TB1022F 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. Thy STAT CUS NS @ Low power dissipation current. BU Ye @ Suitable for Ni-cd battery charger. SSOP10-P-225-1.00 BLOCK DIAGRAM Weight : 0.1 (Typ.) osc3@} © hor Selppolpsepelpsoe ® K 22Bit Counter Q7 8 9210 Q22 = — G- Bo . 6 PS 2sit count, So pe 2 ice cop - @) > ouTt s R @ [Fe i> s Q | t\\ 78 Y a A | “8 y tI] | ra oura jd [>oy]s Q « Q « Q fy [ | i i | R R b L eS | Fat > CI GND 961001 EBA? 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 | 6 | RESET Reset terminal (HL : inside reset) 7 cMp+ Comparator plus (+) side input terminal “H" : Timer mode, “L” : Timer over voltage detection mode | 8 | TIMER OUT2 |Timer output terminal 2 (N-ch open drain, sink max. 5mA) | 9 __| TIMER OUT1 [Timer output terminal 1 (N-ch open drain, sink max. 5mA) System power supply PIN CONNECTION osc: f1O 10 Yoo osc2 2 gf imer OUT 1 0sc3 3 TOP VIEW gig timer OT 2 cmp” 4 7gcue* GND BS 6 MPRESET TRUTH TABLE INPUT [woot | aes owen pT po Timer Mode 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 horein is eubject to change without notice. 9997-04-07 2/6
i t NSS AA AAAS —a 2097152 Pulses ——1 oe TIMER OUT1 ' 512 Pulses H t 1 [721-4 ke a cmp - 7
1 Ate '
TIMER OUT! a a OO 6 8 | Timer ouT2 + yah e (*) : te’<te at CMP~ input “H” Level cancelled 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 Latch Up Current P= 10 ma (*) : C=200pF, R=00, one time discharge ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Ta =25+1.5°C, Vpp =5.0V) TEST [ crnnncrensme | symot [$e] test conomon [mn |e]. | on CUIT Operating Voltage | Vopr =| —[ sd OT 5.0 | oO | Vv | f 1H C=4700pF, R=254.9kQ, Afose1 Vpp = 5V (f= 582.5Hz) Oscillation Frequency 60s C= 1000pF, R=17.2kQ, % Characteristic f Vpp = 5V (f= 34.9kHz) 15 Afosc2 BH C=0.01pF, R=996.7KQ, Vpp = 5V (f= 72.8Hz) 1997-04-07 3/6
CHARACTERISTIC SYMBOL CIR- TEST CONDITION TYP. | MAX. | UNIT CUIT CR OSC. stopping (at reset) «cin adi, 1 130 Power Dissipation Vpp = 6V A Current CR OSC. operating 700 . (at 60s setting) Power on Reset |_ Vth | — [Vp rise time [ 14f 25] 35] Release Voltage [Veh | = [40us/V [ap 2s5[ 35] DC CHARACTERISTICS 1. Oscillation Input OSCT Leak Current tin osc_| — [Vin=5.0V [-10[ — [10] pA | OSCT Leak Current | osc] —[Vin=0V Si OP — | 10) CMP Offset Voltage | Vor | — [Vop=5V [ -30[ — [30] mv | Offset Supply Voltage a Change AVoff Vpp =4~6V -10 mv cMP*, CMP- Leak |i cMP* ~ Vin=5.0V [=10[ — | 10] werommcten] = [=] = (8 | 3. Reset Terminal [teak Current | ta | — [Vn=50V—SCS~S~S TO — PO Input Pull Up a ee ee 4.Timer OUT1, 2 Terminal Timer Out1, 2 Sink jeune | ns | = [voun02v [= [=| sm | Timer Out Offleak I Vin =0~5.0V A FUNCTION CHARACTERISTICS at C=4700pF, R= 254.9k0,
1 Vpp =5V (1H)
Timer 1 Precision C=1000pF, R=17.2kQ, % (TIMER OUT1) Vpp =5V (60s) AT2 15 C=0.01uF, R=966.7kQ, Vpp =5V (8H) CMP Detecting Timer t C=4700pF, R = 254.9kQ, -50 % Precision c Vpp =5V (1H) Typ. =3.5s 0.85 Timer 2 Precision C=4700pF, R=254.9kQ, oes|t 7 | eas] — | IMER OUT2) Vpp =5V (1H —— r ) Dp =5V (1H) 0,967 | 1.137 | 1.308 1997-04-07 4/6
APPLICATION CIRCUIT (example) 1 hour setting Rg uy Rs LAO IN Coser Voo fi &3B | Q)osc2 men mee Ghosea Our man 132. cp cme" (9) Timer setting time Vpp? - VF tRetn (re (DD-VTW) T : Timer setting time (s) Ct (F) Rt (Q) VTH = 1.95 (V) : Voltage of OSC. first stage circuit V¢=0.7 (V) : Voltage of input protection diode (1Pin) (*) Recommendation of timer setting About 60s 17.2kO, 1000pF About 1Hour 254.9kO, 4700pF About 8Hour 966.7kO 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