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Silan Semiconductors - 1.5V 10/12 DIGIT CALCULATOR CIRCUIT

Numéro de référence SC3414
Description 1.5V 10/12 DIGIT CALCULATOR CIRCUIT
Fabricant Silan Semiconductors 
Logo Silan Semiconductors 





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SC3414 fiche technique
SC3414
1.5V 10/12 DIGIT CALCULATOR CIRCUIT
DESCRIPTION
The SC3414 is a single-chip LSI CMOS calculator with 12-digits 2-
memory or 10-digits 2-memory. SC3414 can drive the liquid crystal
display (LCD) with single power supply. Single power supply
operation, wide operating voltage and lower power consumption make
it suitable for 1.5V solar battery operated calculator. Beside SC3414
can be selected as Auto Power OFF or Manual Power OFF with Lock
Key. It also can be selected as Memory Hold or Clear at Power OFF.
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FEATURES
SC3414 chip topography
* Display: 12-digit or 10-digit (selectable with a pin programmable)
of data, 1-digits of sign, error, memory load symbol.
* Algebraic mode
* Complementary output buffer for direct
driving of liquid crystal display
* Standard 4 function (addition, subtraction, multiplication, division).
* Memory and Grand total calculation.
* Memory overflows indicating.
* Result overflow, indicating during
* Accumulating GT memory register with count up (down) item
counter.
calculation (most function key are
* Automatic percentage operation with add-on discount.
locked as it happened).
* Keyboard encoding internal to chip.
* Automatic delta percentage, mark-up and markdown operations.
* Square root.
* Automatic power on clear.
* Constant calculation.
* Wide supply voltage range (1.1 to
1.8V)
* Chain calculation.
* Change sign.
* Very low power consumption.
* Floating point (selectable with a switch).
* Floating minus.
* Key roll over function (2 keys).
* Fixed point ("0", "1", "2", "3", "4", or "6" selectable with a switch).
* Adding point mode (selectable with a switch).
* Oscillator/clock generator internal to
* Rounding switch (rounding up, down and off).
chip.
* Trailing zero suppression.
* Registration overflow, indicating too
* Function on display, commas for thousands.
many digits are entered (the most
significant digit is protected).
* Memory and GT memory contents indicator, turned with nonzero
in the memory and GT memory.
ABSOLUTE MAXIMUM RATING
Characteristics
Supply Voltage
Input Voltage
Storage temperature
Operating Temperature
Symbol
VDD - VSS
VIN
TSTG
TOPT
Value
-0.3 ~ +2.0
-0.3 ~ VDD + 0.3
-55 ~ +125
0 ~ + 50
Unit
V
V
°C
°C
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2004.08.03
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