RE46C163E16F

RE46C162/163 CMOS Ionization Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory Features Description • Pin Selectable Horn Patterns • Alarm Memory • Sensitivity Control Timer: - 8 minute Timer for RE46C162 - 1 minute Timer for RE46C163 • >1500V ESD Protection (HBM) on All Pins • Guard Outputs for Ion Detector Input • ±0.75 pA Detect Input Current • Internal Reverse Battery Protection • Low Quiescent Current Consumption ( Pin 15; 130mV Level Shift on P in 13 TPW Pin 15 > Pin 13 TPER2 Inte rnal Clock 24 Cloc k Cyc les (40 S) 24 Cloc k Cy cles (1S) LED Sample Smoke Low Battery Warning Chirp Horn See F igure Below for C omplete Horn Cycle TIODLY1 IO (Pin 2) as Output Timing not same scale as above IO Charge Dump TIODMP TIOFILT IO ( Pin 2) a s Input LED supress ed in remote alarm mode TIODLY2 Horn Start of horn tem poral pattern is not sy nc hroniz ed to an ex ternal alarm Horn pattern not self completing for external alarm,s ee timing below for complete horn c ycle Inte rnal Clock Note s: 1. Smoke is not sampled when the ho rn is active. Horn cycle is self completing in local alarm. 2. L ow battery warnin g chirp is suppressed in local or re mote alarm 3. IO Dump active on ly in loca l alarm, inactive if external alarm T HOF2 THON1 THOF1 Complete Temporal Horn Pattern THON3 THOF3 Non -Temporal Horn Pattern FIGURE 3-1: DS22245A-page 12 Timing Diagram – Standby, Local Alarm, Low Battery.  2010 Microchip Technology Inc. RE46C162/163 Oscillator TPER1 TPW Internal Clock TSTART TLOF3 LED Outputs High Z TSTROBE TTPER FIGURE 3-2: Timing Diagram –Timer Mode. AlarmMemory Alarm, No Low Battery Alarm Memory; No Alarm; No Low Battery AlarmMemory After 24 Hour Timer Indication Standby LED TLON TLOF2 TLOF4 TLOF1 TLOF1 TLOF5 THON2 TAMTPER HB THOF5 TSTART FIGURE 3-3: Timing Diagram – Alarm Memory Mode.  2010 Microchip Technology Inc. DS22245A-page 13 RE46C162/163 NOTES: DS22245A-page 14  2010 Microchip Technology Inc. RE46C162/163 4.0 PACKAGING INFORMATION 4.1 Package Marking Information 16-Lead PDIP Example XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN Legend: XX...X Y YY WW NNN e3 * Note: RE46C162-V/P 1003256 Customer-specific information Year code (last digit of calendar year) Year code (last 2 digits of calendar year) Week code (week of January 1 is week ‘01’) Alphanumeric traceability code Pb-free JEDEC designator for Matte Tin (Sn) This package is Pb-free. The Pb-free JEDEC designator ( e3 ) can be found on the outer packaging for this package. In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information.  2010 Microchip Technology Inc. DS22245A-page 15 RE46C162/163                 3 %& %! %4" ) '  % 4$%  %"% %%255)))&  &54 N NOTE 1 E1 1 2 3 D E A A2 L A1 c b1 b e eB 6% &  9&% 7!&(  $ 7+8- 7 7 7: ; < %  % %  = =   ""4 4  0 , 0 1 % %  0 = =  !" %  !" >"% -  , ,0  ""4>"% -  0 ? : 9%  ,0 00 0 % % 9 0 , 0 9" 4  ?  0 ( 0