER
MUX
7
8
INPUT
BUFFER
7
INPUT
BUFFER
7
8
A-1
8
X-DECODER/BLOCK ERASE CONTROL
Y-
DECODER
IDENTIFICATION
REGISTER
STATUS
REGISTER
ADDR.
COUNTER
STATE
MACHINE
V
PP
SWITCH/
PUMP
8
ADDR.
BUFFER/
LATCH
19
10
9
POWER
(CURRENT)
CONTROL
COMMAND
EXECUTION
LOGIC
8
I/O
CONTROL
LOGIC
1
~
8
16
~
25
48
A9
47
BYTE#
A0
~
A18/
(A19)
14
26
28
11
WP#
CE#
OE#
WE#
12
37
RP#
V
CC
13
V
PP
30,32
34,36
39,41
43
45
DQ15/
(A-1)
DQ8
~
DQ14
29,31
33,35
38,40
42,44
DQ0
~
DQ7
IC402 CAT24WC64J
Word address buffers
Dout&ACK
(Open drain)
XDEC
Column decorders
Memory array
256
×
256
256
256
Sense amps
Shift registers
Data in Storage
High Voltage
generator &
Timing control
6
1
2
3
SDA
8
4
Start/Stop
logic
Control logic
Stage counters
&
Slave address
Comparators
7
5
WP
Vcc
Vss
SCL
A0
A1
A2
IC404 SP3220ECY
8
9
R1 OUT
R1 IN
1
EN
16
SHDN
6
C2-
15
5
C2+
4
C1-
Vcc
2
C1+
V-
7
V+
3
14
13
11
T1 IN
T1 OUT
LOGIC
INPUTS
LOGIC
OUTPUTS
RS-232
OUTPUTS
RS-232
INPUTS
can be returned to either Vcc or GND
GND
5k
Ω
Summary of Contents for SD200U
Page 108: ......
