DS76KHZ/BGA

DS76KHZ/BGA Datasheet

DS76KHz kHz TCXO

Part	Datasheet
DS76KHZ/BGA	DS76KHZ/BGA (pdf)

Related Parts	Information
DS76KHZN/BGA	DS76KHZN/BGA

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DS76KHz kHz TCXO Accurate to ppm -40°C to +85°C Accurate to ±2 ppm 0°C to 40°C Battery back up for continuous output VBAT operating voltage to volts with VCC grounded VCC operating voltage to volts Operating temperature range: COM 0°C to 70°C IND -40°C to +85°C No calibration required Low power consumption Surface mountable VCC VBAT 76KHz GND: C2, C3, D2, D3 A4, A5, B4, B5 C4, C5, D4, D5 All Remaining Balls PIN ASSIGNMENT 2 3 4 5 6 7 8 9 DS76KHz 36-Pin SMD TOP VIEW The DS76KHz is a temperature-compensated crystal oscillator TCXO with an output frequency of kHz. This device is available in commercial and industrial temperature versions, DS76KHz and DS76KHz-N respectively. The DS76KHz requires four pins for operation VCC, GND, VBAT and 76KHz OUT. See Figures 1, 2 and 3 for connection schemes. Power is applied via VCC and GND, while VBAT is used to maintain the 76KHz output in the absence of power. The output is accurate to ppm from -40°C to +85°C and ±2 ppm from 0°C to 40°C. The DS76KHz is packaged in a small 36-pin SMD, utilizing Ball Grid Array BGA technology, with dimensions inches wide, inches long, and inches high. The recommended land pattern layout is shown on page 1 of 5 050599 DELTA FREQUENCY vs TEMPERATURE DS76KHz POWER SUPPLY CONNECTIONS Figure Figure Figure shows how the DS76KHz should be connected when using two power supplies. VCC should be between and volts while VBAT should be between and volts. Figure shows how the DS76KHz can be used when only a single supply is available. VCC should be grounded and VBAT should then be held between and volts. The VBAT pin should be connected directly to a battery using no external components. Figure illustrates how the DS76KHz can be used in a single supply system. DS76KHz CONNECTIONS Figure 2 of 5 ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground -3.0V to +7.0V Operating Temperature 0°C to 70°C - Commercial -40°C to +85°C - Industrial Storage Temperature -40°C to +85°C Soldering Temperature +260°C for 10 seconds 2 times max. DS76KHz ∗ This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. The Dallas Semiconductor DS76KHz is built to the highest quality standards and manufactured for long term reliability. All Dallas Semiconductor devices are made using the same quality materials and manufacturing methods. However, the DS76KHz is not exposed to environmental stresses, such as burn-in, that some industrial applications require. For specific reliability information on this product, please contact the factory in Dallas at 972 RECOMMENDED DC OPERATING CONDITIONS PARAMETER SYMBOL MIN Power Supply Voltage Battery Voltage VBAT -40°C to +85°C

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DS76KHz kHz TCXO

Accurate to ppm -40°C to +85°C Accurate to ±2 ppm 0°C to 40°C Battery back up for continuous output VBAT operating voltage to volts with VCC grounded VCC operating voltage to volts Operating temperature range:

COM 0°C to 70°C IND -40°C to +85°C No calibration required Low power consumption Surface mountable

VCC VBAT 76KHz GND:

C2, C3, D2, D3 A4, A5, B4, B5 C4, C5, D4, D5 All Remaining Balls

PIN ASSIGNMENT
2 3 4 5 6 7 8 9

DS76KHz 36-Pin SMD TOP VIEW

The DS76KHz is a temperature-compensated crystal oscillator TCXO with an output frequency of kHz. This device is available in commercial and industrial temperature versions, DS76KHz and DS76KHz-N respectively.

The DS76KHz requires four pins for operation VCC, GND, VBAT and 76KHz OUT. See Figures 1, 2 and 3 for connection schemes. Power is applied via VCC and GND, while VBAT is used to maintain the 76KHz output in the absence of power. The output is accurate to ppm from -40°C to +85°C and ±2 ppm from 0°C to 40°C.

The DS76KHz is packaged in a small 36-pin SMD, utilizing Ball Grid Array BGA technology, with dimensions inches wide, inches long, and inches high.

The recommended land pattern layout is shown on page
1 of 5
050599

DELTA FREQUENCY vs TEMPERATURE

DS76KHz

POWER SUPPLY CONNECTIONS

Figure

Figure

Figure shows how the DS76KHz should be connected when using two power supplies. VCC should be between and volts while VBAT should be between and volts. Figure shows how the DS76KHz can be used when only a single supply is available. VCC should be grounded and VBAT should then be held between and volts. The VBAT pin should be connected directly to a battery using no external components. Figure illustrates how the DS76KHz can be used in a single supply system.

DS76KHz CONNECTIONS

Figure
2 of 5

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground -3.0V to +7.0V

Operating Temperature
0°C to 70°C - Commercial
-40°C to +85°C - Industrial

Storage Temperature
-40°C to +85°C

Soldering Temperature
+260°C for 10 seconds 2 times max.

DS76KHz
∗ This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. The Dallas Semiconductor DS76KHz is built to the highest quality standards and manufactured for long term reliability.

All Dallas Semiconductor devices are made using the same quality materials and manufacturing methods. However, the DS76KHz is not exposed to environmental stresses, such as burn-in, that some industrial applications require. For specific reliability information on this product, please contact the factory in Dallas at 972

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL MIN

Power Supply Voltage Battery Voltage

VBAT
-40°C to +85°C

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Datasheet ID: DS76KHZ/BGA 647192