TB1012F

TB1012F TOSHIBA | Alldatasheet

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TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC FEATURES. @ MOS IC with 22-stage binary counter. @ Built-in initialize circuit. @ Built-in voltage detection comparator. d © Wide range timer setting. rr} meer sing Tt @ Low power dissipation current. CT a~ @ Suitable for Ni-cd battery charger. SSOP10-P-225-1.00 BLOCK DIAGRAM Weight : 0.1 (Typ.) oscs@} [vo R bor pelle pelpsor-f— cK 22Bit COUNTER Q9 Q22 TIMER cw — nq "our cu - @} pe | s 8 R 1> s rR 3 neseT@}1 fo > le our [>o «K Q K 9 (*) 1 hour setting frequency Duty; 1:1 | R R eS CO [5)cno 961001 EBA? @ TOSHIBA is continually working to improve the quality and the 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 observe standards of safety, and to avoid situations in which @ malfunction or failure of a TOSHIBA product 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 products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. 1997-04-07 1/6

FUNCTION DESCRIPTION ON EACH TERMINAL | PIN No. | SYMBOL FUNCTION | 1 osc1 Oscillation input terminal 1 Osc2 Oscillation input terminal 2 Osc3 Oscillation input terminal 3 cup- Comparator minus (—) side input terminal “L" ; Timer mode, “H" : Timer over voltage detection mode a | 6 | RESET Reset terminal (HL : inside reset) 7 cup+ Comparator plus (+) side input terminal “H" : Timer mode, “L” : Timer over voltage detection mode | 8 [| _POut _ [Pulse output terminal (N-ch open drain, sink max. 5mA) | 9 __| TIMER OUT1 [Timer output terminal (N-ch open drain, sink max. 5mA) System power supply PIN CONNECTION osc 1) 10 Yoo osc2 2 gf TIMER OUT osc3 3 TOP VIEW g iP OUT cup a 7ficue* GND MS 6M RESET TRUTH TABLE INPUT [| moot | ~seser om po Timer over voltage detecting mode (*): Hork Turning the power supply on, “Power on Reset” is operated and output level is "L”. Q61001 EBA?" @ The products described in this document are subject to foreign exchange and foreign trade control laws. © The linformation contained herein is presented only as a guide, for the applications of our products. No responsiblity 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. 9997-04-07 2/6

i { i — — - a = — Yoo+ Ve -=SSR BY BASSE? ——— 2097152 Pulses —— i nee TIMER OUT i 1 \\ _—— i H H ' : —FLIL JU Ue P OUT 1 ; H i cue foury jt T i i 1 hour setting frequency f=1.1378Hz (+15%) Duty; 1:1 MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC SYMBOL RATING UNIT Power Supply Voltage -0.3~7.0 [Power Dissipation | Pp | 250~300 Operating Temperature -20~75 Storage Temperature = 55~125 [atch Up Current = 0 (*) : C=200pF, R=00, one time discharge 1997-04-07 3/6

ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Ta=25+1.5°C, Vpp =5.0V) TEST CHARACTERISTIC SYMBOL TEST CONDITION wn. | ve max UNIT CUIT Operating Voltage [| Vo = [—]| TOT 50 GOT Vv | 1H C=4700pF, Afosc1 R=254.9kQ, Vpp =4~6V -15 (f = 582.5Hz) crags 60s C = 1000pF, at (f = 34.9kHz) 20 josc2 8H C=0.01pF, - R=996.7kQ, Vpp =4~6V (f = 72.8Hz) Power Dissipation 1 CR OSC. stopping Current (at reset) Vpp = 6V uA DC CHARACTERISTICS 1. Oscillation Input OSC1 Leak Current lid osc_| — [Vin=5.0V [-10] — | 10] 4A | O5C1 Leak Current [i ose | — [Vin=0V [exo [ = [10 [pa] CMP Offset Voltage | Vor | — [Vop=5V | -30[ — | 30 | mv | Offset Supply Voltage Change AVoff Vpp =4~6V -10 mv cmP*, CMP~ Leak = [IH CMP‘, ~ VIN =5.0V [=-10[ — | 10], Current iwewp’, ~| — [Vi=ov —f=-10f — [10 | * Pmwoncime| [=] | - (S| Peak Current | wk | — |Vin=50 [=o — [oe | Input Pull Up 700 910 ka Resistance 4.Timer Out, P OUT Terminal Sink Current [its | — [Yor=03V P= Offieak Current [1,2 | — lv=0-sov———---10] — [10] za | 1997-04-07 4/6

CHARACTERISTIC SYMBOL | CiR- TEST CONDITION TYP. | MAX. | UNIT CUIT C=4700pF, R= 254.9kQ, am |= | Vpp =4~6V (1H) 71 Timer Precision am Vpp =4~6V (60s) % Vpp = 4~6V (8H) vue Pou C=4700pF, R=2549K, | 0567 ulse Precision [ore] = |vpp =4~6v 1) P= Tey — [4 Timer setting time Vpp? - V#? T=22-CeReen tReén (5 (vpp- Vi) T : Timer setting time (s) Ct (F) Rt (Q) VTH = 1.95 (V) : Voltage of oscillator first stage circuit V¢=0.7 (V) : Voltage of input protection diode (1Pin) (*) Recommendation of timer setting About 60s 17.2kQ. 1000pF 2s4.9k0) | 4700pF About 8Hour 966.7k0 0.01 4F 1997-04-07 5/6

SSOP10-P-225-1.00 Unit : mm 10 6 HHHHH - [a] al] € §| 8 & tl a ji HHH S 0.6TYP 0.440.1 pe 5.7MAX 5.2+0.2 un x <3 x 2 _ r “= oO SG 0.525+0.2 Weight : 0.1g (Typ.) 1997-04-07 6/6