FEATURES Timing from microseconds to hours SA556F,N SE556N,F NES556F,N SE5SS6C,F,N PIN CONFIGURATION Replaces two 555 timers Operates in both astable and monostable modes High output current Adjustable duty cycie TTL compatible available). APPLICATIONS Precision timing Sequential timing Pulse shaping Pulse generator Missing pulse detector Tone burst generator Pulse width modulation Time delay generator Frequency division Industrial controls Appliance timing Traffic light control Touch tone encoder 246 Temperature stability of 0.005% per C SE566 MIL STD 883A, B, C available. N38510 (JAN planned, 38510 processing Pulse position modulation F,N PACKAGE piscuarce [7 | 14] Yoo THRESHOLD [2 | 13] DISCHARGE CONTROL 74 VolTeoe L| 72] THRESHOLD CONTROL RESET [4 | 1) vouTace output [5 | [10] Reset TRIGGER [6 | [9] output crouno [7 | [8 | TRIGGER BLOCK DIAGRAM T ec DISCHARGE , DISCHARGE | THRESHOLD < THRESHOLD - comp I CONTROL VOLTAGE |_| I CONTROL VOLTAGE RESET | RESET I | FLIP FLOP I FLIP FLOP 1 l OUTPUT 1 OUTPUT | I L 1 come TRIGGER | TRIGGER { GROUND 1 EQUIVALENT SCHEMATIC (Shown for one circuit only) TRIGGERO_-J RESET oKors DISCHARGE FM CONTROL VOLTAGE Yoo O- ; R1 R2 RI R4 4.7K 330 47K 1K as as a7 | a3, cee A THRESHOLD Qt oa A b0 ouTPUT SiN0tES ABSOLUTE MAXIMUM RATINGS SASS6F,N SESS6N,F NESS6F,N SE556CF,N PARAMETER RATING UNIT Supply voltage SE556 +18 Vv NE556, SE556C, SA556 +16 Vv Power dissipation 600 mw Operating temperature range NE556 0 to +70 C SA556 -40 to +85 C SE556, SE556C ~55 to +125 C Storage temperature range -65 to +150 C Lead temperature +300 C (Soldering, 60 sec) ELECTRICAL CHARACTERISTICS Ta= 25C, Vcc = +5V to +15V unless otherwise specified. SiNGties PARAMETER TEST CONDITIONS SES56 NESS56/SESS6C/SAS56 Min Typ Max Min Typ Max UNITS Supply voltage 4.5 18 4.5 16 Vv Supply current (tow state)! Voc = 5V RL = 6 10 6 12 mA Voc = 15V RL = & 20 24 20 30 mA Timing error (monostable) Ra = 2k to 100k Initial accuracy2 C= 0.1nF 0.5 1.5 0.75 3.0 % Drift with temperature 30 100 50 ppm/C Drift with supply voltage 0.05 0.2 0.1 0.5 %/V Timing error (astable) Ra, Re = 1k to 100kN Initial accuracy2 C= 0.1pF 1.5 2.25 % Drift with temperature Voc = 15V 90 150 ppm/C Drift with supply voltage 0.15 0.3 %/V Control voltage level Vec = 15V 9.6 10.0 10.4 9.0 10.0 11.0 Vv Voc = 5V 2.9 3.33 3.8 2.6 3.33 4.0 Vv Threshold voitage Voc = 15V 9.4 10.0 10.6 8.8 10.0 11.2 Vv Voc = 5V 27 3.33 4.0 2.4 3.33 4.2 Vv Threshold current3 30 250 30 250 nA Trigger voltage Voc = 15V 48 5.0 5.2 4.5 5.0 5.6 Vv Veco = 5V 1.45 1.67 1.9 1.1 1.67 2.2 Vv Trigger current Vrrig = 0V 0.5 0.9 0.5 2.0 uA Reset voltages 0.4 0.7 1.0 0.4 0.7 1.0 Vv Reset current 0.1 0.4 0.1 0.6 mA Reset current VRESET = OV 0.4 1.0 0.4 1.5 mA Output voltage (low) Veco = 15V Isink = 10mA 0.1 0.15 0.1 0.25 V Isink = SOMA 0.4 0.5 0.4 0.75 V Isink = TOOMA 2.0 2.25 2.0 3.2 Vv Isink = 200mA 2.5 25 V Voc = 5V Isink = 8MA 0.1 0.2 0.25 0.3 Vv Isink = SMA 0.05 0.15 0.15 0.25 V Output voltage (high) Voc = 15V IsqURGE = 200mA 12.5 12.5 V IsquRCE == 100mA 13.0 13.3 12.75 13.9 V Voc = 5V Isource = 100mA 3.0 3.3 2.75 3.3 V Rise time of output 100 200 100 300 ns Fall time of output 100 200 100 300 ns Discharge leakage current 20 100 20 100 nA Matching characteristics4 Initial accuracy2 0.5 1.0 1.0 2.0 % Drift with temperature 10 10 ppm/C Drift with supply voltage 0.1 0.2 0.2 0.5 %/V 247 NOTES 1. Supply current when output is high is typicaliy 1.0mA less. 2. Tested at Vcc = 5V and Vcc = T5V. 3. This will determine the maximum value of Ra+ Rae For 15V operation, the maximum total R = 10 meg-ohms, and for 5V operation, the max, total R = 3.4 meg-ohms, TYPICAL PERFORMANCE CHARACTERISTICS SA556F,N SES5S56N,F NES5S6F,N SESS56C,F,N 4. Matching charactristics refer to the difference between performance characteristics for each timer section in the monostable mode. 5. Specified with trigger input high. MINIMUM PULSE WIDTH SUPPLY CURRENT HIGH OUTPUT VOLTAGE DROP REQUIRED FOR TRIGGERING vs SUPPLY VOLTAGE vs OUTPUT SOURCE CURRENT 150 10.9 125 z < 8.0 2 too E a 75 > = 3 Q 2 % 40 $ z 50 z = 3 25 20 5V= Voc= 15V o 0 0 of 0.2 0.3 0.4 5.0 10.0 15.0 10 2.0 $0 10 20 50 100 LOWEST VOLTAGE LEVEL OF TRIGGER PULSE SUPPLY VOLTAGE - VOLTS 'sounce-~'4 LOW OUTPUT VOLTAGE LOW OUTPUT VOLTAGE LOW OUTPUT VOLTAGE vs OUTPUT SINK CURRENT vs OUTPUT SINK CURRENT vs OUTPUT SINK CURRENT 10 10 = 19 cc 10V Yoo = 15v o 10 19 1.0 be e 3 2 s k 1 5 =) 5 So 2 2 > + 125C 04 0.4 0.1 0.01 0.01 0.01 10 2.0 50 10 20 50100 1.0 2.0 50 10 20 50 100 10-20 50 10 20 50100 sinkMA 'sinkMA sink (mA) DELAY TIME DELAY TIME vs PROPAGATION DELAY vs TEMPERATURE SUPPLY VOLTAGE vs VOLTAGE LEVEL OF TRIGGER PULSE 1.015 1.015, 300 1.010 1.010 250 = g E 1.008 1.008 % 200 < t ws a Z 5 a 4.000 8 1.000 & 150 N N =< 2 Z 8 3 0.998 z 0.995 a 100 8 g calee 0.990 0.990 50 + 125C 0.985 0.985 9 -80 -25 QO 625 +50 475 4100 +125 0 5 10 15 20 0 at 02 0.3 04 TEMPERATURE (C) SUPPLY VOLTAGE (V) LOWEST VOLTAGE LEVEL OF TRIGGER PULSE (X Vcc) 248 Sinetics