NJU3554
PRELIMINARY
4-BIT SINGLE CHIP OTP MICRO CONTROLLER
s
GENERAL DESCRIPTION
The
NJU3554
is the C-MOS 4-bit Single Chip OTP type
Micro Controller with programmable Flash Memory.
It is completely compatible with the
NJU3504
in function
and the pin configuration. Therefore, the
NJU3554
is
suitable for the final evaluation before
NJU3504
mask
generation, the small quantity production and short lead-
time.
*
In this data sheet, only OTP programming and the
difference between
NJU3554
and
NJU3504
are
mentioned mainly.
Therefore the detail function and specification should
be referred on the
NJU3504
data sheet.
NJU3554FA1
NJU3554L
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PACKAGE OUTLINE
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FEATURES
q
q
q
q
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Internal One Time Programmable ROM 4,096 X 8bits
Internal Data RAM
256 X 4bits
Wide operating voltage range
2.7V ~ 5.5V
Package outline
QFP44-A1 / SDIP42 (Compatible with
NJU3504)
ROM programmer 鈥淪UPERPRO/L鈥?by XELTEK co,.
s
PIN CONFIGURATION IN OTP PROGRAMMING MODE
[ QFP44-A1 ]
CNT2
Open
CNT1
Open
D7
D6
[ SDIP42 ]
CNT1
CNT2
V
DD
Open
D5
D4
D3
D2
Open
D1
D0
Open
Open
RESET
PROM
CLK
REQ
V
SS
V
SS
Open
1
2
Open
3
4
5
6
RESET
PROM
CLK
REQ
V
SS
7
8
9
10
12
13
14
15
16
17
18
19
20
21
11
33
32
31
30
29
28
27
26
25
24
22
23
NJU3554FA1
Open
V
DD
Open
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
Open
D7
D6
V
DD
Open
D5
D4
D3
D2
Open
D1
D0
44
43
42
41
40
39
38
37
36
35
34
NJU3554L
Open
Note) The pin configuration in Normal operating mode is the same as
NJU3504.
V
SS
-1-