TOSHIBA TB1004AF TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB1004AF CR TIMER FEATURES @ MOS IC with 22-stage binary counter. @ Built-in initialize circuit. Built-in voltage detection comparator. @ Wide range timer setting. Low power dissipation current. @ Suitable for Ni-cd battery charger. SSOP10-P-225-1.00 BLOCK DIAGRAM Weight : 0.19 (Typ.) OSC3 Th) voo osezC) osciC) Lb >o > CK a 22BIT COUNTER Q22 TIMER cme*C) OD ouTt s Q cme~ C) 7 s P>o Pf RESET ) TIMER aN ew? O OuT2 Ly (GND To 1 2001-06-27TOSHIBA TB1004AF FUNCTION DESCRIPTION ON EACH TERMINAL PIN No. | SYMBOL FUNCTION 1 OSC1 Oscillation input terminal 2 OSCc2 Oscillation input terminal 3 OSC3 Oscillation input terminal _ Comparator minus () side input terminal 4 CMP nape : wpe . 1 L : Timer mode, H : Timer over voltage detection mode 5 GND GND 6 RESET Reset terminal (H->L : inside reset) Comparator plus (+) side input terminal 7 CMIPt appa . wpa . 1 H" : Timer mode, L : Timer over voltage detection mode 8 TIMER OUT2/ Timer output terminal 2 (TIMER OUT1) (N-ch open drain, sink max. 5mA) 9 TIMER OUT1| Timer output terminal 1 (N-ch open drain, sink max. 5mA) 10 Vpb Power supply voltage PIN CONNECTION oOsci osc2 Osc3 CMP GND TOP VIEW Vpp TIMER OUT1 TIMER OUT2 cmp * RESET TRUTH TABLE INPUT MODE RESET CMP* CMP OUTPUT L (*) (*) L 2 H H L Timer mode Timer over voltage 3 H L H detecting mode (*) HorL Turning the power supply on, "Power on Reset is operated and output level is L. 2 2001-06-27TOSHIBA TB1004AF TIMING CHART VDD ""3Z POWER ON A RESET POWER ON RESET GND RESET osci , CO _ oh i 7 7 " TY T V f 2097152 Pulses TIMER OUT1 TIMER OUT2 a CMP7 ay TIMER OUT1 TIMER OUT2 MAXIMUM RATINGS (Ta = 25C) CHARACTERISTIC SYMBOL RATING UNIT Supply Voltage Vpb -0.3 ~ 7.0 Vv Power Dissipation PD 250 ~ 300 | mw Operating Temperature Topr -20~75 i @ Storage Temperature Tstg -55~ 125 C Electrostatic Discharge ESD (*) +200 Vv Latch Up Current IL +10 mA (*) : C=200pF, R=0Q, one time discharge 3 2001-06-27TOSHIBA TB1004AF ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Vpp =5.0V, Ta = 25 + 1.5C) TEST CHARACTERISTIC SYMBOL | CIR- TEST CONDITION MIN. | TYP. | MAX. | UNIT CUIT Operating Voltage Vopr 4.0 5.0 6.0 Vv 1H C=4700pF Afosc1 | |R=254.9kQ, Vpp=4~6V | -15 | 15 (f = 582.5Hz) Oscillation E 60s C = 1000pF scilation Frequency R=17.2kQ, Vpp =4~6V % Characteristic At (f = 34.9Hz) 20 20 OSC2 | [8H C=0.01pF R=996.7kO, Vpp =4~6V (f = 72.8Hz) ee CR OSC. stopping Power Dissipation 1 lap | (at reset) Vpp =6V _ _ 130 ua 4 2 IDD |CR OSC. operating 700 Dc CHARACTERISTICS 1. Oscillation Input OSC1 Leak Current lin OSC |ViIn=5.0V -1.0 1.0 | uA OSC1 Leak Current liL Osc |Vin=0V -1.0 1.0 | A 2. CMP Terminal CMP Offset Voltage Voff |Vpp =5V -30; 30 | mv Offset Supply Voltage _ Change AV off |Vpp =4~ 6V 10 10 | mv _ IH CMP* VIN =5.0V -1.0 1.0 + CMP*, CMP, Leak Current lL CMP** ~ Vin = OV to| 10| . V Input Dynamic Range _ 0 _ Oe Vv 3. Reset Terminal Leak Current IHR |Vin =5.0V -10) 1.0 | uA Input Pull Up Resistance R3 490 | 700 910 | kQ 4. Timer Out Terminal Timer Out1, 2 Sink Current ITs |Vo_=0.3V 5 | mA Timer Out Offleak Current |ITSLH1, 2 |Vin=0 ~ 5.0V -1.0 1.0 | A FUNCTION CHARACTERISTICS C=4700pF, R = 254.9k0, AT1 | Wop <4~ 6v (1H) -15 15 Timer Precision C= 1000pF, R= 17.2k0 % AT2 _ |Vpp =4 ~ 6V (60s) 20 20 C=0.01uF, R=966.7kO Vpp =4~ 6V (8H) 2001-06-27TOSHIBA TB1004AF APPLICATION CIRCUIT (Example) 1 hour setting R4 u RS AAA WV C1 - al 2 a 3 C2 -{]_ ) me >]]___e Tt ay TG sci vpp [19 a oe a LS o 4 = ren 5 Le osc2 TIMER (54 4 & 28 OUT! os . a T 2 TIMER 150kQ io _ + WW {4] CMP CMP + tNi-ca [| GND RESET -Timer setting time - Y YY R1 nt Vpp* - Vf T= 2CyRe'n {0 *) Recommendation of timer settin VTH (VDD - VTH) 0 g T : Timer setting time (s) TIMER SET UP Rt Ct ct (0) About 60s 17.2kO, 1000pF t VTH =1.95 (V) : Voltage of OSC. first stage About 1H 254.9k0) 4700pF circuit About 8H 966.7kQ 0.01 pF V4=0.7 (V) : Voltage of input protection diode (1pin) APPLICATION CIRCUIT (Example) TNR : | <3 ZD at REGULATOR T ] [3 Control line oc af No} LED 2s C 9 __ ne 05 ee L eo wa) 3) | .a mi R C1 ptk L Ni-Cd 5 2001-06-27TOSHIBA TB1004AF PACKAGE DIMENSIONS SSOP10-P-225-1.00 Unit : mm 10 6 AAARR Pi f 5.72 (225 mil) 0.05 +0.1 0.15 le 0.52520.2 . Weight : 0.19 (Typ.) 2001-06-27TOSHIBA TB1004AF 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. 7 2001-06-27