IZ1236 8-DIGIT CALCULATOR WITH MARKER The IZ1236МR is a single chip CMOS LSI with 8-digitt arithmetic operation, with marker, LCD control, and auto power off function, designed for FEM LCD operation with a 1.5V power supply. FUNCTIONS: - basic arithmetical operations over eight-digit numbers; - operations with memory; - percentage calculation; - square root calculation; - calculation of reverse value of number; - operations with constants; - indication of additional operations. Microcircuit. ABSOLUTE MAXIMUM RATINGS Symbol Name of parameter UDD USB Supply voltage Supply voltage from solar battery input voltage of high level Input voltage of low level Operating temperature range UIH UIL Тamb Тstg Storage temperature Extreme mode min max Limiting mode min max 1.1 1.1 1.8 3.0 -0.3 -0.3 2.1 3.3 V V UDD-0.4 0 0 UDD 0.4 55 -0.3 - UDD+0.3 - V V - - -60 125 1 Unit °С °С IZ1236 ELECTRICAL CHARACTERISTICS (Ta = 25oC, VDD = +3.0V±0.2V, VSS=0V ) Symbol UOL UOL1 UOH1 UOH2 Name of the parameter Output voltage of high level on outputs а1а8, в1-в8, с1-с8, Н1-Н3 Voltage on voltage doubler Voltage on stabilizer of solar battery Input current of low level on inputs K2-K6 IIH Input current of high level on inputs K2-K6 Consumption current, in mode : - "disoperation"; - "in operation "; - " switched off" Period of displaying information on LCD 2 Standard Unit min - max 0.15 V - 0.2 V 0.9 0.2 0.2 1.3 V 1.3 1.7 UDD =1.8 V UDD =1.1 V 1.6 2.0 2.0 - V UDD =1.5 V 2.8 UDD =1.8 V UDD =1.1 V UI =3.0 V UDD =1.5 V UIL =0 V UDD =1.8 V UIH =1.8 V 3.4 2.0 1.6 0.3 2.0 3.0 V V µА - 1.0 µА UDD =1.3 V UDD =1.1 V UDD =1.5 V UDD =1.3 V - 5.0 7.0 0.1 18 µА Output voltage of low level on outputs P1, UDD =1.5 V P2, A2-A5 IOL=15 µА Output voltage of low level on outputs а1-а8, UDD =1.1 V в1-в8, с1-с8, Н1-Н3 UDD =1.5 V UDD =1.8 V Output voltage of high level on outputs Н1- UDD =1.1 V Н3 UDD =1.5 V UC UST IIL Idis Iopr Ioff Td Mode of measurement - mс IZ1236 PURPOSE OF CONTACT PADS Number of contact pad 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Symbol USB К4 К6 К5 Р1 Р2 А5 А4 А3 А2 К2 К3 TST VB VA VC GND H3 H2 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 UDD UOP Purpose Input of solar battery stabilizer Keyboard control input Keyboard control input Keyboard control input Keyboard strobe output Keyboard strobe output Keyboard strobe output Keyboard strobe output Keyboard strobe output Keyboard strobe output Keyboard control input Keyboard control input Test input Pin for capacity connection Pin for capacity connection Pin for capacity connection General output LCD general electrode control output LCD general electrode control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD segment control output LCD general electrode control output Power pin from voltage source Solar battery stabilizer output Note - LCD -liquid crystal display 3 IZ1236 COORDINATES OF CONTACT PADS Number of contact pad Symbol 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 USB K4 K6 K5 P1 P2 A5 A4 A3 A2 K2 K3 TST VB VA VC GND H3 H2 c8 b8 a8 c7 Coordinates X (mm) Y (mm) Number of contact pad 0.083 0.103 0.251 0.396 0.541 0.683 0.817 0.948 1.079 1.210 1.341 1.472 1.680 1.783 1.783 1.783 1.783 1.783 1.783 1.783 1.783 1.783 1.783 0.319 0.103 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.101 0.265 0.396 0.649 0.857 1.041 1.172 1.303 1.434 1.565 1.696 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 4 Symbol b7 a7 c6 b6 a6 c5 b5 a5 c4 b4 a4 c3 b3 a3 c2 b2 a2 c1 b1 a1 H1 UDD UOP Coordinates X (mm) Y (mm) 1.685 1.554 1.423 1.292 1.161 1.030 0.899 0.768 0.637 0.506 0.375 0.244 0.113 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.083 0.083 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.827 1.630 1.488 1.357 1.226 1.095 0.964 0.833 0.702 0.571 0.440 IZ1236 APPLICATION SCHEME WITH THE USE OF CHEMICAL POWER SUPPLY ELEMENT . . , , , . . . . . . 1 , 11 a1-a5, b1-b4, c1-c4 H1 , 13 a6-a8, b5-b8, c5-c8 H2, H3 2 b3 c3 a4 b4 c4 a5 b5 c5 a6 b6 c6 a7 b7 36 35 34 33 32 31 30 29 28 27 26 25 24 a3 37 23 c7 c2 38 22 a8 b2 39 21 b8 20 c8 a2 40 IZ1236MR c1 41 b1 42 + + 33мкФ - 19 H2 18 H3 a1 43 17 GND H1 44 16 VC UDD 45 UOP 46 15 VA 0.1мкФ 14 VB 0.1мкФ U SB 01 02 03 04 05 06 07 08 09 10 11 12 K4 K6 K5 P1 P2 A5 A4 A3 A2 K2 K3 13 TST 3 2 6 K5 P1 A5 A4 A3 + X ON/C P2 K6 6 3 CE 9 5 2 M+ M- 8 4 1 +/- RM CM OFF K4 ON/CE A2 K2 5 7 . % RCM 0 K3 IZ1236 APPLICATION SCHEME WITH THE USE OF SOLAR BATTERY . . , , , . . . . . . 1 , 11 a1-a5, b1-b4, c1-c4 H1 , 13 a6-a8, b5-b8, c5-c8 H2, H3 2 b3 c3 a4 b4 c4 a5 b5 c5 a6 b6 c6 a7 b7 36 35 34 33 32 31 30 29 28 27 26 25 24 a3 37 23 c7 c2 38 22 a8 b2 39 21 b8 20 c8 a2 40 IZ1236MR c1 41 b1 42 + 33мкФ - 19 H2 18 H3 a1 43 17 GND H1 44 16 VC UDD 45 UOP 46 15 VA 0.1мкФ 14 VB 0.1мкФ U SB 01 02 03 04 05 06 07 08 09 10 11 12 K4 K6 K5 P1 P2 A5 A4 A3 A2 K2 K3 SB 13 TST 3 2 6 K5 P1 A5 A4 A3 + X ON/C P2 K6 6 3 CE 9 5 2 M+ M- 8 4 1 +/- RM CM OFF K4 ON/CE A2 K2 6 7 . % RCM 0 K3