289 4324,/74324 Voltage-Controlled Oscillators Schottky TTL High-Speed TTI. Low-Power Schottky TTL Standard TTL Tow-Power TTL Package Packat [ . . 2 . Pa Device Type c Device Type Be | Device Type ckage Device Type Package Device T. Package P|M|cr C[P[M [cr C[P[M [cr c[P[M [cr e 1 Cle [M|cF| Tl. I SNS54&L S324 3D WD! SN7T4L S324 J OND FAIRCHILD + MOTOROLA N.S.C. PHILIPS SIGNETICS SIEMENS FUJITSU HITACHI MITSUBISHI + NEC TOSHIBA Electrical Characteristics SNS4LS324/SN74L5324 absolute maximum ratings over operating free-air temperature range Supply voltage. Voc WN Operating free-air | SNS4LS 5T to l25T Input voltage N temperature range [SN74LS OT to 70T Storage temperature range -65T to 1SOT l recommended operating conditions Pin Assignment (Top View) SNS54LS324 SN74LS324 UNIT MIN NOM MAX] MIN NOM MAX SNS4LS" J OR W PACKAGE Supply voitage, Voc 45 5 5.5| 4.75 5 5.25] Vv SN74LS |. JOR N PACKAGE tnput voltage at frequency control or range input, 0 5 0 5 v "L324 (TOP VIEW) Vi(freg) O Vilrng) & 1 High-tevet output current. 1oW 1.2 1.2] mA odio cme eee Low-level output current. loL 42 24) mA wLisbieeiae eli sist I [ Hz f r Output frequency (enabled), fo 20 20| MHz enea. a | Operating free-air temperature, TA 55 125 0 70} perme electrical characteristics over recommended operating free-air temperature range emis (unless otherwise noted) G PARAMETER TEST CONDITIONS + MIN TYP MAX | UNIT Sa Vin High-level input 2 7 ano ne eye anaaeouTeut voltage at enable Vit Low-leval input 0.8 Vv voltage at enable ViK input clamp voltage at enable# | VcG=MIN, {) = [8mA -1.5 v Voo=MIN, Vin =2V. : High- 1 t 2.7 4 VOH igh-level output voltage low =~ l.2mA, See Note 3 3 v Voo=MIN. VoL _Low-levei output voltage Voc open lor =24mA 0.35 9.5) V ViL=ViL max \ Input current Freq control v MAX 250 A n Ta = Put cure or range & ce 50 1 x Input current | q at maximum Enable @ Vog=MAX, Vi=TV B.1] mA Input voltage High-level he afrieve Enable Voc =MAX, Vj=2.7V 20) uA Input current Low-level bh = . =0.4 0.4 QL input current Enable @ Voc =MAX, V\=0.4V 0 mA los Short-crcut output current | Vog =MAX 40 225| mA Supply current, total into Voc = Max I 13 cis) A CC Vom and & Voo pins See Note 4 | S324 " Switching characteristics, Vcc =5V (unless otherwise noted), Ry = 6670, CL=45pF, Ta= 25C PARAMETER TEST CONDITIONS MIN TYP MAX | UNIT Vil teaq) =9. Viteng) = OV 20 30 t Output fi ene = 2 MHZ urput Frequency Cont = 20F pies 120 Output frequency t Vv =Nv.V =v =0V 10 20 MH (crystal controlled) voc (trea) = rng) 7 Output duty cycle Coxt=8.3pF to $00uF 50% Propagation delay time. APHL high-to- low-level fo 1 Hz 30+" ns output from enadie t For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. Tat typical values are at Vog =SV. Ta =25T $Not more than one output should be shorted at a time and duration of the @The characteristics involving an enable input are applicable to "L.$324 and LS326 only. NOTES: 3. Von ts measured for Y outputs by connecting a I-k resistor tram CX1 to Vcc and another {+Q resistor from CX2 to GNO. This procedure is reversed for testing VQH of outputs (not applicable to 'L $327). That is, a 1-kQ resictor is connected from CX2 to Voc and another I-kQ resistor from CX1 to GND. Ouring the Vou tests of 'L$324 and $326, the enable pin should be at Vi_ max. For L $324 and 'L $326. IgG 1s measured with the outputs disabled and open, and @ Vog=MAX, For "LS325 and "LS327, 'og 1s measured with one @ Voc =MAX. and with the other Vo and outputs open. short-circuit should not exceed one second. 4. aThe range input is provided only on the "LS324 "The delay will typically be 30 ns pulse up tg one period of one cycie to the signal generated by the internal | oscillator 1x (le. 30.ns + 09 (Hz) ns) depending upon the timing of the enable puise with respect 0