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- B4 -
IC442 MP40ES
IC444 DS37U+T&R
IC74 S29AL032D70TFI030H@PW288B30
IC443 BD45275G-TR
IC448 NC7SZ02P5X(PBF)
40/400kHz
Oscillator
Slope
Compensation
.8V
Current
Comparator
8
Internal
Regulators
2
µA
2.30/2.53V
0.7V
7
Shutdown
Comparator
Lockout
Comparator
3
4
M2
M
6
.22V
5
Error Amplifier
gm= 630µA/Volt
IN
N/C
EN
COMP
FB
GND
SW
BS
0.7V
Frequency
Foldback
Comparator
5V
CLK
S
R
Q
Q
Current
Sense
Amplifier
∑
Power
GND
Oscillator
I C
2
Interface
SDA
SCL
VCC
32-Bit
Counter
Alarm/
Watchdog
Stat/Ctrl
X2
X
M
U
X
24-Bit
Counter
WDS
÷4096
4096
Hz
CLR
CLR
892Hz
4096Hz
Hz
Hz
4096Hz
32,768Hz
SQW
SQW/INT
N
WACE
WD/ALM
AIE
INT
INTCN
7
6
5
3
4
8
2
÷4
÷2
M
U
X
M
U
X
oscillator
counter timer
VDD
Vout
SUB
5
2
4
3
Vref
GND
ER
Function Table
H : HIGH Logic Level
L : LOW Logic Level
Inputs
Output
A
B
Y
L
L
L
H
H
L
H
L
H
L
L
H
2
3
5
4
A
B
GND
VCC
Y
Input/Output
Buffers
X-Decoder
Y-Decoder
Chip Enable
Output Enable
Logic
Erase Voltage
Generator
PGM Voltage
Generator
Timer
Vcc Detector
State
Control
Command
Register
VCC
VSS
WE#
BYTE#
CE#
OE#
STB
STB
DQ0-DQ5 (A-)
Sector Switches
RY/BY#
RESET#
Data
Latch
Y-Gating
Cell Matrix
Address Latch
A0–A20
5
37
27,46
2
47
26
28
~0,6~25,48
29~36,
38~45
Содержание LC62 CHASSIS XL6500LU
Страница 22: ... 4 PCB LOCATION Fig 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Страница 108: ... MEMO ...
Страница 119: ...P XL 00LU XL 00U ...
Страница 123: ...P XL 00LU XL 00U ...
Страница 130: ...P 12 XL 00LU XL 00U ...