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NJU3554 Datasheet(PDF) 1 Page - New Japan Radio

Part No. NJU3554
Description  4-BIT SINGLE CHIP OTP MICRO CONTROLLER
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Maker  NJRC [New Japan Radio]
Homepage  http://www.njr.co.jp/index_e.htm
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NJU3554 Datasheet(HTML) 1 Page - New Japan Radio

 
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NJU3554
- 1 -
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.
s FEATURES
q
Internal One Time Programmable ROM
4,096 X 8bits
q
Internal Data RAM
256 X 4bits
q
Wide operating voltage range
2.7V ~ 5.5V
q
Package outline
QFP44-A1 / SDIP42 (Compatible with NJU3504)
q
ROM programmer “SUPERPRO/L” by XELTEK co,.
s PIN CONFIGURATION IN OTP PROGRAMMING MODE
[ QFP44-A1 ]
Note) The pin configuration in Normal operating mode is the same as NJU3504.
s PACKAGE OUTLINE
PRELIMINARY
NJU3554FA1
NJU3554L
[ SDIP42 ]
Open
NJU3554FA1
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2
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23
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31
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33
RESET
PROM
CLK
REQ
VSS
Open
D0
D1
Open
D2
D3
D4
D5
Open
VDD
RESET
CNT1
CNT2
Open
PROM
CLK
REQ
VSS
VSS
Open
VDD
1
2
3
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5
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42
Open
D7
D6
VDD
Open
D5
D4
D3
D2
Open
D1
D0
Open


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