NJU3552 Datasheet, PDF (1/14 Pages) New Japan Radio – 4-BIT SINGLE CHIP OTP MICRO CONTROLLER

NJU3552
PRELIMINARY
4-BIT SINGLE CHIP OTP MICRO CONTROLLER
s GENERAL DESCRIPTION
The NJU3552 is the C-MOS 4-bit Single Chip OTP type
Micro Controller with programmable Flash Memory.
It is completely compatible with the NJU3502 in function
and the pin configuration. Therefore, the NJU3552 is
suitable for the final evaluation before NJU3502 mask
generation, the small quantity production and short lead-
time.
* In this data sheet, only OTP programming and the
difference between NJU3552 and NJU3502 are
mentioned mainly.
Therefore the detail function and specification should
be referred on the NJU3502 data sheet.
s PACKAGE OUTLINE
NJU3552L
NJU3552M
s FEATURES
q Internal One Time Programmable ROM 1,024 X 8bits
q Internal Data RAM
64 X 4bits
q Wide operating voltage range
2.7V ~ 5.5V
q Package outline
SDIP24 / DMP24
q ROM programmer “SUPERPRO/L” by XELTEK co,.
s PIN CONFIGURATION IN OTP PROGRAMMING MODE
Open 1
D0
2
D1
3
D2
4
Open
5
6
D3
7
Open 8
PROM
9
CLK
10
REQ
11
V_SS
12
24
V_DD
23
CNT2
22
CNT1
21
D7
20
19
Open
18
17
D6
16
D5
15
D4
14 Open
13
RESET
Note) The pin configuration in Normal operating mode is the same as NJU3502.
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