T6M72,JT6M72-AS TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic T6M72,JT6M72-AS T6M72, JT6M72-AS CMOS Single-Chip LSI for LCD Calculator The T6M72, JT6M72-AS is CMOS single-chip microcomputer for 14-digit or 12-degit 2-memory calculator. T6M72, JT6M72-AS is the complete single-chip CMOS LSI for calculator with single power supply operation. Wide operating voltage range and low-power consumption make it suitable for 1.5 V solar battery operated. Besides T6M72, JT6M72-AS can selectable with a pin-programmable to function of Power timer and Memory hold. With the following features. Features * Weight: 1.52 g (typ.) Display: 14 digits or 12 digits (selectable with a pin-programmable) of data, 2 digits of sign, error symbol, memory load symbol. * Algebraic mode. * Standard 4 functions (+, -, x, /) * Memory and grand total (GT) memory calculation. * Accumulating GT memory register with count up (down) item counter. * Automatic percentage operation with add-on, discount. * Automatic delta percentage, mark-up and mark-down operations. * Square root. * Constant calculation. * Chain calculation. * Change sign. * Floating point or momentary mode (selectable with a switch). * Fixed point ("0", "1", "2", "3", "4" or "6" places) or floating point (selectable with a switch). * Adding point mode (selectable with a switch). * Rounding switches (rounding up, down and off). * Leading zero suppression. * Trailing zero suppression. * Punctuation on display, commas for thousands. * Memory and GT memory contents indicator, turned on with non-zero in the memory and GT memory. * Registration overflow, indicating that too many digits are entered (the most significant digit are protected). * Result overflow, indicating during calculation (most function key are locked as it happened). * Memory overflow indicating to flashing of memory load mark. * Key roll over function. * Floating minus. 1 2003-02-28 T6M72,JT6M72-AS Pin Assignment (top view) 2 2003-02-28 T6M72,JT6M72-AS System Block Diagram Battery Type 3 2003-02-28 T6M72,JT6M72-AS Dual Type 4 2003-02-28 T6M72,JT6M72-AS Solar Type 5 2003-02-28 T6M72,JT6M72-AS Connection of LCD (1) Select of 12 digits Segment Common (2) Select of 14 digits Segment Common 6 2003-02-28 T6M72,JT6M72-AS Key Connection Touch Key Lock Key K13: Selectable with calculated digits and memory hold status. MH (memory hold), MK (memory kill), GTH (GT memory hold) and GTK (GT memory kill) at auto power OFF or OFF key. K12: Selectable with auto power OFF mode and total switch. K11: Rounding switches. K10: Selectable with fixed point or floating mode. Note 1: K12 or K13 line is no choose then keep condition. K12 or K13 line is no choose at the system power on then initial condition is 12-digit A , 5 mode selected. 7 2003-02-28 T6M72,JT6M72-AS Specification of Calculator Speed of Calculation Operation Example 1. Fixed point calculations (1) Key Display Fixed point Place (2) 8 Key Display Fixed point Place 2003-02-28 T6M72,JT6M72-AS 2. Adding Point Mode Calculations Key Display Key Display Key Display 3. Constant Calculations (1) (3) Multiplication Key Display (2) Constant Addition (4) 9 Division Key Display Constant Subtraction 2003-02-28 T6M72,JT6M72-AS (5) (7) Percentage Key Display (6) Constant Add-on Percentage Key Display (8) Discount (2) Key (2) Mark-down Key Display Constant 4. D% Calculations (1) Key Display Display 5. Mark-Up, Mark-Down Calculations (1) Mark-up Key Display 10 2003-02-28 T6M72,JT6M72-AS 6. Add-On, Discount Calculations Add-on Key (1) Discount Key (2) Display (3) (4) (5) (6) Display 7. Average Operation Use of the Item Counter Key Display Item Counter Key 11 Display Item