STCL132K STMicroelectronics, STCL132K Datasheet

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STCL132K

Manufacturer Part Number
STCL132K
Description
silicon oscillator
Manufacturer
STMicroelectronics
Datasheet

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STCL132KRDEAW89
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Microchip
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Part Number:
STCL132KRDEAW89
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STCL132KWDEAW89
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Features
Applications
Description
The STCL132K silicon oscillator devices are reliable, easy to use, 5-pin low-cost silicon oscillators
developed primarily for microprocessor clock applications, display drivers or other system applications
where tighter clock accuracy is not critical. Compared to crystal oscillators, silicon oscillators offer the
advantages of faster startup, smaller size and improved immunity to shock, vibration and EMI.
The STCL132K silicon oscillator devices are equipped with chip enable input, offering an easy way to
stop microprocessor clocking during a power saving mode while at the same time significantly reducing
the oscillator current consumption.
April 2008
Fixed frequency 32,768 Hz
±1.0% (0 to 70 °C), ±1.2% (–30 to 85 °C)
frequency accuracy over all conditions
1.65 to 1.95 V, 2.7 to 3.6 V operation
Low operating current, ultra low standby
current
Push-pull, CMOS compatible frequency
(square wave) output
Chip enable input, active high, internal 150 k
pull-down
Fast and stable startup
No external components required
Temperature range: –30 to +85 °C
Package: SC70-5L
RoHS compliant
Low-speed microprocessor clock
Display drivers
Any application with multiple inputs sharing
a common clock source
Rev 5
32,768 Hz silicon oscillator
SOT323-5 (SC70-5L)
(W8)
STCL132K
www.st.com
1/20
1

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STCL132K Summary of contents

Page 1

... Compared to crystal oscillators, silicon oscillators offer the advantages of faster startup, smaller size and improved immunity to shock, vibration and EMI. The STCL132K silicon oscillator devices are equipped with chip enable input, offering an easy way to stop microprocessor clocking during a power saving mode while at the same time significantly reducing the oscillator current consumption ...

Page 2

... Transition to disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Fast startup and stable wakeup from disable . . . . . . . . . . . . . . . . . . . . . . . 7 4 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 Typical operating characteristics and scope plots . . . . . . . . . . . . . . . 11 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 8 Package details SC70-5L (RoHS compliant Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10 Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 www.DataSheet4U.com 11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/20 STCL132K ...

Page 3

... STCL132K List of tables Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 3. DC and AC measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 4. DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 5. SC70-5L – 5-lead small outline transistor package mechanical data . . . . . . . . . . . . . . . . . 15 Table 6. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 7. Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 8. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 www.DataSheet4U.com ...

Page 4

... Figure 1. SC70-5L pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. Microprocessor (MCU, microcontroller unit) clock – replacement KHz crystal . . . . . 6 Figure 3. Frequency vs. temperature (STCL132KRxxx Figure 4. Duty cycle vs. temperature (STCL132KRxxx Figure 5. Active supply current vs. temperature (STCL132KRxxx Figure 6. Standby supply current vs. temperature (STCL132KRxxx Figure 7. Startup time vs. temperature (STCL132KRxxx Figure 8 ...

Page 5

... STCL132K 1 Pin descriptions Figure 1. Table 1. Symbol OUT CE GND NC www.DataSheet4U.com SC70-5L pin connections OUT 3 Signal names Positive supply voltage pin Frequency (square wave) output, CMOS compatible, push-pull Chip Enable input, CMOS level, active high, internal 150 k Ground No Connect Pin descriptions ...

Page 6

... I/O port takes over the CE control. www.DataSheet4U.com 6/20 CE (2) I/O 1 STCL132K OUT 3 NC and GND pins of the oscillator device. The whole oscillator applications utilizing standby mode and where the CE pin is connected to the controlling I/O STCL132K 0.1 µF (1) GND 4 GND AI12659a ...

Page 7

... STCL132K 3 Operation Use of the STCL132K silicon oscillator device is very simple. Once power is applied to V pin, a CMOS-compatible square wave output signal is provided on the F active mode the Chip Enable (CE) input pin must logic high level). 3.1 Chip enable This feature allows the user to stop the clock and significantly reduce the current consumption when the application is put into power saving mode ...

Page 8

... Lead solder temperature for 10 seconds Input voltage Supply voltage Machine Model JESD22-A115-A level A Human Body Model JESD22-A114-B level 2 (2) Charged Device Model Table 2: Absolute maximum ratings Value –55 to 150 260 –0 –0.3 to 4.6 (2) 100 ( STCL132K may Unit °C °C +0 ...

