MIC1557YM5-TR Clock,Timing & Frequency Management by Microchip Technology

IttyBitty® CMOS RC Oscillator

Semiconductors - ICs
> Clock,Timing & Frequency Management
> Timers, Oscillators & Pulse Generators
Status: Active
Series: MIC1557
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock
The MIC1555 IttyBitty® CMOS RC timer/oscillator and MIC1557 IttyBitty® CMOS RC oscillator are designed to provide rail-to-rail pulses for precise time delay or frequency generation.The devices are similar in function to the industry standard "555", without a frequency control (FC) pin or an opencollector discharge (D) pin. The threshold pin (TH) has precedence over the trigger (TR) input, ensuring that the BiCMOS output is off when TR is high.The MIC1555 may be used as an astable (oscillator) or monostable (one-shot) with separate threshold and trigger inputs. In the one-shot mode, the output pulse width is precisely controlled by an external resistor and a capacitor.Time delays may be accurately controlled from microseconds to hours. In the oscillator mode, the output is used to provide precise feedback, with a minimum of one resistor and one capacitor producing a 50% duty cycle square wave.The MIC1557 is designed for astable (oscillator) operation only, with a chip select/reset (CS) input for low power shutdown. One resistor and one capacitor provide a 50% duty cycle square wave. Other duty-cycle ratios may be produced using two diodes and two resistors. The MIC1555/7 is powered from a +2.7V to +18V supply voltage.The MIC1555/7 is available in the SOT-23-5 5-pin package, and is rated for -40°C to +85°C ambient temperature range.

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Prices starting from US$0.36

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Features

+2.7V to +18V operation
<1µA typical shutdown mode (MIC1557)
200µA typical (TRG and THR low) at 3V supply
Timing from microseconds to hours
"Zero" leakage trigger and threshold inputs
50% square wave with one Resistor, one Capacitor
Threshold input precedence over trigger input
<15O output on resistance
No output cross-conduction current spikes
<0.005%/°C temperature stability
<0.055%/V supply stability
Small SOT-23-5 surface mount package

Specifications

Product Type Timers
Voltage 2.7 - 18
Pull Range (±PPM) 0
Pins | Packaging 5 | SOT-23
Temp Range -40C to +85C
Packing Media Tape and reel (3000)

Last 6 months Inventory & Pricing History

Environmental Information

JEDEC Indicator e4
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.0174
Shipping Weight (kg) 0.049
Lead Count 5
Package Type SOT-23
Soldering Composition NiPdAu

Alternative Descriptions

2.7V to 18V, '555' RC Timer/Oscillator with Shutdown | Microchip Technology
MIC1557 Series 5 MHz 20 mA IttyBitty RC Timer / Oscillator - SOT-23-5 | Future Electronics
RC TIMER/OSCILLATOR, ITTYBITTY, SMD | element14
Rc Timer/Oscillator, -40 To 85Deg C | Newark Electronics
IC: peripheral circuit | TME
Timer, Fmax=5MHz, Iq=0.2mA, Vcc=2.7/18V, -40+85 °C | ECOM
Microchip MIC1557YM5-TR Oscillator | RS
Standard Timer Single -40C 85C 5-Pin SOT-23 T/R | Richardson RFPD
Timer, Oscillator IC, IttyBitty CMOS RC, Astable, 5 MHz, 2.7 V to 18 V, SOT-23-5 | EBV Elektronik

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MIC1557YM5-TR?

Additional datasheets, footprints and schematics for MIC1557YM5-TR are listed on our Part Details page. You can also find images and similar parts to MIC1557YM5-TR on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for MIC1557YM5-TR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view MIC1557YM5-TR price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does MIC1557YM5-TR fall under?

The MIC1557YM5-TR is listed under Semiconductors - ICs > Clock,Timing & Frequency Management > Timers, Oscillators & Pulse Generators.

Can I view similar or alternative parts?

You can view similar parts to MIC1557YM5-TR when available in the Timers, Oscillators & Pulse Generators range under the specifications section at the bottom of the details page.

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Submit any questions directly to the customer support team of the distributor listing the product. For the MIC1557YM5-TR you can contact the distributor directly for product support, shipping queries etc.

Is the MIC1557YM5-TR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

Which authorised distributors for MIC1557YM5-TR have stock available?

Authorised distributors including Microchip Technology, Future Electronics, element14, Farnell and Newark Electronics have stock available or on a lead time for MIC1557YM5-TR.

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