Sharp FO-475TH IC11, 12 VHiLM2902D/-1 LM2902D IC8 VHi27C02015Ti, IC5 VHiHEF4051BT1 HEF4051BT

UX-258TH

FO-475TH

IC11, 12: VHiLM2902D/-1 (LM2902D)

IC8: VHi27C02015Ti

(27C020)

EP-ROM

A OUTPUT

1

14

D OUTPUT

(TOP VIEW)

A

D

VPP

1

32

VCC

Pin name

Signal

A-INPUT

2

+

–

13

D-INPUT

–

+

A16

2

31

PGM

A0~A16

Address input

A15

3

30

NC

E

Chip enable

A+INPUT

3

12

D+INPUT

A12

4

29

A14

G

Output enable

GND

Ground

V+

4

11

GND

A7

5

28

A13

PGM

Program

A6

6

27

A8

DQ1~DQ8

Data output (Program input)

B+INPUT

5

10

C+INPUT

A5

7

26

A9

VCC

+5V power

VPP

+12.5V power(*)

A4

8

25

A11

(*) Only in the program mode

–

+

+

–

B-INPUT

6

9

C-INPUT

B

C

A3

9

24

G

B OUTPUT

7

8

C OUTPUT

A2

10

23

A10

A1

11

22

E

A0

12

21

DQ8

DQ1	13	20	DQ7
DQ2	14	19	DQ6

IC5: VHiHEF4051BT1 (HEF4051BT)

		DQ3	15	18 DQ5
6	Inhibit	GND	16	17 DQ4
11	A
Controls	B
10
9	C
13	X0	IC4: VHiMC34119DR2 (MC34119DR2)
14	X1	15 Common
	X
15	X2	Out/In
12	X3
Switches			CD	1	8
In/Out 1	X4
5	X5		FC2	2	7
2	X6
4	X7		FC1	3	6
	VDD: Pin 16		VIN	4	5
	VSS: Pin 8
	VEE: Pin7

VO2

GND

VCC

VO1

IC100: VHiPST596CMT1 (PST596CNR)

(TOP VIEW)

M/R 1

5 VCC

SUB 2

GND 3

4 VOUT

(TOP VIEW)

8 – 5