Datasheet > 090-02984-007

090-02984-007

更新时间： 2024-01-04 04:31:51

品牌	Logo	应用领域
美国微芯 - MICROCHIP		电信电信集成电路
页数	文件大小	规格书
3页	904K
描述
Telecom Circuit

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技术参数
数据手册

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090-02984-007 技术参数

生命周期：	Active	包装说明：	, DIE OR CHIP
Reach Compliance Code：	compliant	风险等级：	5.69
JESD-30 代码：	R-XDMA-P9	长度：	40.64 mm
功能数量：	1	端子数量：	9
最高工作温度：	70 °C	最低工作温度：	-10 °C
封装主体材料：	UNSPECIFIED	封装等效代码：	DIE OR CHIP
封装形状：	RECTANGULAR	封装形式：	MICROELECTRONIC ASSEMBLY
座面最大高度：	11.43 mm	标称供电电压：	3.3 V
表面贴装：	NO	电信集成电路类型：	TELECOM CIRCUIT
温度等级：	COMMERCIAL	端子形式：	PIN/PEG
端子位置：	DUAL	宽度：	35.306 mm
Base Number Matches：	1

090-02984-007 数据手册

Frequency and Timing

SA.45s Space CSAC

Chip-Scale Atomic Clock

Features

•

Power consumption <120 mW

Less than 17 cc volume,

The Microchip SA.45s Commercial

Space Chip-Scale Atomic Clock's

(CSAC) potential for low size, weight,

and power (SWaP), and high timing

performance at relatively low cost

makes it very attractive for Low Earth

Orbit (LEO) applications. In addition to

being a stand-alone atomic clock with a

10 MHz output, the CSAC also has a

1PPS output and can be disciplined with

a 1PPS input. The Space CSAC retains

this functionality and is a timing module

that can be disciplined with a GPS-

derived 1PPS input.

The SA.45s provides 10 MHz and 1PPS

outputs at standard CMOS levels,

with short-term stability (Allan Deviation)

of 3.0 × 10^–10at TAU = 1 sec, typical

long-term aging of <9 × 10^–10/month,

and maximum frequency change of

±5 × 10^–10over an operating temperature

range of –10 °C to 70 °C.

1.6" × 1.39" × 0.45"

•

Radiation-tolerant: 20 krad

SEL, SEU tested to 64 MeV-cm²/mg

(contact factory for details)

10 MHz CMOS-compatible output

1PPS output and 1PPS input for

synchronization

•

RS-232 interface for monitoring and

control

Short-term stability (Allan Deviation) of

3.0 × 10^–10at TAU = 1 sec

A standard CMOS-level RS-232 serial

interface is built into the SA.45s. This

is used to control and calibrate the unit

and to provide a comprehensive set of

status monitors. The interface is also

used to set and read the CSAC’s internal

time-of-day clock.

Applications

•

Satellite timing and frequency control

Satellite clock reference

Assured Position, Navigation and

Timing (PNT)

•

Atomic clock accuracy

Satellite cross-linking

www.microchip.com

12 3

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