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PLSC1359 [SST27SF020-70NH/Silicon Strage Technology]
(2M Bit Flash Memoly)
A 17 -A 0
Address Buffer
CE#
OE#
A 9
Control Logic
V PP
PGM#
SI-8120S [SANKEN]
(Separate Excitation Switching Regulator IC)
1 V
IN
2 SW
OUT
3 GND
4 V
OS
1 2 3 4 5
5 S.S
(Bottom View)
TA7805S [TOSHIBA]
(3-Terminal Positive Voltage Regulator (+5V))
2,097,152Bit
X-Decoder
EEPROM
Cell Array
Y-Decoder
I/O Buffers
DQ 7 -DQ 0
V
1
IN
OCP
Reg.
OSC
Reset
Comp.
Amp.
V
REF
5
S.S.
3
GND
TC74HC14AF-X [TOSHIBA]
(Hex Schmitt-Trigger Inverters)
2
SW
OUT
Drive
TSD
4 V
OS
TA7809S [TOSHIBA]
(Refer to TA7805S.)
3-7
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