138 crystal oscillators voltage controlled crystal oscillators 7300 series model 7311a 7311b main applications : isdn, hdtv, pbx features 8 surface mount type 8 compactness (height 5mm max, volume 0.65 j ) 8 wide frequency trim range 8 directly drives the ttl or c-mos ic 8 it is applicable to reflow soldering. specification dimensions ( ? ) 7.62 0.2 1.0 0.1 9.0 14.4 0.2 4.9 0.2 +0.1 (0.15) gnd v.c. 11.4 +dc output 11.4 7.62 0.2 1.0 0.1 9.0 11.7 +0.4 0.2 4.9 0.2 +0.1 0.8 gnd v.c. 11.4 +dc output 11.4 11a-3 (mm) 11b-4 (mm) recommended land pattern 3.81 3.81 1.6 3.3 4.3 4.3 3.3 recommended land pattern 1.6 1.95 4.3 4.3 1.95 3.81 3.81 2~52 +5vdc?% +3.3vdc?% n-ttl2 15pf ?0~+70?c 30ma max 20ma max ?0 10 ? max ttl level c-mos level 40~60% (+1.4v) 40~60% (1/2v dd ) 40~60% (1/2v dd ) ?0 10 ? min ?00 10 ? min/+2.5?.0v /+1.65?.5v positive 11a-3, 11b-4 standard nominal frequency range (mhz) supply voltage load operating temp. range current consumption frequency stability output level duty cycle afc charact. polarity case code model 7311a, 7311b item spec. code see ( ? ) sv71 sv81 sv81-d standard nominal frequency (mhz) spec code 2 ~ 25 g 25 ~ 52 a model 7311a case code 11a-3, 7311b case code 11b-4
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