KKA8583N
KKA8583N is CMOS timer manufactured by Kodenshi AUK Group.
Features
:
TA = -20° Tо 70° C
Table1
- PIN ASSIGNMENT
OSCI OSCO A0 GND SDA SCL INT Vcc Pin 1 2 3 4 5 6 7 8 Generator input, 50Hz or occurrences Generator output Address input GND Data for I2C-bus Clock pulses for I2C-bus Open-drain interrupt output Supply voltage
Pinning diagram
OSCI OSCO A0 GND 1 2 3 4 8 7 6 5 Vcc INT SCL SDA
Fig.1
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KKA8583
Block diagram KKA8583N
KKA8583N OSCI OSCO INT VCC GND A0 SCL SDA I2C-bus interface Address register Power-on reset
KKA8583 OSCILLATOR 32.768k Hz
Divider 1:256 or 100:128
100Hz
Control logic
Control/status Hundredth of a second seconds minutes hours Year/date Weekday/months timer Alarm control Alarm regisers or RAM RAM (240х8)
00 01
07 08 0F FF
Fig. 2.
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KKA8583
Table 2
- Remend-operating conditions Parameter Symbol Unit Supply voltage, Vcc, V
- operating
- clock Low input voltage, Vil, V High input voltage, Vih, V Operating ambient temperature, Tamb, °C Input frequency, f I, MHz Limits Not more 2.5 1.0 0 0.7- Vcc -20 1 Not less 6.0 6.0 0.3- Vcc Vcc +70 Only for event mode Note
Tamb=0÷+70°C
Table3
- Absolute maximum rating Parameter Limits Note Symbol Unit Not more Not less Supply voltage, Vcc, V -0.8 7,0 Input voltage for all inputs, VI, V -0.8 Vcc+0.8 Note1 Max output current, Io, m A 10 Max input current, II, m A 10 Current through inputs 04 or 08, IDD, 50 ISS, mА Power dissipation on package, РTOT, 300 m W Power dissipation on output , РО, m W 50 -65 +150 Storage temperature, Tstg, °С Notes: 1. If voltage on diode is higher than VCC or lower than GND, the current will flow, the current should be not more than ±0.5m A.
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KKA8583
Table 4
- Electrical parameters. Parameter, Symbol unit Supply Supply current ,Iсс, µA Supply current for clock, IСС0, µA Data storage supply current, ICCR, µA
I C-bus enable level, VPOR, V Input/output SDA Low output current, IOL, m A Input leakage current, |II|, µA
Limit Not less Not more 200 50 10 5 2...