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IZ12291M Datenblatt(PDF) 1 Page - Integral Corp.

Teilenummer IZ12291M
Bauteilbeschribung  10-DIGITS CALCULATOR
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Hersteller  INTEGRAL [Integral Corp.]
Direct Link  http://www.iksemi.com/
Logo INTEGRAL - Integral Corp.

IZ12291M Datenblatt(HTML) 1 Page - Integral Corp.

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IZ12291M
1
10-DIGITS CALCULATOR
The IZ12291M is a single chip CMOS LSI with 10-digit arithmetic operation, single
memory, extraction-of-square-root, percentage calculation, auto power off and punctuation ,
designed for FEM LCD operation with a 1.5V power supply.
FUNCTIONS
• Four standard functions (+, -, ×, ÷ )
• Square and reciprocal calculations
• Extraction of square root
• Auto constant calculations (constant: multiplicand,
divisor,
addend and subtrahend)
• Mark-up and mark-down calculations
• Percentage calculations
• Chain multiplication and division
• Power calculations
• Rough estimate calculations
• Punctuation comma and touch tone mark display
• Clear key: ON/C, CE
FEATURES
• Single chip CMOS construction
• Floating decimal point
• LCD direct drive
• Overflow indication: “E”
• On chip oscillator components
• Auto Power off
• Accumulating memory: M+, M-, MR, MC,
MRC
• Bare chip is available
Mirror type
LCD CONNECTION
H2
H3
a11
c10
b10
a10
c9
b9
a9
c8
b8
a8
c7
b7
a7
c6
b6
a6
c5
b5
a5
c4
b4
a4
c3
b3
a3
c2
b2
a2
c1
b1
a1
H1
ABSOLUTE MAXIMUM RATINGS ( Ta = 25
oC )
Characteristic
Symbol
Value
Unit
Terminal Voltage
VCC
- 0.3 ~ + 2.1
V
VIN
- 0.3 ~ VCC + 0.3
V
Operating Temperature
Ta
0 ~ + 50
oC
Storage Temperature
Tstg
- 55 ~ + 125
oC
ELECTRICAL CHARACTERISTICS (Ta = 25
oC, V
CC = 1.5V,
unless otherwise specified)
Characteristic
Symbol
Test Condition
Min
Typ
Max
Unit
Operating
Voltage
VOP
1.1
1.5
1.8
V
Input Voltage
VIH
VCC - 0.4
V
(pins FDISB,
EXT)
VIL
0.4
Input Current 1
IIH1
VIN = VCC
1
µA
(pins FDISB,
EXT)
IIL1
VIN = 0V
1.5
2.5
3
Input Current 2
IIH2
VIN = VCC; APODISB =
0V
1
µA


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