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TB1012F
CR TIMER
TOSHIBA TB1012F
TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC
Tllil‘IIZIF
CR TIMER
FEATURES
0 MOS IC with 22-stage binary counter.
o Built-in initialize circuit.
a Built-in voltage detection comparator.
o Wide range timer setting.
It Low power dissipation current.
0 Suitable for Ni-cd battery charger.
SSOP10-P-225-1.00
BLOCK DIAGRAM Weight : 0.1g (Typ.)
osc3€ "tLoy,
osca(2
osc1® >_ R
CK 22Bit COUNTER
Q9 Q22
CMP+ 7 + 9 OUT
CMP- 4 _
RESET/f-s,,,,-"-:,,,,, ciy OUT
'-1 >O-0- S Q CK Q Q (*) 1 hour setting frequency
- -C, f: 1.1378Hz (t15%)
E l" R R R Duty; 1 : 1
. . . J, l g-DGND
1 2001-06-27
TOSHIBA TB1012F
FUNCTION DESCRIPTION ON EACH TERMINAL
PIN No. SYMBOL FUNCTION
1 OSC1 Oscillation input terminal 1
2 OSC2 Oscillation input terminal 2
3 OSC3 Oscillation input terminal 3
- Comparator minus (-) side input terminal
4 CMP " " . " n . .
L : Timer mode, H : Timer over voltage detection mode
5 GND GND
6 RESET Reset terminal (Fi-aL : inside reset)
Comparator plus (+) side input terminal
7 CMP+ u u . " " . .
H : Timer mode, L : Timer over voltage detection mode
8 P Out Pulse output terminal (N-ch open drain, sink max. 5mA)
9 TIMER OUT1 Timer output terminal (N-ch open drain, sink max. 5mA)
10 VDD System power supply
PIN CONNECTION
osc1|11O IO [IVDD
oscar 2 9 [ITIMER OUT
oscar 3 TOP VIEW 8 UP OUT
CMP" t 4 7 Tom''
Groot 5 6 JRESET
TRUTH TABLE
MODE OUTPUT
2 Timer mode
Timer over voltage detecting mode
(*) : H or L
Turning the power supply on, "Power on Reset" is operated and output level is "L".
2 2001-06-27
TOSHIBA mom:
TIMING CHART
POWER ON RESET
- L- - - -
OSCI ______L_ -- - - -- -
. VDD+VF
-- -- - - - VDD
-- - - _ -- - - - VTH
------ 'r----1’ ---- -----l -- '----r----E----r-----f----- GND-VF
|H— 2097152 Pulses - I
TIMER OUT ,' |—
P OUT - ,'
E 1 hour setting frequency l
l f--1.1378Hz(h15%)
- I Duty; 1 : 1
CMP E i"
TIMER OUT ,', i"
P OUT _ - (
1 hour setting frequency f=1.1378Hz " 15%)
Duty ; 1
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply Voltage VDD -0.3--7.0 V
Power Dissipation PD 250-300 mW
Operating Temperature Topr - 20--75 "C
Storage Temperature Tstg - 55--125 "C
Electrostatic Discharge ESD (*) i200 V
Latch Up Current - i 10 mA
(*) : C=200pF, R=OQ, one time discharge
3 2001-06-27
TOSHIBA TB1012F
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Ta = 25 t 1.5°C ' VDD = 5.0V)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Operating Voltage Vopr - - 4.0 5.0 6.0 V
1H c =4700pF,
Afoscl - R = 254.9k0, VDD = 4--61/ - 15 - 15
(f = 582.5Hz)
. . 60s C=1000pF,
t,caiectt,nistFruency R=17.2kn,VDD=4--61/ - %
nf (f = 34.9kHz) 20 20
osc2 - 8H c = 0.01pF, -
(f = 72.8Hz)
Power Dissipation 1 IQD - CR OSC. stopping - - 130
Current (at reset) VDD = 6V pA
2 IDD - CR OSC. operating - - 700
DC CHARACTERISTICS
1.Oscillation Input
OSC1 Leak Current IIH OSC - VIN = 5.0V - 1.0 - 1.0 pA
OSC1 Leak Current h. OSC - VIN = 0V - 1.0 - 1.0 pA
2.CMP Terminal
CMP Offset Voltage Voff - VDD-- 5v -30 - 30 mV
Offset Supply Voltage
Change AVoff - VDD - 4 6V - 1O - 10 mV
CMP+, CMP- Leak IIH CMP', - V|N=5.0V -1.0 - 1.0 A
Current lit. CMP', - lhN=0V -1.0 - 1.0 #
Input Dynamic Range - - - 0 - YE? V
3. Reset Terminal
Leak Current IIHR - VIN = 5.0V -1.0 - 1.0 pA
Inp_ut Pull Up R3 - - 490 700 910 k0
Resistance
4.Timer Out, P OUT Terminal
Sink Current ITS - VOL=0.3V - - 5 mA
Offleak Current ITLH1, 2 - VIN = 0--5.OV - 1.0 - 1.0 pA
4 2001-06-27
TOSHIBA
TB1012 F
FUNCTION CHARACTERISTICS
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
AT C=4700pF, R=254.9k0, 15 15
1 - 1/DD=4--6V (1H) - -
Timer Precision C=1000pF, R=17.2kft, - %
AT2 - VDD--4--6V (60s) - 20 20
C=0.01PF, R =966.7kn, -
VDD=4--6V (8H)
P lse Precision nf C=4700pF, R=254.9kQ, 0.967 1.1378 1.308 %
u Pt - VDD=4~6V (1H) - 1 : 1 - -
Timer setting time
VDD2 -sz
T = 221~Ct-Rt-€n {
VTH (VDD - VTH)
T : Timer setting time (s)
Ct (F)
Rt (n)
VTH = 1.95 (V) : Voltage of oscillator first stage circuit
Vf=0.7 (V) : Voltage of input protection diode (1Pin)
(*) Recommendation of timer setting
TIMER SET UP Rt Ct
About 60s 17.2kQ 1000pF
About 1Hour 254.9kQ 4700pF
About 8Hour 966.7k0 0.01pF
5 2001-06-27
TOSHIBA TB1012F
PACKAGE DIMENSIONS
SSOP10-P-225-1.00 Unit : mm
lqlqlqlqlT-"Cr""'"'"
cy tro C-?
CD, si. to' fy.
ld H H___v_
TYP 1 , 4d: 1
0.6 = a = o. o. c, o.2o®
I 0 .525d:0 J?
Weight : 0.1g (Typ.)
6 2001-06-27
TOSHIBA TB1012F
RESTRICTIONS ON PRODUCT USE
000707EBA
OTOSHIBA 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..
OThe 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.
0 The products described in this document are subject to the foreign exchange and foreign trade
OThe 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.
0 The information contained herein is subject to change without notice.
7 2001-06-27
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