Counter 2003-02-28 T6M72,JT6M72-AS Maximum Ratings Characteristics Symbol Rating Unit VDD1 -0.3~2.0 V Input voltage VIN -0.3~VDD1 + 0.3 V Operating temperature Topr 0~40 C Storage temperature Tstg -55~125 C Supply voltage Electrical Characteristics (VDD1 = 1.5 0.2 V, VDD2 = 3.0 0.4 V, VSS = 0 V, Ta = 25C) Symbol Test Circuit Pin Name Test Condition Min Typ. Max Unit Operating voltage VDD1 3/4 3/4 3/4 1.2 1.5 2.0 V "1" input voltage VIH (1) 3/4 3/4 VDD1 - 0.4 3/4 VDD1 V "1" input voltage VIH (2) 3/4 3/4 VDD2 - 0.4 3/4 VDD2 V "0" input voltage VIL 3/4 3/4 0 3/4 0.4 V VOH (1) 3/4 3/4 VDD2 - 0.2 3/4 VDD2 V VOL (1) 3/4 3/4 0 3/4 0.2 V "M" output voltage VOM 3/4 COM1~3 3/4 VDD1 - 0.2 3/4 VDD1 + 0.2 V "1" output voltage VOH (2) 3/4 K1~K9 3/4 VDD1 - 0.2 3/4 VDD1 V "0" output voltage VOL (2) 3/4 K1~K13 3/4 0 3/4 0.2 V ROH 3/4 VOUT = VDD2 - 0.5 V 3/4 3/4 70 kW ROL 3/4 VOUT = 0.5 V 3/4 3/4 70 kW RKEYH (1) 3/4 RESET VOUT = VDD1 - 0.5 V 3/4 3/4 25 RKEYH (2) 3/4 K0~K9 VOUT = VDD1 - 0.5 V 3/4 3/4 14 RKEYH (3) 3/4 K10~K13 VOUT = 0 V 120 3/4 800 RKEYL (1) 3/4 RESET (1) VOUT = VDD1 100 3/4 300 RKEYL (2) 3/4 RESET (2) VOUT = VDD1 18 3/4 300 RKEYL (3) 3/4 K0~K9 (1) VOUT = 0.5 V 3/4 3/4 50 RKEYL (4) 3/4 K0~K9 (2) VOUT = VDD1 72 3/4 170 ffWAIT 3/4 3/4 VDD1 = 1.5 V 5.4 9.0 15.5 kHz ffOP 3/4 3/4 VDD1 = 1.5 V 20.0 34 61.3 kHz fF 3/4 VDD1 = 1.5 V 56.3 93.8 161.5 Hz IDDWAIT 3/4 3/4 VDD1 = 1.5 V 3/4 3/4 3.3 2 (OPERATE) IDDOP 3/4 3/4 VDD1 = 1.2 V 3/4 3/4 8.9 3 (OFF) IDDOFF 3/4 3/4 VDD1 = 1.5 V 3/4 3/4 2.0 T 3/4 3/4 VDD1 = 1.5 V 429 600 1001 Characteristics "1" output voltage "0" output voltage "1" output resistance "0" output resistance Key pull up resistance Key pull down resistance Oscillating (WAIT) Frequency (OPERATE) Frame frequency 1 (WAIT) Supply current Power off timer times K2~K9 RESET K10~K13 K2~K13 RESET SEGMENT COM1~3 SEGMENT COM1~3 SEGMENT COM1~3 SEGMENT COM1~3 SEGMENT COM1~3 12 kW kW mA s 2003-02-28 T6M72,JT6M72-AS Waveforms for Display Note 3: At ff = 9 kHz 13 2003-02-28 T6M72,JT6M72-AS Pad Location Table (mm) Name X Point Y Point Name X Point Y Point B6 -1757 -1680 RESET 1757 1680 C6 -1757 -1520 (TS1) 1757 1520 A7 -1757 -1360 (TS2) 1757 1360 B7 -1757 -1200 (TS3) 1757 1200 C7 -1757 -1040 (TS4) 1757 1040 A8 -1757 -880 K0 1757 880 B8 -1757 -720 K1 1757 720 C8 -1757 -560 K2 1757 560 A9 -1757 -400 K3 1757 400 B9 -1757 -240 K4 1757 240 C9 -1757 -80 K5 1757 80 A10 -1757 80 K6 1757 -80 B10 -1757 240 K7 1757 -240 C10 -1757 400 K8 1757 -400 A11 -1757 560 K9 1757 -560 B11 -1757 720 K10 1757 -720 C11 -1757 880 K11 1757 -880 A12 -1757 1040 K12 1757 -1040 B12 -1757 1200 K13 1757 -1200 C12 -1757 1360 COM1 1757 -1360 A13 -1757 1520 COM2 1757 -1520 B13 -1757 1680 COM3 1757 -1680 C13 -1089 1753 A1 1122 -1752 A14 -929 1753 B1 962 -1752 B14 -769 1753 C1 802 -1752 C14 -609 1753 A2 642 -1752 A15 -449 1753 B2 482 -1752 B15 -289 1753 C2 322 -1752 S1 -129 1753 A3 162 -1752 S2 31 1753 B3 2 -1752 S3 191 1753 C3 -158 -1752 S4 351 1753 A4 -318 -1752 VSS 511 1753 B4 -478 -1752 VA 671 1753 C4 -638 -1752 VB 831 1753 A5 -798 -1752 VDD2 991 1753 B5 -958 -1752 VDD1 1151 1753 C5 -1118 -1752 VG 1388 1753 A6 -1278 -1752 Note 4: ( ) Do not connect. 14 2003-02-28 T6M72,JT6M72-AS Chip Layout Pad Layout Active Element 15 2003-02-28 T6M72,JT6M72-AS Package Dimensions Weight: 1.52 g (typ.) 16 2003-02-28 T6M72,JT6M72-AS RESTRICTIONS ON PRODUCT USE 000707EBA * TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The products described in this document are subject to the foreign exchange and foreign trade laws. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. * The information contained herein is subject to change without notice. 17 2003-02-28