SIT8918BA-22-33E-24.576000E datasheet, PDF

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SIT8918BA-22-33E-24.576000E: DescriptionOSC MEMS 24.5760MHZ LVCMOS SMD; CategoryPassive components; File Size684KB，18 Pages; ManufacturerSiTime; Environmental Compliance

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SIT8918BA-22-33E-24.576000E Overview

OSC MEMS 24.5760MHZ LVCMOS SMD

SIT8918BA-22-33E-24.576000E Parametric

Parameter Name	Attribute value
type	XO MEMS
frequency	24.576MHz
Function	enable/disable
output	LVCMOS，LVTTL
Voltage - Power	3.3V
frequency stability	±25ppm
Operating temperature	-40°C ~ 125°C
Current - Power (maximum)	4.5mA
grade	-
Installation type	surface mount
Package/casing	4-SMD, no leads
size/dimensions	0.126" long x 0.098" wide (3.20mm x 2.50mm)
Height - Installation (maximum)	0.032"（0.80mm）
Current - Power (disabled) (maximum)	4.1mA

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SiT8918B

High Temperature Oscillator

The Smart Timing Choice

Features



Applications



Frequencies between 1 MHz and 110 MHz accurate to 6 decimal

places

Operating temperature from -40°C to 125°C. For -55°C option, refer

SiT8920

and

SiT8921

Supply voltage of 1.8V or 2.5V to 3.3V

Excellent total frequency stability as low as ±20 ppm

Low power consumption of 3.5 mA typical at 1.8V

LVCMOS/LVTTL compatible output

Industry-standard packages: 2.0 x 1.6, 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2,

7.0 x 5.0 mm x mm

Instant samples with

Time Machine II

and

field programmable

oscillators

RoHS and REACH compliant, Pb-free, Halogen-free and

Antimony-free

For AEC-Q100 oscillators, refer to

SiT8924

and

SiT8925

Industrial, medical, non AEC-Q100 automotive, avionics and

other high temperature applications

Industrial sensors, PLC, motor servo, outdoor networking

equipment, medical video cam, asset tracking systems, etc.

Electrical Specifications

Table 1. Electrical Characteristics

All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise stated. Typical values

are at 25°C and nominal supply voltage.

Parameters

Output Frequency Range

Symbol

Min.

Typ.

–

Max.

110

Unit

MHz

Condition

Refer to

Table 13

for the exact list of supported frequencies

list of supported frequencies

Inclusive of Initial tolerance at 25°C, 1st year aging at 25°C, and

variations over operating temperature, rated power supply

voltage and load (15 pF ± 10%).

Frequency Range

Frequency Stability and Aging

Frequency Stability

F_stab

-20

-25

-30

-50

Operating Temperature Range

(ambient)

T_use

-40

Vdd

1.62

2.25

2.52

2.7

2.97

2.25

Current Consumption

Idd

–

OE Disable Current

Standby Current

I_od

I_std

–

Duty Cycle

Rise/Fall Time

Tr, Tf

–

Output High Voltage

VOH

90%

–

1.8

2.5

2.8

3.0

3.3

–

3.8

3.6

3.5

–

2.6

1.4

0.6

–

1.0

1.3

1.0

–

+20

+25

+30

+50

+105

+125

1.98

2.75

3.08

3.3

3.63

4.7

4.5

4.3

8.5

5.5

4.0

2.0

2.5

–

ppm

°C

A

Vdd

No load condition, f = 20 MHz, Vdd = 2.8V, 3.0V or 3.3V

No load condition, f = 20 MHz, Vdd = 2.5V

No load condition, f = 20 MHz, Vdd = 1.8V

Vdd = 2.5V to 3.3V, OE = Low, Output in high Z state.

Vdd = 1.8V, OE = Low, Output in high Z state.

Vdd = 2.8V to 3.3V, ST = Low, Output is weakly pulled down

Vdd = 2.5V, ST = Low, Output is weakly pulled down

Vdd = 1.8V, ST = Low, Output is weakly pulled down

All Vdds

Vdd = 2.5V, 2.8V, 3.0V or 3.3V, 20% - 80%

Vdd =1.8V, 20% - 80%

Vdd = 2.25V - 3.63V, 20% - 80%

IOH = -4 mA (Vdd = 3.0V or 3.3V)

IOH = -3 mA (Vdd = 2.8V or 2.5V)

IOH = -2 mA (Vdd = 1.8V)

IOL = 4 mA (Vdd = 3.0V or 3.3V)

IOL = 3 mA (Vdd = 2.8V or 2.5V)

IOL = 2 mA (Vdd = 1.8V)

(408) 328-4400

www.sitime.com

Revised June 18, 2015

Extended Industrial

Automotive

Operating Temperature Range

Supply Voltage and Current Consumption

Supply Voltage

LVCMOS Output Characteristics

Output Low Voltage

VOL

–

10%

Vdd

SiTime Corporation

Rev. 1.01

990 Almanor Avenue, Sunnyvale, CA 94085

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