Page 9

... Table 3. V supply voltage CC Ambient operating temperature Load capacitance (C 1. Unless otherwise specified. www.DataSheet4U.com DC and AC measurement conditions Parameter STCL132KRxxx 1. °C, –30 to +85 ° and AC parameters (1) STCL132KWxxx 2 °C, –30 to +85 ° 9/20 ...

Page 10

... V, –30 to +85 °C CC (STCL132KRxxx 1. +70 °C CC (STCL132KRxxx) ( 2.7 to 3.6 V, –30 to +85 °C CC (STCL132KWxxx 2 +70 °C CC (STCL132KWxxx) Cycle-to-cycle, over 20 s Taken at half of the signal amplitude From the point when V reached CC min operating voltage or CE went high until valid output signal occurs ...

Page 11

... STCL132K 6 Typical operating characteristics and scope plots Figure 3. Frequency vs. temperature (STCL132KRxxx) 32.90 32.80 32.70 Mean frequency 32.60 (kHz) 32.50 32.40 32.30 –40 Figure 4. Duty cycle vs. temperature (STCL132KRxxx Mean duty 50 cycle (%) www.DataSheet4U.com –40 Typical operating characteristics and scope plots – Temperature (˚ 1. – Temperature (˚ ...

Page 12

... Typical operating characteristics and scope plots Figure 5. Active supply current vs. temperature (STCL132KRxxx Mean (µ –40 Figure 6. Standby supply current vs. temperature (STCL132KRxxx) 100 Mean standby (nA www.DataSheet4U.com 10 0 –40 12/20 – Temperature (˚ ...

Page 13

... STCL132K Figure 7. Startup time vs. temperature (STCL132KRxxx Mean 40 startup time (µ –40 Figure 8. Startup output waveform: already the first cycle is within specifications (power-on, V www.DataSheet4U.com Typical operating characteristics and scope plots – Temperature (˚ 1.8 V, STCL132KRxxx ...

Page 14

... JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ECOPACK specifications are available at: www.st.com. Figure 9. www.DataSheet4U.com 1. Drawing is not to scale. 14/20 SC70-5L – 5-lead small outline transistor package outline STCL132K ® SOT323-5L ...

Page 15

... STCL132K Table 5. Symbol www.DataSheet4U.com SC70-5L – 5-lead small outline transistor package mechanical data mm Typ Min — 0.80 — 0 0.90 — — 0.15 — 0.10 2.00 1.80 2.10 1.80 1.25 1.15 0.65 — 1.30 — 0.36 0.26 — 0° Package mechanical data Inches Max Typ Min 1.10 — 0.031 0.10 — 0 — ...

Page 16

... Pin 1 located opposite to sprocket hole (lower left corner / quadrant 3 with reference to EIA-481B standard). Figure 11. Reel www.DataSheet4U.com Leader length = 500 mm minimum Trailer length = 160 mm minimum Peel strength: conforms to EIA 481 standard Min Max: 130 gm 16/20 Sprocket hole Cavity Tapeslot Trailer Leader STCL132K 4 Direction of feed 3 AI14588 AI14589 ...

Page 17

... STCL132K 9 Part numbering Table 6. Ordering information scheme Device type STCL = Silicon oscillator Product family 1 = Single frequency, fixed Frequency 32K = 32.768 kHz Operating voltage R = 1.65 to 1. 2.7 to 3.6 V Accuracy D = ±1.2% (2) Chip enable E = Single chip enable, active high, pull-down (2) Disable mode www.DataSheet4U.com A = Immediate disable, output low during disable, output low during startup ...

Page 18

... STCL 1 32K STCL 1 32K letter assigned to indicate assembly work week (i.e WW01 and WW02 WW03 and WW04 WW05 and WW06..., Z = WW51, WW52, and WW53). www.DataSheet4U.com 18/20 Package marking Part number V range Topside marking CC 1.65 to 1.95 V 32Ax 2.7 to 3.6 V 32Dx STCL132K (1) ...

Page 19

... Updated cover page; frequency accuracy in 2 Package mechanical Document reformatted, added STCL132KWxxx device and 3 commercial temperature range, Chapter 8, Table 3 and 4, 4 Updated cover page, 5 Changed status for STCL132K, added note below Revision history Changes Table 4; Section 7: data; and Section 9: Part numbering. Chapter 10, updated Chapter Figure 10 ...

Page 20

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 20/20 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com STCL132K ...

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