Datasheet > H1137V28

H1137V28

更新时间： 2024-02-07 23:01:59

品牌	Logo	应用领域
EMMICRO		手表
页数	文件大小	规格书
6页	166K
描述
CMOS circuit for Analog Quartz Watches

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技术参数
数据手册

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H1137V28 技术参数

生命周期：	Contact Manufacturer	包装说明：	DIE,
Reach Compliance Code：	unknown	风险等级：	5.56
警报：	NO	电池电量耗尽指示：	NO
商用集成电路类型：	STEPPING MOTOR WATCH	显示模式：	ANALOG
频率微调：	NO	JESD-30 代码：	X-XUUC-N9
端子数量：	9	最高工作温度：	60 °C
最低工作温度：	-10 °C	标称振荡器频率：	32.768 KHZ
封装主体材料：	UNSPECIFIED	封装代码：	DIE
封装形状：	UNSPECIFIED	封装形式：	UNCASED CHIP
认证状态：	Not Qualified	最大压摆率：	0.00035 mA
表面贴装：	YES	温度等级：	COMMERCIAL
端子形式：	NO LEAD	端子位置：	UPPER
Base Number Matches：	1

H1137V28 数据手册

EM MICROELECTRONIC - MARIN SA

H1137

CMOS circuit for Analog Quartz Watches

Description

Features

The H1137 is a low power 32kHz analog watch chip de-

signed to drive a stepping motor. Motor pulse width is

programmable from 0.9765 to 14.65 milliseconds in steps

of 0.9765 milliseconds. Motor pulse period is program-

mable from 2 x 1 to 2 x 60 seconds in steps of 1 second.

Motor pulse period is also programmable from 2 x 0.25 to

2 x 15.75 seconds in steps of 0.25 seconds. Input and

output capacitors are integrated on the chip. Their values

are metal mask selectable. The selection of width, period

and capacitance are metal options and do not require

additional bonds.

32Hz quartz oscillator

Operating voltage range – 1.2V to –1.8V

High oscillator stability

Integrated capacitors, mask selectable

Mask options for pad designation, motor period and

motor pulse width

Shorted motor coil between motor pulses

Fast motor test function

ESD protected terminals

512Hz output on TEST pad for quartz frequency

measurement

Fully debounced TEST input and RESET input

Application

Analog watches

Functional Diagram

Pin Assignment

CROWN

V_N

RESET

MOT₁

V_P

H1137

V_P

(Stepping Motor)

C_TR

H1137

OSC_IN

MOT₂

V_P

Pad

V_N

V_P

Function

Pad location

Negative supply voltage

Positive supply voltage

Oscillator input

OSC_IN

V_P

OSC_OUT

OSC_OUTOscillator output

MOT₁

MOT₂

Motor drive output 1

Motor drive output 2

Operating range of Trimmer Capacitance:

3pF ≤ C_TR≤ 30 pF

RESET Reset input

TEST Test input/output

2 or 8

2 or 8 or 10

Fig. 2

Fig. 1

www.emmicroelectronic.com

12 3 4 5 6

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