(No.22023)1-55
6.32 S-93C66AFJ-X (IC451) : Memory
• Pin layout
• Pin function
• Block diagram
6.33 SI-8033JF (IC191) : Switching regulator
• Block Diagram
Pin No.
Symbol
Function
1
NC
Not connect
2
Vcc
Power supply
3
CS
Chip select input
4
SK
Serial clock input
5
DI
Serial data input
NC
Vcc
CS
SK
TEST
GND
DO
DI
1
2
3
4
8
7
6
5
Top view
6
DO
Serial data output
7
GND
Ground
8
TEST
TEST pin:Open
Memory array
Data register
Mode decode
logic
Clock generator
circuit
Output buffer
Address
decoder
VCC
GND
DO
DI
CS
SK
4
VOS
3
GND
5
1
Vin
2
SW OUT
Standard
voltage
Error amp
Comparator
Heating
protection
Over-current
protection
Reset
PReg
ON/OFF
Soft-
Start
ON/OFF
Latch
&
Driver
+
-
+
-
Oscillator