29 journey aliso viejo, ca 92656 usa (949) 448-7070 f ax : (949) 448-8484 e- mail : abinfo @ abracon.com i nternet a ddress : www.abracon.com abracon is iso 9001 / qs 9000 certified corporation abracon -44- ? note: left blank if standard all specifications and markings subject to change without notice t tl output full-size and half-size dip crystal clock oscillators act and aht applications: provide clock signals for microprocessors and digital circuits. ttl output for low emi applications.
ax t - frequency - t emperature - overall frequency stability - duty cycle - t ristate - v alue added xx.xxxxx mhz - j for 20 ppm max -r for 25 ppm max -k for 30 ppm max -h for 35 ppm max -c for 50 ppm max - a tristate e/d -s for 45 / 55% -t for 47.5 / 52.5% -d for -10 c to + 60 c -e for -20 c to + 70 c -f for -30 c to + 70 c -n for -30 c to + 85 c -l for -40 c to + 85 c
( * ) pin 1 has internal pull-up resistor which allows pin 1 to be left floating (enable high) option a for test circuit, waveforms, please see page 67. environmental and mechanical specifications on page 68, group 1. marking, see page 79. pin # pin # function act a ht 1 1 nc or tristate e/d 7 4 gnd / case 8 5 output 14 8 v dd package type act (14 dip) and aht (8 dip) frequency range (f o ) 500 k hz - 70 mhz operating temperature (t opr )0 c to + 70 c (see options) storage temperature (t sto ) -55 c to +125 c frequency stability ( ? i dd ) 30 m a max. f o < _ 25 mhz (without load) 70 m a max. f o ~ 25.01 mhz - 70 mhz duty cycle or symmetry 45/ 55% max. for f < _ 8.0 mhz (at 1.4 vdc) 40/ 60% max. for f > 8.0 mhz (see options) rise and fall 10 ns max. for f < _ 30 mhz times (t r / t f ) 6 ns max. for f > 30 mhz (see options) output load 10ttl max. output voltage (v oh ) 2.4 v dc min. (v ol ) 0.4 v dc max. start-up time (t osc ) 10 ms max. tristate function (v ih ) (option ? -a ? only) (v il ) output disable / enable time 100 ns max. (for option ? - a ? only) ? 1 ? or open: oscillation > _ 2.2v ? 0 ? :output disabled in high impedance (hi z) < 0.8v parameters specifications dimensions: inches (mm) act (14 dip) ah t ( 8 dip) features: her metically sealed metal package. ttl output. case ground for emi protection. tristate enable / disable options. -g gull wing* -g2 gull wing * (aht only) -qxx (trimmed leads)* * found on page 73. c or h 22355 abracon corx 2-29.qxd 3/6/00 6:54 am page 44
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