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Parameters Specification Remarks Frequency range F_nom 32.768kHz Supply voltage variation 0.25V max. ∆ V/∆T = 1V/us Initial frequency tolerance F_tol ±1.5ppm max. At +25°C±3°C Frequency stability vs Temperature F_stb ±5.0ppm vs Load change F_load ±0.2ppm max. ±10% load condition change vs Voltage change F_Vcc ±0.2ppm max. ±5% input voltage change vs Aging F_age ±3.0ppm/year max. At +25°C vs Reflow ±1.0ppm/year max. 1 reflow and measured after 24hrs vs all range Vcc ±1.0ppm/volt max. Vcc = 1.7V to 5.5V Operating temperature range (°C) Topr ‐40°C ~ +85°C Table 1 Storage temperature (°C) Tstg ‐55°C ~ +85°C Output wave form HCMOS Output load 15pF Output voltage high Voh Vcc ‐ 0.4V min. Ioh = ‐0.1mA For all Vcc range Output voltage low Vol 0.4V max. Iol = 0.1mA For all Vcc range Current consumption Icc 0.79μA ~ 2.05μA Table 2 Rise and fall time Tr, Tf 100ns max. 20% to 80% of waveform Duty cycle SYM 40%/60% typ. Measured at 50% Vcc Start‐up time T_str 1.0 sec max at 25°C 3.0 sec max at ‐40°C~+85°C Pad 1 OE thresholds Vih = 0.8Vcc, Vil = 0.2Vcc Timing error over time ±0.432sec/day For ±5ppm over ‐40°C ~ +85°C Note: The device is ESD sensitive and moisture sensitive level (MSL) ‐ 1 Table 2 Supply voltage vs current consumption Supply voltage (V) Current consumption Icc (μA) 1.8V ± 5% 0.79 μA 2.5V ± 5% 1.05 μA 3.0V ± 5% 1.25 μA 3.3V ± 5% 1.37 μA 5.0V ± 5% 2.05 μA Pad 1 : Output enable Pad 2 : Ground Pad 3 : Output Pad 4 : Supply voltage Advanced Crystal Technology (A wholly owned Acal BFi Company) Tel: +44 (0) 118 978 8878 Email info@actcrystals.com / www.actcrystals.com ISO9001 Registered Specifications subject to change without notification 32.768kHz TCXO, 3.2 x 2.5mm, HCMOS Dimensions(Unit:mm) μA current consumption Pad 1 Pad 3 (Output) Enable (>Vcc*0.8) Active Disable (<Vcc*0.2) High impedance 3.2 2.5Top view 1.8 0.65 1.0 0.6 1.5 1.3 ±0.1
TCXO part number generation TC32M 00003 F B B N B X X S L ‐PF ACT series Code Frequency (MHz) Ex. 32.768kHz Temp. stability (±ppm) Supply voltage (V) Operating temp. range (°C) Frequency tuning (±ppm) Output wave Mechanical tuning (±ppm) Polarity Duty Cycle Tape Reel RoHS Code TC32M 5 digit require to specify kHz frequency. ≤ 99.99kHz 10=00001 32.768=00003 ≥ 100kHz 100=00010 250=00025 5.0 = F1 . 8 V = D 2.5V = C 3.0V = E 3.3V = B 5.0V = A 40 ~ +85 = IN o n e = NH C M O S E None = XN o n e = X 40%/60% S Loose = L 1000 = C 3000 = D ‐PF Note: It is important to suffix the above part number with full frequency required to give a completed part number as illustrated below. Full Example part number : TC32M00003FBBNEXXSL‐PF [32.768KHz] TCME32 Series 32.768kHz TCXO, 3.2 x 2.5mm, HCMOS Advanced Crystal Technology (A wholly owned Acal BFi Company) Tel: +44 (0) 118 978 8878 Email info@actcrystals.com / www.actcrystals.com ISO9001 Registered Specifications subject to change without notification Solder reflow profile Test circuit Tr Tf T t 90% 50% 10% Vol Voh Duty cycle = (t/T) x 100% GND Test waveform Temp.( °C) Time (sec.) 180 ± 10°C 90~120 sec. max 0.45 in 260 ± 5°C 10 sec. max 300 250 200 150 100 220 ± 10°C 30~40 sec. max ⑥④⑦⑧⑨ Drawing control: (Internal use only) Commodity code: 854370 90 99 Issue number : 2 Date : 17062016 Internal reference : M6