KD-S785
1-28
Clk Gen.
I/O
1
~I/O
8
CS
WE
OE
Row S
e
lec
t
Data
Cont.
Column Select
CLK
Gen.
Pre-Charge Circuit
Memory Array
512 Rows
256x8 Columns
I/O Circuit
Pin Name
Pin Function
A
0
- A
16
Address Inputs
WE
Write Enable
CS
Chip Select
OE
Output Enable
I/O
1
~ I/O
8
Data Inputs/Outputs
V
CC
Power(+3.3V)
V
SS
Ground
N.C
No Connection
SOJ/
TSOP2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A
16
A
15
A
14
A
13
OE
I/O
8
I/O
7
Vss
Vcc
I/O
6
I/O
5
A
12
A
11
A
10
A
9
A
8
A
0
A
1
A
2
A
3
CS
I/O
1
I/O
2
Vcc
Vss
I/O
3
I/O
4
WE
A
4
A
5
A
6
A
7
A
10
A
11
A
12
A
13
A
14
A
15
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
9
A
16
A
8
K6R1008VCTI12-X (IC451) : SRAM
1.Pin layout
3.Pin function
2.Block diagram
RPM6938-SV4 (IC602) : Remote sensor
Vcc
Vcc
Comp
AGC
AMP
PD
Detector
BPF
fo
trimming
circuit
I/V
conversion
magnetic
shield
Rout
GND
22k
1.Block diagram
